Datasets:
nakashi104
/
sudoku-1million

Dataset card Data Studio Files Community
1
id
int64
0
1,000k
quizzes
stringlengths
81
81
solutions
stringlengths
81
81
method
stringclasses
2 values
steps
sequencelengths
44
52
1,300
790020003030010860001047200600170008509400710080500039000000650054603000000700002
795826143432915867861347295643179528529438716187562439378291654254683971916754382
backtracking
[ "R6C5=1", "R8C1=1", "R1C0=4", "R2C1=6", "R4C8=6", "R7C4=8", "R8C6=3", "R7C7=7", "R1C2=2", "R2C3=3", "R1C8=7", "R6C1=7", "R4C1=2", "R6C8=4", "R0C3=8", "R5C2=7", "R7C0=2", "R2C0=8", "R3C2=3", "R8C2=6", "R3C6=5", "R8C5=4", "R2C8=5", "R5C4=6", "R4C4=3", "R0C7=4", "R7C8=1", "R5C6=4", "R6C0=3", "R8C7=8", "R3C1=4", "R2C7=9", "R0C6=1", "R6C4=9", "R6C3=2", "R3C5=9", "R1C3=9", "R8C4=5", "R1C5=5", "R3C7=2", "R6C2=8", "R5C0=1", "R0C2=5", "R5C5=2", "R7C6=9", "R8C0=9", "R0C5=6", "R4C5=8" ]
1,301
002006075508040100740950306003019700400008010006000029910073600035001200800400000
392186475568347192741952386283519764479628513156734829914273658635891247827465931
constraint_programming
[ "R3C8=4", "R2C7=8", "R2C5=2", "R7C8=7", "R5C4=3", "R0C0=3", "R0C3=1", "R1C5=7", "R8C8=1", "R1C7=9", "R8C5=5", "R8C4=6", "R6C2=4", "R7C0=6", "R0C6=4", "R6C8=8", "R1C3=3", "R3C1=8", "R1C8=2", "R5C6=8", "R1C1=6", "R7C3=8", "R0C4=8", "R5C1=5", "R4C6=5", "R6C7=5", "R7C4=9", "R4C2=9", "R3C3=5", "R4C8=3", "R8C6=9", "R5C5=4", "R5C0=1", "R8C2=7", "R3C0=2", "R5C3=7", "R3C7=6", "R4C4=2", "R0C1=9", "R8C7=3", "R6C3=2", "R4C3=6", "R7C7=4", "R8C1=2", "R2C2=1", "R4C1=7" ]
1,302
708520009000070001920043600030064710000350860540000000009008030600700092015200400
768521349453679281921843657832964715197352864546187923279418536684735192315296478
backtracking
[ "R4C1=9", "R8C8=8", "R1C2=3", "R3C8=5", "R6C8=6", "R7C2=4", "R5C8=3", "R0C5=1", "R5C4=8", "R6C1=7", "R0C1=6", "R2C7=5", "R7C5=5", "R8C4=9", "R8C7=7", "R6C3=4", "R2C8=7", "R5C7=2", "R8C0=3", "R7C1=8", "R3C0=8", "R8C5=6", "R4C2=7", "R7C4=3", "R5C6=9", "R3C2=2", "R7C6=1", "R1C7=8", "R1C3=6", "R4C0=1", "R3C3=9", "R5C2=6", "R5C5=7", "R1C1=5", "R2C2=1", "R2C3=8", "R6C0=2", "R1C0=4", "R6C4=1", "R4C5=2", "R6C6=5", "R1C5=9", "R0C7=4", "R0C6=3", "R1C6=2", "R4C8=4", "R5C3=1" ]
1,303
001287904098600030204000001807400060936000005100002070000095702000310500450000800
361287954598641237274539681827453169936178425145962378613895742782314596459726813
constraint_programming
[ "R2C3=5", "R4C5=8", "R7C5=4", "R0C7=5", "R8C8=3", "R2C4=3", "R4C7=2", "R7C0=7", "R2C5=9", "R8C4=2", "R1C6=2", "R7C7=9", "R1C8=7", "R5C6=3", "R1C4=4", "R3C8=9", "R3C5=3", "R6C3=8", "R5C1=4", "R4C3=1", "R7C2=2", "R0C1=6", "R6C0=6", "R2C1=7", "R6C1=1", "R3C4=5", "R4C6=4", "R2C7=8", "R8C2=9", "R5C8=8", "R6C2=3", "R5C4=6", "R1C5=1", "R6C7=4", "R8C3=7", "R8C5=6", "R4C4=7", "R3C1=2", "R1C0=5", "R7C8=6", "R0C0=3", "R5C2=5", "R3C6=1", "R8C7=1", "R5C3=9", "R7C1=8", "R2C6=6" ]
1,304
200005061008096004307408000000001070030000925006320400009073002120900000400000506
294735861518296734367418259942851673831647925756329418689573142125964387473182596
backtracking
[ "R0C3=7", "R3C1=4", "R7C4=6", "R4C3=6", "R5C1=5", "R2C1=6", "R3C4=5", "R5C7=1", "R0C6=8", "R2C7=5", "R0C1=9", "R6C3=5", "R8C5=2", "R3C2=2", "R3C0=9", "R4C2=1", "R7C6=3", "R4C0=8", "R7C8=7", "R6C7=4", "R2C6=2", "R8C4=8", "R1C1=1", "R2C8=9", "R6C6=1", "R8C3=1", "R8C7=9", "R8C2=3", "R6C0=6", "R3C3=8", "R3C6=6", "R8C1=7", "R1C7=3", "R4C4=4", "R0C4=3", "R7C5=4", "R1C3=2", "R0C2=4", "R7C2=5", "R3C8=3", "R7C7=8", "R5C8=8", "R1C0=5", "R4C5=7", "R5C0=7", "R2C4=1", "R6C1=8", "R1C6=7", "R5C5=9" ]
1,305
089510070607000020030080000390006005100734800200008601900000104040263007056400000
489512376617349528532687419398126745165734892274958631923875164841263957756491283
backtracking
[ "R8C0=7", "R1C5=9", "R2C5=7", "R7C0=8", "R7C7=5", "R0C8=6", "R3C6=7", "R8C8=3", "R5C2=4", "R2C0=5", "R2C6=4", "R3C2=8", "R5C1=7", "R6C4=7", "R0C6=3", "R5C3=9", "R2C2=2", "R3C4=2", "R6C5=5", "R6C3=8", "R5C7=3", "R0C0=4", "R3C7=4", "R8C6=2", "R2C8=9", "R6C2=3", "R5C4=5", "R7C6=9", "R1C8=8", "R7C2=1", "R8C5=1", "R8C7=8", "R6C7=6", "R1C3=3", "R4C1=6", "R8C4=9", "R3C3=1", "R2C7=1", "R1C4=4", "R4C8=2", "R1C1=1", "R4C2=5", "R2C3=6", "R0C5=2", "R6C1=2", "R1C6=5", "R4C7=9" ]
1,306
750010406009000300080062000000006970530090810071004023600820500200050709000001048
752318496169745382483962157824136975536297814971584623647829531218453769395671248
backtracking
[ "R3C4=3", "R8C0=3", "R7C2=8", "R4C5=7", "R8C4=7", "R7C3=4", "R8C1=9", "R5C6=6", "R0C3=3", "R3C0=8", "R5C3=5", "R3C8=5", "R3C2=4", "R1C8=2", "R0C7=9", "R6C5=9", "R1C7=8", "R1C3=7", "R0C5=8", "R7C5=3", "R5C0=9", "R0C2=2", "R4C8=4", "R5C4=8", "R4C3=2", "R8C3=6", "R6C2=7", "R7C1=1", "R3C3=1", "R1C5=5", "R2C8=7", "R2C6=1", "R6C8=1", "R2C0=4", "R8C6=2", "R2C7=5", "R2C3=9", "R2C2=3", "R1C1=6", "R3C1=2", "R7C7=6", "R1C4=4", "R6C7=3", "R8C2=5", "R1C0=1", "R4C2=6", "R6C1=4" ]
1,307
005008600020490015730060400040005070870000001006240090090372000084900100000010053
415728639628493715739561482943185276872639541156247398591372864384956127267814953
constraint_programming
[ "R5C0=1", "R2C7=8", "R5C8=8", "R8C3=8", "R8C6=9", "R2C5=1", "R4C3=6", "R4C4=3", "R4C5=9", "R1C2=8", "R3C6=2", "R4C7=4", "R0C0=4", "R8C0=2", "R0C1=1", "R7C7=2", "R6C6=8", "R2C2=9", "R4C6=5", "R0C7=3", "R3C0=9", "R3C8=6", "R5C6=3", "R0C8=9", "R8C5=4", "R5C1=5", "R4C2=2", "R3C2=3", "R1C5=3", "R8C2=7", "R7C4=5", "R2C8=2", "R0C3=7", "R6C8=4", "R1C6=7", "R7C0=3", "R8C1=6", "R5C5=7", "R7C8=7", "R7C5=6", "R6C7=6", "R6C2=1", "R3C4=8", "R3C3=1", "R0C4=2", "R1C0=6", "R6C0=5", "R2C3=5" ]
1,308
000080560053010284270400009001035000004060720700200008010609030900800401307000600
149382567653917284278456319821735946594168723736294158412679835965823471387541692
backtracking
[ "R5C2=6", "R7C1=6", "R0C3=3", "R7C4=2", "R7C2=5", "R3C6=9", "R3C8=6", "R1C3=9", "R6C8=5", "R3C7=4", "R2C4=5", "R0C8=7", "R6C4=7", "R0C1=4", "R0C0=1", "R6C6=8", "R1C0=6", "R0C5=2", "R2C5=6", "R4C3=1", "R7C7=7", "R8C1=8", "R3C0=8", "R3C3=7", "R5C5=4", "R6C0=4", "R8C7=9", "R4C8=3", "R2C2=8", "R6C2=2", "R5C6=1", "R8C8=2", "R5C4=9", "R1C5=7", "R8C4=4", "R4C5=8", "R3C1=2", "R2C7=1", "R0C2=9", "R5C1=3", "R5C7=5", "R2C6=3", "R7C5=3", "R8C3=5", "R4C0=5", "R4C1=9", "R8C5=1" ]
1,309
090050106605900008470012000900481002040360875030000000063800050000007004100500230
392758146615943728478612593957481362241369875836275419763824951529137684184596237
backtracking
[ "R7C0=5", "R7C3=1", "R5C7=1", "R0C3=7", "R5C3=2", "R3C1=5", "R4C0=2", "R0C7=4", "R8C2=4", "R8C1=8", "R3C2=7", "R7C2=9", "R5C2=6", "R1C5=3", "R1C4=4", "R2C2=8", "R0C5=8", "R7C6=6", "R1C7=2", "R6C5=4", "R5C5=5", "R5C6=4", "R4C2=1", "R2C6=5", "R7C1=2", "R7C7=8", "R8C8=7", "R0C0=3", "R2C7=9", "R5C4=7", "R4C5=9", "R2C3=6", "R6C8=1", "R5C0=8", "R8C5=6", "R6C6=9", "R3C7=6", "R6C4=2", "R3C6=3", "R7C4=3", "R6C0=7", "R1C1=1", "R2C8=3", "R0C2=2", "R1C6=7", "R8C4=9", "R5C8=9" ]
1,310
070903020000000610048700005800000503006042009700805001403090080000026000569410700
671953428935284617248761395812679543356142879794835261423597186187326954569418732
constraint_programming
[ "R5C2=4", "R4C7=7", "R6C6=1", "R1C1=3", "R2C7=9", "R2C4=6", "R8C7=3", "R3C4=7", "R7C6=9", "R2C0=2", "R2C5=1", "R4C0=3", "R5C6=2", "R0C6=4", "R7C0=1", "R3C1=1", "R4C3=1", "R3C2=2", "R1C2=5", "R5C7=6", "R4C1=5", "R2C6=3", "R5C4=3", "R8C5=8", "R1C5=4", "R6C3=5", "R5C1=9", "R1C4=8", "R6C5=7", "R0C2=1", "R3C3=6", "R7C8=4", "R1C8=7", "R6C1=2", "R7C2=7", "R1C3=2", "R7C7=5", "R1C0=9", "R7C3=3", "R3C5=9", "R4C6=8", "R0C4=5", "R0C8=8", "R0C0=6", "R8C8=2", "R7C1=8", "R6C8=6", "R3C7=4" ]
1,311
051200040604003900038070005400065800090000604200901050103002070070500061000008009
751289346624153987938476125417365892395827614286941753143692578879534261562718439
constraint_programming
[ "R5C1=8", "R1C3=1", "R6C8=8", "R1C4=5", "R8C0=5", "R0C4=8", "R0C5=9", "R4C0=3", "R8C2=2", "R6C3=6", "R2C6=1", "R1C7=8", "R8C7=3", "R4C4=2", "R4C7=1", "R7C5=4", "R2C0=9", "R8C4=1", "R7C4=3", "R6C6=5", "R5C4=4", "R8C1=6", "R2C5=6", "R5C6=7", "R3C1=1", "R0C0=7", "R5C8=3", "R3C7=9", "R3C2=7", "R6C1=4", "R1C1=2", "R6C4=9", "R3C8=2", "R7C0=8", "R4C5=7", "R7C2=9", "R8C3=7", "R4C2=5", "R8C6=4", "R0C6=3", "R3C3=3", "R7C6=2", "R5C2=6", "R1C8=7", "R0C8=6", "R2C7=2", "R2C3=4", "R4C3=8" ]
1,312
124807300800010600097004200500380910000000560300940070930102000040000028060050700
124867395853219647697534281572386914489721563316945872938172456745693128261458739
backtracking
[ "R5C6=8", "R4C0=4", "R0C4=6", "R1C7=4", "R3C2=2", "R6C6=4", "R7C0=7", "R5C5=5", "R6C4=7", "R2C4=3", "R2C7=8", "R5C2=6", "R7C6=1", "R2C0=6", "R5C8=2", "R1C2=3", "R4C4=2", "R8C5=8", "R8C0=2", "R2C8=1", "R4C8=3", "R4C3=7", "R3C8=4", "R4C2=9", "R8C8=9", "R2C3=5", "R7C3=6", "R4C5=1", "R6C8=6", "R1C5=9", "R0C7=9", "R3C1=7", "R7C5=3", "R6C7=5", "R4C1=8", "R1C3=2", "R7C2=5", "R0C8=5", "R1C8=7", "R7C4=9", "R5C1=1", "R3C5=6", "R8C3=4", "R1C1=5", "R8C2=1", "R8C7=3", "R6C2=8" ]
1,313
500008070000300164900627050083490700000010640260705900000000312407900000015800000
536148279872359164941627853183496725759213648264785931698574312427931586315862497
backtracking
[ "R0C6=2", "R8C7=9", "R4C0=7", "R7C7=8", "R8C0=3", "R3C7=2", "R6C5=4", "R7C8=6", "R6C3=5", "R5C2=4", "R2C8=3", "R4C8=8", "R0C8=9", "R6C2=8", "R6C4=7", "R2C2=1", "R1C0=8", "R6C1=9", "R0C3=1", "R3C0=1", "R5C7=3", "R0C1=3", "R4C2=9", "R4C1=5", "R7C1=2", "R1C5=9", "R8C5=2", "R2C1=4", "R0C2=6", "R8C8=7", "R6C0=6", "R4C5=3", "R1C1=7", "R1C4=5", "R3C5=6", "R7C4=3", "R4C3=2", "R7C6=5", "R0C4=4", "R7C5=1", "R5C4=8", "R1C2=2", "R3C8=5", "R8C4=6", "R2C6=8", "R5C8=1", "R8C6=4" ]
1,314
790000140321004070050200308500080013003400756100009000070500020000068000004170069
798635142321894675456217398542786913983421756167359284679543821215968437834172569
constraint_programming
[ "R3C6=9", "R6C6=8", "R7C8=7", "R5C7=8", "R5C3=3", "R3C3=7", "R5C1=6", "R8C1=3", "R7C0=2", "R3C1=4", "R7C3=9", "R5C2=7", "R8C5=2", "R0C3=6", "R6C8=1", "R5C8=4", "R4C1=8", "R0C4=3", "R6C0=6", "R7C1=1", "R5C6=2", "R8C6=5", "R7C6=4", "R8C0=8", "R6C5=3", "R2C5=7", "R3C2=2", "R2C0=4", "R7C2=5", "R3C5=6", "R4C4=2", "R4C5=1", "R2C2=6", "R2C4=1", "R7C7=3", "R1C6=6", "R6C4=4", "R5C4=5", "R4C0=9", "R0C8=2", "R1C8=5", "R6C2=9", "R2C7=9", "R0C2=8", "R0C5=5", "R1C3=8", "R1C4=9" ]
1,315
000204691000060802005018003049630000060700300801000907053070040007192000090500028
378254691914367852625918473749631285562789314831425967253876149487192536196543728
backtracking
[ "R3C8=5", "R2C7=7", "R0C2=8", "R4C0=5", "R1C5=7", "R6C6=1", "R5C3=4", "R5C1=3", "R3C7=8", "R2C6=4", "R0C0=3", "R2C3=9", "R6C5=6", "R6C3=8", "R4C2=2", "R1C7=5", "R5C5=5", "R8C4=4", "R1C2=4", "R7C0=4", "R1C1=1", "R1C3=3", "R1C0=9", "R6C8=9", "R7C1=8", "R3C5=1", "R8C6=7", "R2C0=6", "R3C0=7", "R4C7=1", "R4C8=4", "R3C6=2", "R6C0=2", "R7C7=3", "R4C4=8", "R7C6=5", "R8C0=1", "R5C4=2", "R4C5=9", "R0C1=7", "R5C7=6", "R0C4=5", "R8C2=6", "R8C5=3", "R7C8=6", "R2C1=2" ]
1,316
060307080000005024701004000007080630009030000580009072234000000900018000006200905
462397581398165724751824396147582639629731458583649172234956817975418263816273945
backtracking
[ "R7C6=2", "R2C4=2", "R0C0=4", "R7C7=6", "R0C8=1", "R2C6=3", "R4C1=2", "R8C4=7", "R8C7=4", "R1C2=8", "R6C8=7", "R4C0=6", "R5C6=1", "R8C0=8", "R6C7=1", "R7C3=4", "R1C3=1", "R4C6=4", "R1C0=3", "R2C1=5", "R8C5=3", "R5C4=4", "R7C1=7", "R3C3=5", "R4C5=1", "R3C0=1", "R4C3=7", "R0C4=9", "R4C7=5", "R1C4=6", "R3C5=2", "R3C8=9", "R6C6=8", "R7C2=5", "R3C1=4", "R2C3=8", "R7C8=3", "R5C2=3", "R4C8=8", "R8C1=1", "R2C8=6", "R6C4=5", "R6C5=6", "R6C3=9", "R0C2=2", "R5C3=6", "R2C7=9", "R1C1=9", "R0C6=5", "R1C6=7" ]
1,317
000100075001386090002040100000795003805002061300008040090064000004001780600000059
483129675751386294962547138146795823875432961329618547597864312234951786618273459
backtracking
[ "R5C6=5", "R1C0=7", "R7C4=5", "R5C8=7", "R5C1=2", "R3C0=1", "R3C7=2", "R8C5=3", "R3C6=8", "R2C3=5", "R8C3=2", "R4C3=4", "R3C1=4", "R8C2=8", "R8C1=1", "R0C1=8", "R1C1=5", "R6C8=2", "R7C1=3", "R6C7=1", "R2C8=8", "R1C6=2", "R5C4=1", "R1C8=4", "R7C0=2", "R2C7=3", "R6C0=5", "R3C2=6", "R0C4=2", "R8C6=4", "R4C1=7", "R2C0=9", "R6C3=8", "R0C5=9", "R6C6=3", "R5C2=9", "R0C2=3", "R7C8=6", "R0C0=4", "R0C6=6", "R4C6=9", "R8C4=7", "R7C3=9", "R2C5=7", "R2C1=6", "R4C4=3", "R5C3=6", "R6C2=7" ]
1,318
005030071009005800240100600000204000700006053610800490300021040070008500508600009
865432971139765824247189635953274186784916253612853497396521748471398562528647319
constraint_programming
[ "R2C7=3", "R7C4=9", "R3C6=1", "R1C4=6", "R0C0=8", "R4C1=8", "R0C6=9", "R0C5=2", "R7C3=3", "R7C8=2", "R0C1=6", "R8C4=4", "R5C8=7", "R5C4=5", "R4C2=4", "R4C6=2", "R6C1=9", "R4C4=1", "R2C4=8", "R7C0=4", "R3C2=3", "R2C8=5", "R3C4=7", "R1C0=1", "R4C3=9", "R6C2=6", "R5C2=2", "R1C1=3", "R8C1=2", "R6C3=5", "R3C1=5", "R6C6=7", "R1C8=4", "R3C7=8", "R7C2=1", "R1C3=7", "R2C2=7", "R2C5=9", "R6C8=8", "R8C5=7", "R3C0=9", "R8C6=3", "R1C7=2", "R5C5=3", "R7C7=6", "R8C7=1", "R3C8=6", "R0C3=4" ]
1,319
000020100014030059500840070002100500067500800000004061970600003083000702041380090
736925148814736259529841376492168537167593824358274961975612483683459712241387695
backtracking
[ "R2C6=3", "R4C7=2", "R4C5=3", "R3C7=3", "R3C8=7", "R1C3=7", "R6C7=8", "R7C3=4", "R2C5=1", "R5C0=3", "R7C4=5", "R5C6=9", "R6C2=5", "R6C4=1", "R6C5=2", "R0C5=5", "R1C6=2", "R0C3=9", "R1C0=8", "R8C8=5", "R7C5=9", "R8C5=7", "R3C5=8", "R0C1=3", "R4C8=4", "R0C2=6", "R7C7=1", "R0C7=4", "R0C0=7", "R3C4=6", "R2C1=2", "R3C0=4", "R1C5=6", "R4C0=1", "R4C4=9", "R2C2=9", "R8C6=6", "R5C2=8", "R5C1=5", "R6C6=4", "R5C3=2", "R0C8=8", "R3C1=9", "R5C4=7", "R2C8=6", "R7C0=6", "R8C0=2" ]
1,320
060005000905086007007310059006400020100097400083002096240060108000009035038720000
364975812915286347827314659796438521152697483483152796249563178671849235538721964
constraint_programming
[ "R0C4=7", "R6C3=5", "R3C0=7", "R2C5=4", "R8C0=5", "R4C7=8", "R2C1=2", "R2C0=8", "R4C8=3", "R0C6=8", "R8C6=9", "R4C3=6", "R6C5=3", "R7C0=6", "R7C4=4", "R3C1=9", "R1C3=2", "R0C8=2", "R3C6=5", "R8C7=6", "R7C2=1", "R6C7=7", "R4C2=2", "R8C8=4", "R3C4=3", "R6C2=9", "R1C7=4", "R5C6=7", "R7C1=7", "R7C3=8", "R1C6=3", "R5C0=4", "R2C6=6", "R5C4=5", "R5C3=1", "R4C1=5", "R1C1=1", "R7C6=2", "R0C2=4", "R3C8=1", "R0C3=9", "R3C5=8", "R0C7=1", "R0C0=3", "R8C5=1" ]
1,321
002080301070006580060910040206730008058092000030600400000400120094005036500001000
942587361371246589865913247216734958458192673739658412683479125194825736527361894
constraint_programming
[ "R8C6=8", "R8C7=9", "R5C8=2", "R5C2=9", "R6C1=8", "R1C8=9", "R2C8=7", "R8C4=6", "R1C4=4", "R6C8=5", "R2C6=2", "R2C0=8", "R0C1=4", "R2C5=3", "R8C3=3", "R5C0=7", "R8C8=4", "R0C5=7", "R3C6=9", "R7C4=2", "R3C7=5", "R0C7=6", "R8C1=2", "R1C0=3", "R3C1=1", "R7C0=1", "R4C8=3", "R8C2=7", "R1C2=1", "R6C2=3", "R4C7=7", "R6C0=6", "R6C4=7", "R4C0=4", "R2C2=5", "R0C0=9", "R5C7=1", "R3C5=4", "R4C6=6", "R4C3=1", "R1C3=2", "R5C5=8", "R7C3=8", "R6C5=9", "R5C4=5", "R7C6=7", "R0C3=5" ]
1,322
000640175030020090005000803620530001000008200700100068003710000840309012570006400
982643175137825694465971823628537941319468257754192368293714586846359712571286439
backtracking
[ "R3C7=4", "R3C2=8", "R4C7=5", "R1C0=1", "R6C8=6", "R1C6=6", "R8C2=1", "R8C7=3", "R6C6=5", "R2C1=6", "R2C3=9", "R0C2=2", "R6C1=9", "R6C0=2", "R4C4=6", "R4C0=3", "R2C4=7", "R4C8=7", "R6C5=4", "R6C7=8", "R8C3=2", "R1C5=5", "R1C2=7", "R1C8=4", "R3C6=9", "R8C4=8", "R7C4=5", "R5C6=3", "R4C3=4", "R7C2=6", "R0C5=3", "R0C0=9", "R5C5=2", "R1C3=8", "R5C2=4", "R4C2=9", "R0C1=8", "R5C1=5", "R2C5=1", "R4C1=1", "R7C6=7", "R3C5=7", "R8C8=9", "R2C0=4", "R2C7=2", "R5C4=9" ]
1,323
010000040003970206009008007020060000907410000040030129300207500506340090001096800
712653948853974216469128357125869473937412685648735129394287561586341792271596834
backtracking
[ "R1C7=1", "R2C7=5", "R0C5=3", "R0C6=9", "R3C8=3", "R3C5=9", "R1C0=8", "R1C5=4", "R0C8=8", "R8C1=7", "R3C0=1", "R0C3=6", "R7C1=8", "R4C1=3", "R6C2=4", "R3C2=5", "R2C4=2", "R2C1=6", "R7C5=1", "R8C0=2", "R2C0=4", "R8C3=5", "R3C3=8", "R4C8=5", "R0C2=2", "R5C0=6", "R7C8=2", "R6C4=8", "R4C5=2", "R2C3=1", "R8C7=3", "R3C7=7", "R7C6=7", "R5C2=8", "R6C1=9", "R4C7=8", "R2C6=3", "R6C8=1", "R1C1=5", "R4C6=6", "R8C8=4", "R0C0=7", "R3C6=4", "R6C7=6", "R0C4=5", "R5C5=5", "R5C3=7" ]
1,324
003904002740006508009870060010420050430010009000005600052008030006100740900000800
863954172741236598529871463618429357435617289297385614152748936386192745974563821
backtracking
[ "R0C4=5", "R7C5=2", "R5C4=8", "R2C0=5", "R7C4=9", "R6C6=9", "R5C0=2", "R4C7=8", "R4C6=2", "R2C6=4", "R2C8=3", "R0C6=1", "R7C8=5", "R4C2=5", "R7C0=3", "R1C2=1", "R3C2=8", "R5C7=1", "R5C3=3", "R0C1=6", "R1C7=9", "R4C3=6", "R6C3=7", "R6C8=6", "R5C8=4", "R8C8=1", "R6C4=4", "R0C0=8", "R1C4=3", "R0C7=7", "R8C4=6", "R5C1=9", "R4C5=7", "R7C1=8", "R2C5=1", "R8C2=4", "R8C7=2", "R1C3=2", "R3C6=3", "R6C0=1", "R3C0=6", "R5C2=7", "R8C5=3", "R8C1=7", "R3C8=7", "R2C1=2", "R3C5=9", "R8C3=5" ]
1,325
000760080023001000805400610034010050000008000700000294200000403006570900091632008
149765382623891745875423619934217856562948137718356294257189463386574921491632578
backtracking
[ "R7C1=8", "R7C0=3", "R2C4=2", "R2C8=9", "R5C4=5", "R4C0=5", "R0C8=2", "R6C1=5", "R1C4=9", "R6C2=7", "R6C7=6", "R5C1=1", "R3C0=9", "R3C6=8", "R3C3=2", "R5C5=6", "R4C1=6", "R8C0=4", "R7C8=1", "R5C3=3", "R1C0=6", "R1C3=8", "R0C6=3", "R4C4=4", "R0C2=9", "R4C6=1", "R1C6=7", "R7C5=4", "R1C7=4", "R6C4=8", "R3C8=6", "R4C2=2", "R2C1=7", "R0C0=1", "R3C5=7", "R6C5=9", "R8C7=7", "R0C1=4", "R2C5=3", "R1C8=5", "R0C5=5", "R4C8=7", "R6C3=1", "R8C6=5", "R7C7=2", "R4C7=3", "R4C3=9", "R5C2=8" ]
1,326
900030000300850001058200670175080020000400300040172000000620004001308059200097008
916734582327856941458219673175983426892465317643172895589621734761348259234597168
constraint_programming
[ "R6C6=7", "R0C2=6", "R1C7=4", "R0C8=2", "R2C8=3", "R8C2=4", "R0C6=5", "R4C5=5", "R1C5=6", "R4C1=9", "R6C7=3", "R3C5=3", "R6C1=8", "R8C3=5", "R4C2=2", "R5C2=3", "R8C7=6", "R5C7=9", "R3C8=6", "R2C0=4", "R4C0=8", "R5C6=8", "R5C0=6", "R7C1=6", "R3C6=4", "R0C1=1", "R0C5=4", "R7C0=7", "R2C4=1", "R7C6=2", "R0C3=7", "R6C5=1", "R1C1=2", "R5C8=5", "R1C2=7", "R4C4=6", "R2C5=9", "R1C6=9", "R3C3=9", "R4C7=1", "R4C8=7", "R6C2=9", "R7C4=4", "R8C6=1", "R8C1=3", "R0C7=8", "R6C0=5" ]
1,327
700900304501376208006200500304500000000000619200780400002030000605004002490150700
728915364541376298936248571314569827857423619269781453182637945675894132493152786
backtracking
[ "R8C7=8", "R7C6=1", "R3C5=9", "R4C2=7", "R2C1=3", "R7C3=8", "R3C8=7", "R5C1=6", "R2C8=1", "R7C1=7", "R5C5=1", "R0C7=6", "R6C6=9", "R7C4=9", "R6C8=5", "R3C4=6", "R2C5=8", "R8C2=3", "R0C4=1", "R4C1=5", "R3C6=8", "R2C7=7", "R0C2=8", "R3C1=1", "R6C0=1", "R6C3=6", "R5C8=3", "R7C7=3", "R4C0=8", "R0C1=2", "R6C1=8", "R5C2=9", "R4C3=4", "R8C8=6", "R2C4=4", "R5C7=5", "R4C4=2", "R6C5=7", "R4C5=3", "R0C5=5", "R8C5=2", "R1C7=9", "R1C1=4", "R6C7=4", "R3C7=2", "R2C0=9" ]
1,328
000000794070620005500430280420090510130008000906004300000060900098051400050003027
362185794874629135519437286427396518135278649986514372743862951298751463651943827
backtracking
[ "R2C8=6", "R6C0=7", "R7C8=3", "R0C4=8", "R6C7=5", "R6C1=4", "R3C2=7", "R1C7=3", "R4C3=2", "R4C7=4", "R5C1=8", "R4C6=6", "R1C0=8", "R3C5=6", "R7C3=7", "R4C4=7", "R8C2=1", "R2C1=1", "R1C2=4", "R4C8=9", "R0C0=3", "R6C3=8", "R5C3=5", "R8C3=9", "R8C0=6", "R6C8=1", "R4C2=5", "R1C5=9", "R6C5=2", "R0C5=5", "R8C6=8", "R8C4=4", "R7C7=6", "R6C2=3", "R5C4=1", "R0C1=6", "R1C6=1", "R3C3=3", "R0C2=2", "R7C0=2", "R3C8=8", "R0C3=1", "R5C7=7", "R2C5=7", "R5C8=2", "R2C2=9" ]
1,329
560080400403012800100900000000675000709000510000130020000023050204700603008406970
562387491493512867187964235821675349739248516645139728976823154254791683318456972
constraint_programming
[ "R3C1=2", "R3C6=3", "R8C8=2", "R3C8=9", "R3C2=1", "R7C7=8", "R7C1=5", "R0C7=9", "R8C4=5", "R7C4=9", "R6C8=4", "R5C8=8", "R5C2=5", "R4C5=8", "R5C0=6", "R0C5=7", "R2C2=7", "R5C6=7", "R0C8=1", "R4C4=4", "R4C8=6", "R2C8=5", "R0C3=3", "R4C1=3", "R5C5=9", "R1C8=7", "R0C2=2", "R6C0=9", "R2C4=6", "R6C6=1", "R3C7=4", "R1C3=5", "R6C1=7", "R1C1=9", "R4C3=2", "R1C7=6", "R7C5=1", "R5C1=4", "R3C0=8", "R6C3=8", "R2C6=2", "R2C5=4", "R8C1=1", "R8C0=3", "R2C7=3", "R6C2=6", "R2C1=8" ]
1,330
001900300090027060006510004008003700540076020300100040080000005010792800670405900
251964387894327561736518294168243759549876123327159648982631475415792836673485912
constraint_programming
[ "R5C6=6", "R7C2=5", "R4C3=8", "R3C7=5", "R8C2=3", "R1C6=5", "R0C1=5", "R1C0=8", "R1C8=1", "R4C8=3", "R5C4=5", "R8C4=8", "R4C6=1", "R6C4=3", "R6C2=2", "R2C1=3", "R3C4=4", "R7C7=3", "R1C3=3", "R0C5=4", "R2C7=9", "R0C0=2", "R6C5=1", "R6C6=4", "R4C2=9", "R0C4=6", "R3C8=9", "R0C7=8", "R8C8=2", "R3C3=2", "R5C1=2", "R5C8=8", "R3C0=1", "R7C0=4", "R2C0=7", "R6C7=7", "R3C1=6", "R2C6=2", "R6C0=9", "R8C7=1", "R6C3=6", "R2C5=8", "R0C8=7", "R5C2=7", "R5C5=9", "R1C2=4", "R7C8=6" ]
1,331
760035800002600509001000020900460005605002010010083000008104600407000098020900073
769235841842617539531849726973461285685792314214583967398174652457326198126958473
constraint_programming
[ "R5C0=2", "R4C4=9", "R0C8=1", "R8C6=4", "R7C4=2", "R2C5=9", "R5C6=9", "R6C1=9", "R1C0=8", "R8C0=1", "R0C3=2", "R3C6=2", "R2C4=4", "R2C6=7", "R8C4=5", "R4C1=8", "R6C0=3", "R5C2=4", "R1C1=4", "R7C3=3", "R3C5=1", "R6C4=7", "R2C0=5", "R6C7=5", "R2C8=6", "R4C6=3", "R2C1=3", "R5C8=7", "R4C3=7", "R5C3=5", "R6C8=2", "R7C5=6", "R1C4=1", "R7C6=1", "R5C7=6", "R8C5=8", "R4C8=4", "R1C5=7", "R3C2=3", "R3C7=8", "R3C1=7", "R8C2=6", "R2C3=8", "R7C1=5", "R1C7=3", "R0C2=9", "R0C7=4" ]
1,332
026800005970010400000763090600291003830005002010004070000030026005000980084000010
126849735973512468458763291647291853839675142512384679791438526365127984284956317
backtracking
[ "R7C4=2", "R8C3=9", "R3C2=7", "R3C1=4", "R4C4=7", "R4C2=9", "R5C0=5", "R6C0=7", "R6C6=5", "R2C6=2", "R5C6=6", "R8C6=3", "R8C8=7", "R7C5=7", "R6C5=8", "R7C8=4", "R0C5=9", "R5C4=8", "R1C3=5", "R7C3=1", "R4C7=4", "R1C8=8", "R8C0=2", "R6C2=1", "R4C3=6", "R2C8=1", "R6C1=9", "R3C6=8", "R5C3=3", "R1C2=3", "R1C7=6", "R8C4=5", "R0C6=7", "R5C8=9", "R6C3=4", "R2C1=5", "R8C5=6", "R3C7=5", "R2C2=8", "R7C0=3", "R0C4=4", "R0C0=1", "R7C1=6", "R0C7=3", "R5C2=2", "R4C6=1", "R2C0=4", "R1C5=2" ]
1,333
700000030001450000968021000000096082012000007000003645300070406400000910029680700
754968231231457869968321574543796182612845397897213645385179426476532918129684753
constraint_programming
[ "R6C7=2", "R8C5=4", "R4C5=5", "R1C6=8", "R0C1=5", "R8C0=1", "R1C0=2", "R1C7=6", "R3C0=5", "R2C8=4", "R4C0=6", "R0C6=2", "R5C3=2", "R5C0=8", "R7C3=5", "R3C3=7", "R1C1=3", "R1C5=7", "R0C3=9", "R4C4=4", "R0C8=1", "R5C2=7", "R2C7=7", "R3C6=1", "R1C8=9", "R8C8=3", "R6C2=5", "R4C7=9", "R3C1=4", "R8C7=5", "R0C5=8", "R7C8=8", "R2C6=5", "R7C5=2", "R0C4=6", "R5C1=9", "R7C1=7", "R4C6=3", "R7C4=3", "R0C2=4", "R7C2=6", "R3C2=3", "R4C3=8", "R6C1=8", "R5C4=1", "R6C3=1", "R6C5=9", "R2C3=3" ]
1,334
000054016001076230090010007560002708009600420000000000008300540070090083034520000
327854916851976234496213857563142798789635421142789365918367542275491683634528179
backtracking
[ "R2C3=2", "R4C0=7", "R7C2=5", "R8C5=8", "R6C0=9", "R1C1=5", "R5C0=1", "R6C5=7", "R7C0=2", "R7C6=6", "R4C8=1", "R6C1=1", "R7C3=4", "R1C8=4", "R5C5=9", "R2C0=4", "R5C8=5", "R3C2=3", "R5C4=8", "R2C5=3", "R5C6=3", "R8C7=7", "R0C0=3", "R8C8=9", "R0C2=7", "R1C3=9", "R5C1=4", "R5C7=6", "R7C5=1", "R3C3=1", "R2C2=6", "R0C6=9", "R6C8=2", "R4C5=5", "R8C6=1", "R3C4=4", "R0C3=8", "R3C7=9", "R4C4=3", "R5C3=7", "R4C1=8", "R0C1=2", "R5C2=2", "R8C0=6", "R6C4=6", "R2C6=8", "R2C7=5", "R1C0=8" ]
1,335
050063070006050941108904300005000820800401006032007000200098104000300092700005000
954163278376852941128974365415639827897421536632587419263798154581346792749215683
backtracking
[ "R6C1=6", "R3C3=6", "R2C1=2", "R2C7=6", "R1C1=7", "R4C1=9", "R8C7=8", "R5C8=9", "R4C4=2", "R7C4=4", "R2C4=7", "R0C0=9", "R4C2=7", "R6C3=7", "R1C0=3", "R1C3=8", "R7C6=7", "R2C8=5", "R8C1=4", "R6C2=3", "R7C2=1", "R5C6=4", "R0C8=8", "R0C2=4", "R3C4=3", "R5C0=6", "R6C7=5", "R3C8=7", "R7C5=6", "R3C1=1", "R7C0=5", "R5C4=8", "R4C6=5", "R1C5=2", "R5C3=5", "R0C3=1", "R5C7=1", "R3C5=9", "R0C6=2", "R8C6=6", "R8C4=1", "R3C0=4", "R8C3=2", "R8C8=3", "R4C7=3", "R7C1=8", "R8C2=9" ]
1,336
010008054300000002090502007102070609650000000004006035009300120480010000500800070
217638954345791862896542317132475689658923741974186235769354128483217596521869473
constraint_programming
[ "R2C0=8", "R4C8=1", "R4C3=9", "R8C1=2", "R7C2=3", "R0C3=6", "R7C6=5", "R1C4=9", "R4C2=8", "R4C4=2", "R1C2=5", "R8C8=3", "R7C8=6", "R4C7=4", "R7C5=7", "R1C6=8", "R6C4=5", "R2C2=6", "R1C3=7", "R3C7=8", "R0C0=2", "R1C1=4", "R5C1=7", "R3C1=3", "R4C5=3", "R4C6=7", "R6C8=8", "R1C5=1", "R5C3=1", "R2C4=4", "R8C4=6", "R5C4=8", "R6C5=4", "R6C0=7", "R6C1=6", "R0C4=3", "R0C6=9", "R5C6=2", "R3C3=4", "R8C6=4", "R7C7=9", "R8C2=1", "R5C0=9", "R8C5=9", "R0C2=7", "R2C7=1", "R7C3=2", "R3C5=5", "R1C7=6", "R2C6=3" ]
1,337
900200003000700100054096708021007600309008400700060930008002301200400050613059000
976281543832745169154396728421937685369528417785164932548672391297413856613859274
constraint_programming
[ "R5C8=2", "R0C2=6", "R4C4=2", "R1C5=5", "R2C7=2", "R3C7=8", "R6C1=4", "R0C6=5", "R2C0=1", "R8C3=8", "R4C8=7", "R6C3=6", "R3C0=4", "R2C3=3", "R7C4=1", "R1C8=9", "R0C5=1", "R6C0=5", "R0C1=7", "R3C4=3", "R7C2=7", "R7C8=6", "R3C3=9", "R0C4=8", "R0C7=4", "R5C1=8", "R6C4=7", "R8C6=2", "R1C0=8", "R1C4=4", "R1C2=2", "R3C8=5", "R4C3=5", "R5C2=5", "R1C1=3", "R8C7=7", "R7C6=8", "R6C7=9", "R5C5=4", "R4C7=1", "R5C3=1", "R1C7=6", "R7C1=9", "R4C1=6", "R7C5=3", "R8C8=4" ]
1,338
503009000010406300040000856080600700024730060005020031007004000802190005000083120
563879214218456379749312856381645792924731568675928431157264983832197645496583127
constraint_programming
[ "R5C3=9", "R2C5=2", "R6C6=9", "R6C7=8", "R5C1=7", "R7C6=6", "R6C3=2", "R6C0=1", "R7C1=3", "R3C5=5", "R3C7=9", "R2C0=7", "R8C3=5", "R4C0=9", "R7C5=7", "R3C4=4", "R5C5=8", "R2C2=9", "R2C4=1", "R0C6=2", "R3C2=1", "R0C7=1", "R1C4=5", "R1C8=9", "R0C4=7", "R0C8=4", "R7C7=4", "R3C0=3", "R4C8=8", "R1C7=7", "R8C0=4", "R3C8=2", "R4C5=1", "R8C8=7", "R5C6=4", "R1C2=8", "R5C0=6", "R0C3=8", "R8C2=6", "R6C8=3", "R6C1=5", "R8C1=9", "R6C4=6", "R0C1=6", "R4C6=5", "R2C3=3", "R1C0=2" ]
1,339
210364090040080500706005030800020764009106000002070003000040050100000308350907042
215364897943781526786295431831529764479136285562478913627843159194652378358917642
backtracking
[ "R2C8=1", "R6C2=7", "R7C5=2", "R6C3=8", "R6C0=6", "R6C5=3", "R0C8=7", "R7C4=5", "R3C3=5", "R0C6=8", "R8C2=8", "R7C3=6", "R1C3=7", "R3C1=3", "R8C4=1", "R2C3=2", "R1C2=3", "R7C2=4", "R3C5=9", "R2C6=4", "R4C0=4", "R4C6=2", "R6C1=2", "R4C1=7", "R5C0=5", "R8C6=6", "R7C7=7", "R6C6=1", "R1C8=6", "R2C4=9", "R7C1=9", "R5C5=8", "R4C4=3", "R3C2=1", "R5C3=4", "R5C7=1", "R1C7=2", "R4C8=5", "R1C5=1", "R5C1=6", "R1C0=9", "R2C1=8", "R0C2=5", "R6C8=9", "R5C6=9", "R4C7=8" ]
1,340
001570003003400010602090508010800024050600900930000760040102009800040072000005030
481576293593428617672391548716859324254637981938214765347162859865943172129785436
backtracking
[ "R4C4=3", "R3C5=9", "R4C8=1", "R1C4=2", "R5C3=2", "R0C7=9", "R0C5=6", "R1C5=8", "R3C2=6", "R1C0=5", "R8C3=7", "R6C0=3", "R4C2=4", "R1C8=7", "R5C5=4", "R3C6=3", "R0C6=2", "R4C0=2", "R5C8=5", "R6C7=5", "R6C6=8", "R0C1=8", "R3C4=5", "R7C2=5", "R4C7=8", "R6C2=7", "R8C4=8", "R2C7=4", "R5C2=8", "R7C6=1", "R6C4=6", "R8C0=1", "R8C1=2", "R2C3=3", "R7C5=3", "R7C1=6", "R8C2=9", "R7C3=9", "R5C4=1", "R2C5=1", "R8C8=6", "R1C1=9", "R8C6=4", "R1C6=6", "R4C5=7", "R3C0=7", "R2C1=7", "R0C0=4" ]
1,341
635000070700040906010705000007300200008090010000250067050901308009080040020630005
635829174782143956914765832547316289268497513193258467456971328379582641821634795
backtracking
[ "R1C5=3", "R0C8=4", "R2C6=8", "R6C0=4", "R1C1=8", "R0C5=9", "R4C0=2", "R8C5=4", "R2C2=4", "R3C0=5", "R0C4=2", "R7C3=5", "R5C2=3", "R4C6=5", "R5C1=9", "R4C1=6", "R7C0=3", "R7C8=1", "R3C7=8", "R4C8=3", "R1C3=1", "R7C5=2", "R6C2=6", "R4C3=4", "R3C5=6", "R3C1=4", "R8C0=8", "R3C4=1", "R6C7=2", "R5C0=1", "R8C2=1", "R8C6=7", "R1C7=5", "R0C3=8", "R5C5=8", "R5C6=4", "R0C6=1", "R3C8=9", "R8C7=9", "R7C6=6", "R4C5=7", "R7C1=7", "R1C2=2", "R2C8=2", "R2C0=9", "R6C4=7", "R2C4=6", "R2C7=3" ]
1,342
005008060100734020970000304200389050067050000000006418620000500000190003491000800
345928167186734925972615384214389756867451239539276418623847591758192643491563872
backtracking
[ "R0C1=4", "R2C7=8", "R5C3=2", "R8C4=6", "R5C2=9", "R1C1=8", "R0C3=9", "R7C1=5", "R3C8=6", "R7C6=6", "R2C2=2", "R0C8=7", "R2C3=6", "R4C7=3", "R5C4=7", "R4C0=8", "R4C3=4", "R4C5=1", "R3C1=1", "R5C1=3", "R8C8=2", "R6C7=9", "R6C4=4", "R2C5=5", "R6C3=8", "R1C8=5", "R6C8=1", "R4C6=2", "R6C2=3", "R3C6=7", "R7C0=7", "R7C2=8", "R1C6=9", "R8C7=7", "R0C6=1", "R4C8=9", "R7C5=2", "R2C4=1", "R0C4=2", "R7C7=4", "R3C2=4", "R5C0=5", "R6C5=7", "R8C3=5", "R8C5=3", "R1C2=6", "R0C0=3" ]
1,343
090500430401000007670020805320900006000080050086000109140078900900300200200609070
892567431451893627673124895324951786719486352586732149145278963967345218238619574
constraint_programming
[ "R4C8=2", "R7C5=5", "R6C2=5", "R5C4=3", "R2C5=4", "R6C8=3", "R3C5=1", "R8C1=3", "R5C0=5", "R8C8=4", "R2C7=9", "R3C7=8", "R5C3=7", "R7C2=7", "R8C6=5", "R4C0=7", "R4C6=3", "R2C2=3", "R1C3=8", "R2C3=1", "R1C1=5", "R1C7=2", "R0C5=7", "R3C6=7", "R6C3=2", "R4C5=6", "R5C7=4", "R8C4=1", "R7C4=4", "R1C6=6", "R0C4=6", "R4C3=4", "R7C1=6", "R7C7=1", "R4C1=1", "R0C8=1", "R3C4=5", "R3C2=4", "R6C7=6", "R8C2=8", "R0C0=8", "R4C2=9", "R1C5=3", "R7C8=8", "R0C2=2", "R1C4=9", "R5C5=2" ]
1,344
009853000600204000034000010016007520940500780007406000000090108701000093200078060
129853647678214359534769812316987524942531786857426931465392178781645293293178465
constraint_programming
[ "R5C7=3", "R1C1=7", "R6C2=5", "R3C4=8", "R8C6=4", "R3C8=4", "R1C8=9", "R5C1=5", "R5C8=1", "R4C5=1", "R7C4=4", "R4C4=3", "R6C0=4", "R8C3=1", "R2C3=7", "R4C2=2", "R6C5=2", "R3C3=9", "R6C7=7", "R2C6=8", "R2C5=9", "R1C2=8", "R7C3=6", "R0C6=6", "R2C4=6", "R7C6=2", "R0C7=4", "R5C0=8", "R1C7=5", "R7C5=5", "R1C4=1", "R0C0=1", "R4C8=6", "R3C0=3", "R7C1=8", "R8C1=9", "R5C4=2", "R5C6=9", "R0C8=7", "R2C8=2", "R0C1=2", "R6C1=6", "R8C2=3", "R6C3=3", "R8C8=5", "R2C0=5", "R1C6=3" ]
1,345
290003400306010007004260000000008000005000109089456200460079030001605008508000902
297583416356914827814267395723198654645732189189456273462879531931625748578341962
constraint_programming
[ "R3C0=7", "R2C5=7", "R8C3=3", "R0C4=8", "R6C3=8", "R0C8=6", "R8C4=4", "R5C7=7", "R4C0=6", "R3C2=3", "R4C5=2", "R8C7=6", "R2C1=1", "R7C1=3", "R2C0=8", "R0C7=1", "R3C8=4", "R7C4=2", "R3C4=9", "R2C7=9", "R7C7=4", "R0C3=5", "R6C8=1", "R6C6=5", "R1C7=2", "R6C2=2", "R4C4=3", "R2C6=3", "R1C5=4", "R4C1=4", "R7C0=9", "R4C7=8", "R1C1=5", "R3C1=2", "R2C8=5", "R0C2=7", "R7C6=7", "R1C3=9", "R3C6=6", "R1C6=8", "R8C1=7", "R3C3=1", "R4C3=7", "R3C7=5", "R5C0=1", "R8C5=1", "R5C8=3" ]
1,346
280600009005700604060310057170500400903006020000084010500000300034001908026009500
287645139315792684469318257178523496943176825652984713591867342734251968826439571
constraint_programming
[ "R7C7=6", "R2C6=2", "R7C3=2", "R2C0=4", "R1C4=9", "R6C3=8", "R3C4=2", "R6C5=7", "R7C4=5", "R4C6=8", "R0C4=4", "R3C7=9", "R8C3=4", "R2C5=8", "R5C3=9", "R5C6=7", "R4C1=4", "R1C1=1", "R8C7=7", "R5C1=5", "R5C2=2", "R0C7=3", "R6C1=9", "R3C2=8", "R6C4=6", "R4C4=7", "R0C2=7", "R6C8=2", "R1C7=8", "R3C5=3", "R8C8=1", "R8C0=8", "R6C2=1", "R1C5=2", "R4C8=5", "R0C6=1", "R4C3=1", "R3C8=6", "R0C5=5", "R5C8=3", "R7C0=7", "R2C2=9", "R8C4=3", "R5C0=6", "R1C0=3", "R6C7=4" ]
1,347
410060002037900056000081097090000010001050830200034079000890540603007000008420000
419765382837942156526381497394678215761259834285134679172896543643517928958423761
backtracking
[ "R3C3=6", "R7C8=8", "R6C1=7", "R5C3=1", "R3C5=8", "R7C1=4", "R5C1=8", "R2C1=2", "R2C0=5", "R3C6=2", "R1C6=1", "R7C4=1", "R5C6=6", "R0C2=9", "R3C4=7", "R4C0=7", "R1C5=2", "R3C2=4", "R6C8=3", "R8C1=5", "R3C8=5", "R7C3=5", "R0C3=7", "R8C8=1", "R3C0=3", "R4C5=9", "R1C0=8", "R8C6=7", "R6C5=6", "R4C1=6", "R4C3=2", "R2C3=3", "R2C2=6", "R8C5=3", "R8C0=9", "R7C6=9", "R5C2=5", "R2C6=4", "R0C6=3", "R8C7=6", "R0C7=8", "R7C7=2", "R6C0=1", "R1C4=4", "R4C8=4", "R6C2=2", "R0C5=5" ]
1,348
690020070200050083000794500401009028032046000059003100007800600043002017100000050
695328471274651983318794562461579328832146795759283146927815634543962817186437259
constraint_programming
[ "R5C8=6", "R1C5=1", "R1C1=7", "R0C6=4", "R3C1=6", "R6C4=1", "R1C2=4", "R2C0=3", "R6C1=2", "R1C6=9", "R2C2=8", "R3C4=7", "R4C3=1", "R1C3=6", "R3C6=3", "R8C4=3", "R6C5=5", "R8C5=7", "R7C0=5", "R3C3=5", "R8C3=4", "R5C3=2", "R7C6=8", "R8C2=6", "R8C6=2", "R4C6=7", "R0C8=1", "R0C2=5", "R6C0=9", "R4C7=9", "R6C8=4", "R2C1=1", "R0C3=3", "R7C4=6", "R2C7=6", "R5C4=8", "R4C0=8", "R0C5=8", "R8C8=9", "R7C3=9", "R8C1=8", "R5C7=4", "R2C8=2", "R5C0=7", "R4C8=5", "R6C7=3" ]
1,349
007000421500008000030090006000700580080304012600021009950040700060975003104003200
897536421526418937431297856312769584789354612645821379953142768268975143174683295
backtracking
[ "R2C0=4", "R8C4=8", "R5C3=8", "R3C2=2", "R2C3=2", "R3C0=3", "R2C6=8", "R7C6=1", "R0C4=3", "R3C5=9", "R4C0=7", "R6C2=3", "R0C0=8", "R1C1=2", "R7C7=4", "R2C2=1", "R5C2=5", "R1C8=7", "R1C3=4", "R7C0=2", "R7C2=8", "R4C6=6", "R1C2=6", "R0C1=9", "R2C5=7", "R8C8=5", "R5C7=7", "R6C5=2", "R1C7=3", "R8C1=7", "R0C5=6", "R6C3=1", "R5C1=4", "R6C8=8", "R3C4=6", "R2C7=5", "R5C6=3", "R6C7=6", "R3C8=4", "R1C4=1", "R8C3=6", "R1C6=9", "R8C7=9", "R4C2=9", "R4C4=5", "R3C1=1", "R0C3=5" ]
1,350
104900500008050006706104203010300049005010000200608007049072301000000080570003020
124936578938257416756184293617325849485719632293648157849572361362491785571863924
backtracking
[ "R0C8=8", "R4C7=3", "R8C2=1", "R2C7=9", "R7C2=2", "R4C5=9", "R4C3=7", "R1C3=2", "R5C1=9", "R7C0=3", "R7C8=5", "R1C6=4", "R1C5=7", "R0C5=6", "R5C7=5", "R3C2=7", "R1C0=9", "R0C1=2", "R6C7=6", "R0C4=3", "R8C8=4", "R2C1=5", "R3C6=8", "R2C4=8", "R6C3=5", "R8C3=8", "R1C1=3", "R4C1=8", "R4C8=2", "R5C6=1", "R0C7=7", "R7C3=4", "R3C0=6", "R7C6=7", "R7C5=1", "R4C6=6", "R1C7=1", "R3C5=5", "R3C4=2", "R8C4=6", "R5C2=3", "R7C1=6", "R5C4=4", "R4C0=4", "R6C0=8", "R8C6=9", "R7C4=9" ]
1,351
107049080305060000008300402070010290000003040200985006006000100090206005800190300
127549683345862917968371452573614298689723541214985736736458129491236875852197364
backtracking
[ "R3C8=8", "R3C0=5", "R8C2=2", "R0C8=3", "R3C3=6", "R1C7=1", "R1C5=2", "R6C7=2", "R6C0=7", "R8C1=5", "R6C5=8", "R5C6=7", "R5C1=1", "R6C8=9", "R2C7=5", "R7C2=1", "R4C0=6", "R8C5=7", "R2C5=1", "R1C8=7", "R2C0=9", "R6C1=3", "R6C3=4", "R8C7=6", "R6C4=5", "R0C3=5", "R4C2=9", "R7C7=7", "R5C7=3", "R3C2=3", "R4C4=2", "R4C8=1", "R7C6=8", "R2C4=7", "R4C1=8", "R7C4=3", "R8C8=4", "R4C6=5", "R1C1=4", "R1C6=9", "R4C3=7", "R5C2=4", "R3C5=4", "R2C1=6", "R1C3=8", "R7C0=4", "R0C1=2", "R0C6=6" ]
1,352
076000104008490300010000025004705800021360000500800013309070000000002060700046509
976253184258491376413687925634715892821369457597824613369578241145932768782146539
backtracking
[ "R8C7=3", "R8C1=8", "R7C4=3", "R0C0=9", "R2C0=4", "R8C3=1", "R4C5=9", "R7C0=1", "R4C6=4", "R3C7=9", "R2C3=6", "R5C1=9", "R7C2=5", "R6C6=2", "R1C0=2", "R1C5=1", "R4C7=5", "R7C3=9", "R8C2=2", "R3C0=6", "R0C7=8", "R4C0=8", "R1C1=5", "R6C1=6", "R3C4=1", "R0C5=3", "R1C8=6", "R3C8=2", "R5C2=7", "R5C4=2", "R7C6=7", "R2C2=3", "R4C8=7", "R0C3=2", "R6C7=4", "R5C6=6", "R6C3=5", "R2C5=7", "R2C4=8", "R2C6=9", "R0C4=5", "R1C7=7", "R6C8=1", "R5C5=4", "R7C8=8", "R6C5=8", "R3C1=3", "R7C1=4" ]
1,353
008091320502600040000007081106530002803020950000748000200900036090070000051004007
768491325512683749439257681146539872873126954925748163287915436694372518351864297
constraint_programming
[ "R7C2=4", "R2C6=6", "R6C6=4", "R0C3=4", "R4C1=7", "R7C7=1", "R1C8=9", "R0C8=5", "R5C7=6", "R8C7=9", "R7C6=5", "R4C5=6", "R6C1=8", "R1C6=7", "R2C1=3", "R5C0=9", "R8C3=8", "R6C5=5", "R8C6=2", "R2C4=5", "R2C3=2", "R0C0=7", "R5C8=3", "R4C8=4", "R3C5=9", "R3C7=7", "R3C6=8", "R6C4=1", "R1C5=3", "R7C3=3", "R0C1=6", "R7C0=6", "R5C6=1", "R7C8=8", "R3C1=4", "R1C4=8", "R8C0=3", "R5C1=2", "R2C2=9", "R6C2=7", "R2C0=4", "R7C5=2", "R4C3=1", "R8C4=6", "R1C1=1", "R5C2=5" ]
1,354
061000200300700004089063705600019002000570030058406009002000090007608401100024800
761945283325781964489263715673819542914572638258436179842157396537698421196324857
backtracking
[ "R4C0=9", "R2C7=1", "R6C1=4", "R1C4=8", "R6C6=3", "R0C8=3", "R3C2=3", "R8C2=6", "R5C0=2", "R1C6=9", "R5C7=7", "R0C0=7", "R3C6=5", "R4C8=8", "R1C7=6", "R8C3=3", "R8C7=5", "R1C5=1", "R7C0=5", "R4C6=6", "R3C3=8", "R8C8=7", "R1C2=5", "R6C0=8", "R5C4=3", "R2C3=2", "R5C6=1", "R6C5=7", "R0C5=5", "R2C0=4", "R3C7=4", "R6C4=5", "R0C3=9", "R7C4=9", "R4C5=2", "R7C1=3", "R6C8=6", "R0C4=4", "R4C2=4", "R4C1=1", "R7C7=2", "R3C1=7", "R6C3=1", "R8C1=9", "R1C1=2", "R0C7=8" ]
1,355
900084300001306720050000000602407010004030000895062007020509600040700095000010084
967284351481356729253971846632497518714835962895162437128549673346728195579613284
backtracking
[ "R4C8=2", "R8C6=2", "R1C4=5", "R1C1=8", "R6C8=3", "R5C3=1", "R4C7=6", "R5C6=4", "R7C6=1", "R4C5=5", "R0C8=1", "R2C6=8", "R6C4=4", "R4C0=7", "R6C7=7", "R7C0=3", "R8C1=7", "R2C5=1", "R8C2=9", "R4C6=9", "R0C3=2", "R7C5=8", "R2C2=3", "R6C2=8", "R4C1=1", "R1C0=4", "R3C4=9", "R3C1=3", "R7C4=2", "R8C5=3", "R2C8=6", "R7C2=6", "R1C8=9", "R0C1=6", "R2C3=9", "R0C7=5", "R3C6=5", "R8C0=5", "R2C0=2", "R3C8=8", "R8C3=6", "R6C0=1", "R0C2=7", "R2C4=7", "R2C7=4", "R4C3=8", "R5C7=3" ]
1,356
001598000000030020308400700620900005084000030097010400000062050400001060705340012
271598643946137528358426791623984175184675239597213486819762354432851967765349812
backtracking
[ "R6C0=8", "R3C7=7", "R6C2=9", "R1C1=4", "R0C0=2", "R7C8=7", "R1C6=5", "R1C8=8", "R3C4=8", "R4C4=7", "R3C5=4", "R5C7=8", "R6C3=7", "R0C1=7", "R7C6=9", "R2C8=1", "R6C8=4", "R2C4=2", "R2C1=5", "R8C5=9", "R6C1=1", "R4C3=6", "R5C3=2", "R3C2=3", "R7C4=5", "R7C3=8", "R3C6=1", "R7C2=2", "R2C5=6", "R7C1=3", "R1C5=7", "R5C5=3", "R4C8=9", "R4C5=5", "R8C1=6", "R6C6=3", "R0C7=4", "R5C8=6", "R1C0=9", "R0C8=3", "R1C3=1", "R5C0=5", "R4C0=1", "R1C2=6", "R0C6=6", "R2C7=9", "R4C6=2", "R8C6=8" ]
1,357
402076000007010500000980003075300940600007302180490600020605008010000725908000000
432576819897213564561984273275368941649157382183492657724635198316849725958721436
constraint_programming
[ "R0C3=5", "R3C0=2", "R2C1=6", "R1C8=4", "R6C0=7", "R0C7=1", "R2C0=5", "R1C7=6", "R7C5=9", "R7C4=4", "R5C8=7", "R6C7=9", "R0C1=3", "R8C5=1", "R5C2=3", "R2C2=1", "R8C7=3", "R8C6=4", "R6C2=4", "R5C5=2", "R0C8=9", "R1C5=3", "R8C1=5", "R8C8=6", "R7C2=6", "R4C4=5", "R6C6=1", "R2C5=4", "R2C6=2", "R5C7=5", "R3C5=8", "R4C1=4", "R8C3=7", "R3C4=6", "R1C3=2", "R0C6=8", "R1C0=8", "R7C0=3", "R4C2=9", "R4C7=8", "R6C4=3", "R4C3=1", "R3C8=1", "R7C3=8", "R1C1=9", "R8C4=2", "R2C7=7" ]
1,358
006408100109060050004093028000020010040000935051074000305200780000000096020809003
236458179189762354574193628863925417742681935951374862395246781418537296627819543
backtracking
[ "R2C3=1", "R3C0=8", "R8C6=5", "R7C6=2", "R4C2=2", "R4C4=8", "R3C3=9", "R0C0=2", "R8C0=6", "R6C5=6", "R5C8=2", "R1C1=8", "R2C6=6", "R3C8=7", "R4C5=1", "R1C5=2", "R7C5=7", "R0C8=9", "R5C3=3", "R7C1=1", "R3C2=3", "R4C0=7", "R0C4=5", "R2C0=5", "R7C4=3", "R7C0=4", "R6C1=9", "R8C4=1", "R3C6=4", "R5C6=8", "R1C3=7", "R7C2=8", "R1C6=3", "R6C4=4", "R0C7=7", "R0C1=3", "R2C1=7", "R3C5=5", "R1C8=4", "R7C3=5", "R8C2=7", "R3C1=6", "R8C7=4", "R5C7=6", "R6C8=1", "R4C3=6", "R5C0=9" ]
1,359
160000570040800320005009408600028005000310000219060000030400080700106004091005003
168243579947851326325679418673928145854317692219564837536492781782136954491785263
backtracking
[ "R4C5=7", "R7C7=5", "R3C2=3", "R2C7=1", "R3C3=9", "R7C1=8", "R5C3=5", "R5C8=7", "R8C7=6", "R0C8=9", "R4C2=4", "R7C6=9", "R8C6=2", "R5C5=4", "R8C0=4", "R6C5=2", "R0C5=3", "R3C6=1", "R1C4=5", "R6C8=1", "R1C0=9", "R4C7=9", "R3C7=4", "R1C2=7", "R6C6=7", "R0C2=8", "R2C1=2", "R6C2=6", "R5C7=3", "R2C4=7", "R3C1=7", "R4C6=6", "R7C4=3", "R6C0=5", "R0C4=4", "R8C3=7", "R6C4=9", "R8C4=8", "R4C1=5", "R4C8=2", "R4C0=8", "R7C2=2", "R5C6=8", "R0C3=2", "R2C0=3", "R1C5=1", "R2C3=6", "R1C8=6" ]
1,360
209000000000450073003008510030209600070003801014060005080100209400320060500086700
259731486168452973743698512835219647672543891914867325386174259497325168521986734
backtracking
[ "R8C7=3", "R0C4=3", "R5C5=7", "R7C6=1", "R2C3=6", "R4C2=2", "R8C3=9", "R3C0=8", "R4C3=5", "R3C2=5", "R1C1=6", "R2C4=9", "R8C2=1", "R0C8=6", "R7C1=9", "R0C3=7", "R2C0=7", "R7C2=7", "R4C0=6", "R0C1=5", "R5C7=2", "R4C7=9", "R0C5=1", "R1C0=1", "R6C4=7", "R1C6=9", "R5C3=8", "R5C0=9", "R5C6=3", "R3C4=1", "R1C5=2", "R7C8=8", "R8C1=2", "R6C7=5", "R6C0=3", "R4C4=4", "R6C5=4", "R8C8=4", "R0C6=4", "R0C7=8", "R2C8=2", "R7C5=5", "R6C2=6", "R3C8=7", "R3C7=4", "R1C2=8", "R2C1=4" ]
1,361
040807360380015070010000200000460090002031048000970100078023059403600002109000000
245897361386215974917346285831462597792531648564978123678123459453689712129754836
constraint_programming
[ "R0C8=1", "R3C0=8", "R6C3=1", "R5C1=6", "R5C0=5", "R2C5=6", "R8C7=3", "R5C5=8", "R8C1=2", "R2C7=8", "R7C4=8", "R2C2=7", "R0C0=2", "R5C7=2", "R1C6=9", "R1C8=4", "R6C0=6", "R0C2=5", "R4C1=9", "R2C8=5", "R1C3=2", "R4C3=5", "R3C2=1", "R8C5=4", "R3C8=7", "R4C0=7", "R2C3=3", "R8C4=5", "R5C2=4", "R7C6=7", "R6C6=4", "R2C0=9", "R8C8=6", "R7C7=1", "R4C6=6", "R1C2=6", "R2C4=4", "R7C1=5", "R3C1=3", "R7C5=9", "R8C6=8", "R3C5=2", "R0C4=9", "R8C3=7", "R3C6=5", "R5C8=3" ]
1,362
000790060000006091068043500004905000050200079301070208040000602285000003070810040
512798364437526891968143527724985136856231479391674258149357682285469713673812945
backtracking
[ "R8C5=2", "R2C0=9", "R3C7=3", "R3C4=8", "R6C0=1", "R8C8=5", "R1C6=8", "R8C6=9", "R8C2=3", "R2C3=1", "R6C2=9", "R5C3=6", "R1C2=7", "R6C5=7", "R7C5=9", "R1C0=4", "R1C3=5", "R7C7=1", "R0C8=4", "R1C4=2", "R7C6=7", "R0C2=2", "R0C6=3", "R6C7=8", "R6C3=3", "R3C6=1", "R7C4=6", "R0C1=1", "R7C3=4", "R0C5=8", "R0C0=5", "R4C0=8", "R4C5=1", "R6C4=5", "R2C8=7", "R1C1=3", "R5C1=9", "R5C5=4", "R4C4=3", "R3C0=7", "R4C6=4", "R4C2=6", "R3C1=2", "R5C7=5", "R8C0=6", "R2C7=2", "R3C8=6" ]
1,363
700829010030400000042031900007680002410500060008090037000000400590007003001006025
765829314139465278842731956957683142413572869628194537276358491594217683381946725
constraint_programming
[ "R1C7=7", "R2C3=7", "R6C0=2", "R4C4=7", "R4C2=3", "R1C5=5", "R8C6=7", "R7C2=4", "R3C6=1", "R5C1=2", "R2C8=6", "R3C1=5", "R1C4=6", "R6C2=6", "R3C0=9", "R1C6=2", "R1C0=1", "R5C5=4", "R7C6=6", "R0C1=6", "R3C5=3", "R7C3=2", "R6C7=9", "R6C1=7", "R6C8=1", "R0C6=3", "R4C6=8", "R5C6=5", "R7C4=1", "R3C7=4", "R6C5=8", "R8C3=9", "R6C3=3", "R8C0=3", "R7C7=8", "R2C0=8", "R0C2=5", "R5C3=1", "R5C0=6", "R6C4=5", "R8C4=4", "R4C8=9", "R0C8=4", "R4C5=2", "R1C8=8", "R1C2=9", "R8C1=8", "R2C7=5" ]
1,364
000010753800004002012030900700300000605000809000060210030047600096520408407008000
964812753873954162512736984721389546645271839389465217238147695196523478457698321
backtracking
[ "R8C4=9", "R7C7=7", "R4C7=3", "R8C1=5", "R2C8=4", "R5C2=9", "R7C5=3", "R4C3=2", "R3C2=1", "R6C7=9", "R6C0=2", "R1C7=6", "R0C1=6", "R5C3=4", "R7C0=1", "R8C7=2", "R2C5=6", "R1C3=9", "R8C6=3", "R3C8=6", "R0C5=2", "R3C7=4", "R4C1=4", "R8C8=1", "R8C3=6", "R6C2=8", "R4C4=7", "R1C4=5", "R5C0=3", "R0C3=8", "R2C0=5", "R3C4=8", "R4C5=1", "R1C1=7", "R1C2=3", "R0C0=9", "R6C8=5", "R2C7=8", "R5C1=8", "R5C8=7", "R3C5=9", "R3C6=5", "R6C3=1", "R5C5=5", "R3C1=2", "R1C6=1", "R2C3=7", "R0C2=4" ]
1,365
800573201060800790320000004050061809100490000070005402485900100692008070000006000
849573261561824793327619584254761839138492657976385412485937126692148375713256948
constraint_programming
[ "R4C7=5", "R0C7=6", "R6C4=3", "R8C3=2", "R5C7=1", "R8C1=1", "R6C7=2", "R7C4=4", "R2C2=7", "R1C0=5", "R2C3=6", "R5C2=6", "R3C2=4", "R5C3=3", "R1C4=2", "R1C2=1", "R6C8=6", "R1C8=3", "R8C2=3", "R4C1=3", "R2C6=5", "R6C5=7", "R0C1=4", "R3C3=7", "R4C2=8", "R5C0=9", "R3C0=2", "R5C4=8", "R1C5=4", "R8C4=5", "R4C8=7", "R8C7=4", "R7C6=3", "R2C7=8", "R4C6=6", "R8C8=8", "R2C5=9", "R4C5=2", "R2C4=1", "R3C7=3", "R7C3=1", "R8C6=9", "R0C2=9", "R7C8=5", "R8C0=7" ]
1,366
200708003410062800090000560000970040080305001602004309007650000140009080350400100
265798413413562897798143562531976248984325671672814359827651934146239785359487126
backtracking
[ "R5C3=8", "R1C2=3", "R2C0=7", "R1C7=9", "R3C8=8", "R4C0=9", "R4C2=4", "R7C3=2", "R6C6=9", "R0C1=6", "R4C7=7", "R3C0=5", "R1C3=5", "R7C2=6", "R6C7=3", "R0C4=9", "R7C8=5", "R8C2=9", "R2C5=3", "R3C5=6", "R2C3=1", "R6C0=8", "R0C2=5", "R8C5=7", "R2C2=8", "R2C8=2", "R6C1=2", "R6C8=4", "R0C7=1", "R8C4=8", "R7C6=7", "R6C5=1", "R1C8=7", "R2C4=4", "R7C4=3", "R5C4=1", "R3C6=2", "R4C4=2", "R8C7=2", "R3C1=3", "R3C2=1", "R5C7=5", "R8C8=6", "R4C6=6", "R5C1=7", "R0C6=4" ]
1,367
020000385050064001070020940093706020000001800700350009008109760600030400042008050
426917385359864271871523946193786524265491837784352619538149762617235498942678153
backtracking
[ "R7C8=8", "R6C0=5", "R2C8=6", "R6C1=3", "R4C4=9", "R0C3=9", "R1C0=3", "R4C3=4", "R8C0=9", "R0C5=7", "R3C8=4", "R6C8=2", "R8C6=1", "R2C0=8", "R4C8=7", "R2C5=3", "R1C2=9", "R1C7=7", "R3C4=8", "R7C7=9", "R4C1=6", "R8C8=3", "R2C3=5", "R2C2=1", "R8C4=7", "R5C6=6", "R1C6=2", "R0C2=6", "R5C1=8", "R8C3=6", "R0C4=1", "R3C6=5", "R7C1=1", "R6C4=4", "R7C3=2", "R7C2=7", "R4C7=3", "R5C5=2", "R4C2=5", "R0C0=4", "R7C5=5", "R5C7=1", "R1C3=8", "R5C2=4", "R3C0=1", "R4C0=2" ]
1,368
026000000000097106000380250705400900080069410010020063000001000001540370304000680
926154837538297146147386259765413928283769415419825763872631594691548372354972681
constraint_programming
[ "R2C2=7", "R4C2=3", "R3C5=3", "R0C8=7", "R8C5=2", "R0C3=1", "R6C7=9", "R3C8=8", "R6C2=2", "R5C2=9", "R1C0=5", "R6C0=8", "R4C0=2", "R2C8=9", "R1C7=4", "R6C1=7", "R0C7=3", "R7C0=6", "R5C5=5", "R5C6=7", "R6C6=5", "R2C5=6", "R1C3=2", "R8C4=7", "R8C3=9", "R7C5=8", "R8C8=1", "R0C5=4", "R3C1=6", "R5C3=8", "R4C3=7", "R3C7=2", "R7C8=2", "R2C1=4", "R4C8=5", "R0C0=9", "R1C2=8", "R8C1=5", "R1C1=3", "R5C0=4", "R0C4=5", "R2C0=1", "R6C8=4", "R6C3=6", "R3C4=1", "R6C4=3", "R0C6=8", "R7C1=9" ]
1,369
300620907005000000710080000806073400007900010400002300009005030200390061650004280
348621957965437128712589643826173495537946812491852376189265734274398561653714289
backtracking
[ "R5C8=6", "R5C1=9", "R7C2=4", "R5C7=7", "R7C6=5", "R2C7=4", "R6C4=6", "R6C6=7", "R4C5=6", "R8C2=3", "R1C7=2", "R6C8=4", "R0C2=8", "R3C3=1", "R0C7=5", "R4C6=8", "R4C4=4", "R4C0=5", "R8C8=9", "R1C3=4", "R5C3=8", "R5C2=1", "R6C3=2", "R4C8=2", "R0C1=4", "R2C3=5", "R7C5=8", "R8C4=1", "R2C8=3", "R2C2=2", "R5C4=5", "R1C4=3", "R3C8=5", "R1C8=8", "R2C5=9", "R1C1=6", "R8C3=7", "R3C7=9", "R2C6=6", "R4C1=3", "R6C0=1", "R0C5=1", "R7C1=7", "R1C5=7", "R3C1=2", "R6C1=8", "R1C6=1", "R1C0=9" ]
1,370
000800906905010040240307000612000093530000604008700010004250001300060070829003000
173845926985612347246397158612584793537921684498736512764259831351468279829173465
backtracking
[ "R7C3=4", "R5C4=3", "R3C3=5", "R3C4=8", "R5C8=2", "R2C4=9", "R0C7=2", "R1C5=2", "R8C3=1", "R4C3=9", "R6C5=9", "R5C0=4", "R1C8=7", "R7C2=1", "R2C7=5", "R0C4=4", "R5C6=5", "R6C1=6", "R6C7=3", "R1C1=8", "R5C1=9", "R8C4=7", "R4C5=1", "R0C1=7", "R8C8=5", "R3C6=7", "R3C5=4", "R4C2=7", "R6C6=8", "R1C3=6", "R0C0=1", "R7C6=2", "R8C6=4", "R1C6=3", "R2C2=6", "R6C0=7", "R4C7=8", "R0C5=5", "R8C7=6", "R2C8=8", "R5C5=6", "R4C4=2", "R0C2=3", "R7C5=8", "R7C1=5", "R2C6=1", "R7C8=9" ]
1,371
010000008800006090250004761400008035320000806000190207090840003005200100604070020
916732458847516392253984761471628935329457816568193247192845673735269184684371529
backtracking
[ "R8C1=8", "R3C2=1", "R8C3=3", "R1C6=3", "R3C6=9", "R6C5=5", "R7C4=6", "R4C5=7", "R7C8=4", "R1C1=4", "R1C3=5", "R5C5=3", "R0C6=4", "R6C2=2", "R1C4=1", "R7C0=7", "R2C2=3", "R0C5=2", "R6C6=6", "R7C5=9", "R5C0=5", "R5C1=6", "R4C7=1", "R0C3=7", "R3C4=2", "R5C2=8", "R4C3=4", "R7C7=8", "R4C2=9", "R0C2=6", "R3C3=6", "R2C4=8", "R8C5=1", "R0C4=3", "R2C3=9", "R3C1=7", "R0C7=5", "R8C6=5", "R1C2=7", "R6C0=1", "R0C0=9", "R5C7=4", "R4C4=5", "R8C8=9", "R7C1=3", "R1C8=2", "R6C7=7" ]
1,372
040607320000030400905020008000080176608009004520100000082000500700008039360054000
841697325276835491935421768493582176618379254527146983182963547754218639369754812
constraint_programming
[ "R7C1=5", "R7C6=6", "R6C0=1", "R1C2=6", "R0C4=9", "R0C2=1", "R7C3=2", "R3C1=9", "R1C0=2", "R4C6=2", "R2C6=7", "R4C3=3", "R8C2=9", "R8C3=7", "R2C5=1", "R2C7=6", "R5C4=4", "R4C7=5", "R3C2=3", "R0C8=5", "R3C0=4", "R8C6=8", "R5C8=3", "R6C3=9", "R5C2=7", "R6C7=4", "R8C7=1", "R1C7=9", "R2C1=3", "R2C3=4", "R6C8=7", "R6C4=6", "R4C1=1", "R7C4=1", "R3C5=2", "R1C3=8", "R6C5=3", "R1C1=7", "R1C5=5", "R8C8=2", "R7C2=4", "R5C6=9", "R3C3=5", "R1C8=1", "R0C0=8", "R5C5=6", "R5C7=8", "R4C4=7" ]
1,373
970003004060050200000124060091008507000700083003240000050001800007806040340070910
972683154164957238835124769491368527526719483783245691659431872217896345348572916
constraint_programming
[ "R1C8=8", "R1C5=7", "R8C3=5", "R1C7=3", "R2C0=8", "R6C8=2", "R0C7=5", "R0C4=8", "R4C1=2", "R6C7=7", "R6C0=6", "R1C3=9", "R1C0=1", "R2C1=3", "R7C1=1", "R5C5=5", "R4C0=5", "R7C8=5", "R8C8=6", "R0C6=1", "R1C2=4", "R5C7=9", "R3C7=2", "R0C2=2", "R2C2=5", "R2C6=7", "R3C0=4", "R7C6=3", "R6C3=4", "R6C4=3", "R3C4=6", "R5C8=1", "R8C2=8", "R5C0=7", "R0C3=6", "R4C4=1", "R4C6=4", "R5C6=6", "R3C3=3", "R2C8=9", "R4C2=6", "R6C2=9", "R4C5=9", "R7C0=2", "R8C5=2", "R7C4=9", "R5C1=8" ]
1,374
003020001820040650106000807000500900390080560005607014900013000060008230702400009
573826491829741653146359827614532978397184562285697314958213746461978235732465189
constraint_programming
[ "R0C6=4", "R4C5=4", "R1C3=7", "R8C1=3", "R4C3=1", "R7C4=7", "R2C4=5", "R4C8=2", "R6C6=7", "R7C0=4", "R7C2=1", "R3C8=8", "R0C1=7", "R7C3=9", "R3C1=1", "R0C0=5", "R1C8=3", "R2C5=9", "R8C5=5", "R5C4=9", "R3C5=2", "R7C8=5", "R3C4=3", "R5C0=2", "R3C2=4", "R3C7=7", "R6C1=5", "R6C8=6", "R0C7=9", "R0C3=8", "R0C5=6", "R8C7=8", "R3C0=6", "R4C2=7", "R2C3=3", "R5C1=8", "R6C2=8", "R5C6=3", "R2C7=2", "R2C1=4", "R6C3=2", "R6C7=4", "R8C6=1", "R1C5=1", "R8C4=6", "R1C2=9" ]
1,375
041002090830000700600700023020000401000090800005063002390105006014900007206804500
741352698832619754659748123923587461467291835185463972398175246514926387276834519
backtracking
[ "R0C0=7", "R7C5=6", "R5C0=1", "R3C3=5", "R6C4=7", "R2C4=4", "R4C2=7", "R5C7=7", "R3C5=7", "R2C1=5", "R4C8=5", "R5C3=4", "R7C4=2", "R4C7=3", "R4C0=4", "R1C8=4", "R0C4=5", "R7C0=5", "R1C2=2", "R1C7=5", "R8C8=9", "R8C1=7", "R5C6=9", "R5C1=8", "R6C6=2", "R0C6=6", "R3C2=3", "R0C8=8", "R2C5=8", "R2C2=9", "R6C7=4", "R6C2=8", "R4C3=2", "R8C4=3", "R8C7=1", "R4C5=1", "R1C5=9", "R1C4=1", "R1C3=6", "R3C7=6", "R7C6=3", "R7C7=8", "R3C0=9", "R0C3=3", "R2C6=1", "R3C4=8", "R4C1=6" ]
1,376
240600190007090003050803000100069054000580200700430001000000920680127005530000800
243675198817294563956813742128769354364581279795432681471358926689127435532946817
constraint_programming
[ "R2C6=7", "R6C3=3", "R6C4=5", "R0C5=5", "R1C7=6", "R8C4=4", "R2C2=6", "R0C4=7", "R6C0=4", "R8C7=1", "R8C2=2", "R2C4=1", "R6C8=6", "R4C1=6", "R0C2=3", "R4C7=7", "R7C7=3", "R2C0=9", "R4C2=4", "R6C5=8", "R6C1=7", "R8C5=6", "R6C2=1", "R7C6=4", "R7C2=9", "R4C8=9", "R3C2=8", "R5C2=5", "R5C5=2", "R8C3=9", "R3C3=7", "R1C6=5", "R4C0=3", "R8C8=7", "R4C5=1", "R5C7=8", "R1C1=1", "R1C3=2", "R0C8=8", "R5C1=9", "R1C5=4", "R3C6=3", "R2C7=4", "R3C1=2", "R1C0=8", "R5C6=6", "R2C8=2" ]
1,377
006003049008002003000810520830096070590000000040051300104205080920007150000040600
216573849458962713379814526831496275597328461642751398164235987923687154785149632
backtracking
[ "R8C2=5", "R7C2=3", "R4C3=3", "R4C4=2", "R0C1=1", "R7C3=6", "R4C7=6", "R5C0=6", "R8C1=8", "R3C6=2", "R6C4=3", "R4C5=8", "R4C6=4", "R8C7=3", "R0C6=8", "R1C1=5", "R1C6=7", "R2C0=3", "R1C3=9", "R2C5=4", "R1C4=6", "R0C4=7", "R0C3=5", "R4C8=1", "R3C8=5", "R2C8=6", "R5C8=8", "R8C8=2", "R0C0=2", "R8C5=9", "R2C2=9", "R6C1=6", "R1C7=1", "R3C2=1", "R4C2=7", "R5C7=9", "R2C1=7", "R1C0=4", "R5C2=2", "R5C3=7", "R8C3=1", "R6C8=7", "R6C6=9", "R7C8=4", "R7C4=8", "R3C3=4", "R8C0=7" ]
1,378
070038200000570309048000000610700004000481090200900050007100060560040023092000710
975638241126574389348219576619725834753481692284963157837192465561847923492356718
backtracking
[ "R8C3=3", "R5C4=6", "R2C8=6", "R6C6=4", "R5C5=3", "R3C6=8", "R1C1=2", "R4C8=2", "R7C3=8", "R6C4=9", "R0C8=1", "R2C6=5", "R3C7=3", "R1C5=4", "R3C2=9", "R5C2=4", "R1C2=6", "R4C0=7", "R0C3=6", "R7C2=1", "R0C2=5", "R7C5=7", "R2C4=1", "R5C6=1", "R6C5=2", "R1C0=1", "R6C0=8", "R1C7=8", "R5C1=8", "R4C2=3", "R0C0=9", "R8C5=6", "R4C1=5", "R6C1=3", "R8C0=4", "R7C6=9", "R8C4=5", "R2C3=2", "R8C8=8", "R2C7=7", "R6C8=5", "R4C6=6", "R2C0=3", "R3C4=2", "R2C5=9", "R0C7=4", "R3C5=5", "R5C8=7" ]
1,379
001053200000070060840620001000005008034000000908300175002004387400900500060710902
671853294259471863843629751716295438534187629928346175192564387487932516365718942
backtracking
[ "R7C1=8", "R7C5=2", "R4C0=5", "R6C4=6", "R6C1=9", "R1C1=5", "R4C6=6", "R8C2=5", "R0C7=9", "R2C2=3", "R6C3=5", "R3C0=7", "R2C7=5", "R4C3=1", "R3C4=9", "R1C5=1", "R5C5=6", "R7C8=6", "R2C6=7", "R8C5=8", "R0C3=8", "R5C1=2", "R8C7=4", "R3C3=2", "R4C8=9", "R0C8=4", "R3C1=1", "R3C2=6", "R4C5=7", "R2C5=9", "R6C0=1", "R7C2=7", "R1C2=9", "R3C6=4", "R1C8=3", "R4C7=2", "R7C4=3", "R1C3=4", "R0C1=7", "R8C0=3", "R4C4=8", "R1C0=2", "R5C4=4", "R1C6=8", "R7C7=1", "R0C0=6", "R3C7=3" ]
1,380
087000091006050408009103007800040030024096085000700009018600000300000510900420063
587264391136957428249183657891542736724396185653718249418635972362879514975421863
backtracking
[ "R7C8=4", "R1C0=1", "R3C3=5", "R7C1=6", "R6C7=7", "R7C5=9", "R3C5=2", "R2C1=4", "R4C0=7", "R8C2=5", "R5C2=3", "R5C0=6", "R0C3=2", "R3C2=1", "R6C4=3", "R1C1=3", "R5C1=5", "R2C6=6", "R3C6=7", "R8C1=7", "R6C8=2", "R2C0=2", "R5C6=2", "R4C6=1", "R1C7=2", "R2C4=8", "R7C2=2", "R0C4=6", "R5C5=8", "R5C4=1", "R4C3=3", "R1C3=9", "R2C7=5", "R0C5=4", "R6C6=9", "R5C7=4", "R0C6=3", "R8C5=1", "R3C1=9", "R0C0=5", "R6C5=5", "R7C4=7", "R7C3=8", "R1C5=7", "R3C8=6", "R8C6=8", "R6C0=4" ]
1,381
093071004081090000500480030700004802028000051004500073000700695630000200017200000
293671584481395726576482139759134862328967451164528973842713695635849217917256348
backtracking
[ "R2C5=2", "R7C5=9", "R6C4=1", "R5C5=8", "R4C0=3", "R4C3=9", "R5C1=6", "R1C8=6", "R6C1=4", "R5C4=2", "R6C5=3", "R5C0=1", "R8C7=4", "R0C3=6", "R3C2=9", "R8C0=9", "R0C0=2", "R8C8=8", "R3C1=5", "R2C1=7", "R7C7=1", "R8C4=5", "R7C2=5", "R1C5=5", "R6C2=2", "R3C7=6", "R1C0=4", "R2C6=1", "R7C3=8", "R4C4=6", "R5C6=9", "R0C6=5", "R7C4=4", "R1C3=3", "R3C4=3", "R4C6=4", "R0C7=8", "R7C8=7", "R3C3=1", "R1C6=7", "R2C8=9", "R6C0=8", "R4C5=7", "R2C2=6", "R1C7=2", "R8C6=3", "R8C5=6" ]
1,382
060003970800012035000870001100096502004000000072040060500960010000005297030004000
261453978897612435345879621183796542654231789972548163528967314416385297739124856
backtracking
[ "R8C2=9", "R7C3=3", "R0C0=2", "R1C6=4", "R3C1=8", "R1C2=7", "R2C0=3", "R4C4=3", "R6C2=8", "R8C3=1", "R0C4=5", "R5C6=1", "R6C8=4", "R0C2=1", "R2C7=2", "R2C6=6", "R3C7=4", "R1C1=9", "R2C5=9", "R8C0=7", "R8C4=2", "R2C2=5", "R3C2=3", "R8C7=5", "R0C8=8", "R7C0=4", "R0C3=4", "R7C2=6", "R4C5=1", "R6C1=2", "R4C3=2", "R2C1=4", "R4C7=8", "R4C8=9", "R1C3=6", "R8C8=6", "R4C1=5", "R5C8=3", "R4C0=6", "R5C0=9", "R3C3=7", "R5C5=8", "R5C3=5", "R7C4=8", "R7C1=1", "R4C6=7", "R6C5=7", "R8C6=8", "R6C6=3" ]
1,383
015094000300108060008007400500040200097053040000000901004000028602079030031060507
715694382349128765268537419586941273197253846423786951974315628652879134831462597
backtracking
[ "R0C3=6", "R1C8=5", "R5C1=2", "R2C8=9", "R3C7=7", "R8C5=2", "R6C0=9", "R7C3=8", "R3C1=8", "R1C1=4", "R5C3=7", "R1C2=9", "R2C3=5", "R4C8=6", "R2C0=2", "R6C4=1", "R5C0=4", "R1C6=7", "R5C2=3", "R8C0=8", "R2C1=6", "R8C7=9", "R4C6=8", "R2C4=3", "R3C5=1", "R6C5=5", "R4C3=2", "R7C8=4", "R5C7=5", "R0C7=8", "R0C6=3", "R6C3=3", "R8C3=4", "R3C8=3", "R4C0=1", "R0C0=7", "R3C3=9", "R2C7=1", "R7C1=5", "R0C8=2", "R5C5=6", "R3C2=6", "R6C6=6", "R5C4=8", "R7C6=1", "R1C4=2", "R6C1=7" ]
1,384
000040910007510300240007800070000042025069170810050003406800050003600709000100006
538246917967518324241937865679381542325469178814752693496873251153624789782195436
backtracking
[ "R3C6=5", "R2C4=3", "R0C1=3", "R1C0=9", "R7C0=1", "R3C2=9", "R3C3=3", "R6C4=7", "R0C0=5", "R8C5=5", "R4C3=4", "R4C8=8", "R0C3=2", "R8C0=7", "R8C2=2", "R8C7=3", "R2C8=5", "R5C3=7", "R2C3=9", "R3C0=6", "R2C7=6", "R0C2=8", "R6C5=3", "R1C8=4", "R5C5=2", "R3C5=1", "R7C1=5", "R1C7=2", "R1C1=6", "R3C4=8", "R2C2=1", "R0C8=7", "R7C7=8", "R4C0=3", "R8C4=9", "R5C7=9", "R6C6=2", "R0C5=6", "R7C5=4", "R5C2=4", "R8C6=4", "R1C5=8", "R8C1=8", "R6C8=1", "R6C1=9", "R7C4=2", "R5C6=6" ]
1,385
040065390500302008070010006706004201008036500090078600050407103010090007300020000
841765392569342718273819456736954281428136579195278634952487163614593827387621945
constraint_programming
[ "R6C0=9", "R4C1=2", "R8C3=6", "R4C0=4", "R0C0=8", "R6C7=6", "R8C5=1", "R0C2=1", "R1C1=6", "R8C7=4", "R8C1=8", "R8C6=9", "R7C2=4", "R1C4=4", "R0C8=2", "R7C5=3", "R6C2=2", "R1C2=9", "R6C4=8", "R8C2=7", "R4C3=1", "R5C8=4", "R1C6=7", "R2C5=9", "R2C7=5", "R8C8=5", "R2C3=8", "R5C2=5", "R3C3=9", "R2C0=2", "R1C7=1", "R5C7=3", "R7C7=2", "R7C6=8", "R3C7=8", "R2C2=3", "R7C0=6", "R2C6=4", "R5C0=1", "R4C8=9", "R3C4=5", "R4C7=7", "R7C3=5", "R3C1=3", "R0C3=7", "R5C3=2" ]
1,386
049050780008400021503080900000030000001800304600105000105000060090074032020006007
249651783768493521513287946482739615951862374637145298175328469896574132324916857
backtracking
[ "R6C5=8", "R1C1=6", "R3C1=8", "R2C8=6", "R2C5=7", "R4C4=6", "R5C4=4", "R0C5=1", "R1C4=9", "R8C2=4", "R4C5=2", "R2C1=1", "R1C0=7", "R4C0=9", "R7C3=5", "R7C2=6", "R0C8=3", "R7C0=8", "R3C7=1", "R3C2=2", "R2C7=4", "R8C0=3", "R3C5=9", "R3C3=7", "R8C6=8", "R8C3=9", "R5C1=3", "R5C2=7", "R8C4=1", "R6C4=2", "R0C3=6", "R3C0=4", "R5C8=8", "R6C6=4", "R1C5=3", "R4C1=5", "R0C0=2", "R5C6=2", "R2C3=2", "R6C8=9", "R7C6=1", "R1C6=5", "R6C3=3", "R3C6=6", "R3C8=5", "R5C7=9", "R4C7=7", "R8C7=5", "R6C1=7" ]
1,387
006003050150240030032090800080052300003008740010700006064307009500084000029010000
946873152158246937732591864687452391293168745415739286864327519571984623329615478
backtracking
[ "R2C3=5", "R7C1=7", "R7C3=9", "R4C8=5", "R3C0=6", "R7C8=3", "R6C4=2", "R2C8=4", "R4C3=1", "R3C8=1", "R1C6=9", "R8C3=6", "R0C6=1", "R5C5=9", "R5C6=2", "R8C7=7", "R4C0=2", "R5C4=3", "R6C0=8", "R0C0=9", "R0C1=4", "R3C2=7", "R4C1=9", "R7C7=2", "R8C0=3", "R1C2=8", "R2C0=7", "R1C8=7", "R2C5=1", "R1C5=6", "R0C4=7", "R8C5=5", "R5C7=8", "R5C0=4", "R8C8=8", "R0C8=2", "R3C7=9", "R3C3=4", "R5C2=5", "R2C7=6", "R7C2=1", "R7C6=6", "R4C4=6", "R8C6=4", "R6C6=5", "R0C3=8", "R6C7=1" ]
1,388
000625001013400900007030842400106037060007108000090200500700403002050000801009005
984625371213478956657931842429186537365247198178593264596712483732854619841369725
backtracking
[ "R1C4=7", "R5C8=4", "R7C3=8", "R7C6=6", "R6C1=9", "R0C7=7", "R7C7=1", "R0C6=3", "R7C0=7", "R5C5=3", "R7C1=3", "R5C2=8", "R5C7=6", "R1C8=6", "R1C0=2", "R3C2=9", "R8C4=6", "R8C3=3", "R6C5=2", "R4C0=3", "R4C2=5", "R2C5=1", "R0C1=8", "R6C4=1", "R6C2=6", "R4C4=4", "R0C0=9", "R3C4=8", "R5C3=5", "R4C7=9", "R8C6=7", "R0C2=4", "R4C3=2", "R3C6=5", "R2C1=5", "R2C3=9", "R6C7=8", "R5C1=7", "R8C7=2", "R5C0=1", "R8C1=4", "R7C8=9", "R3C1=2", "R7C5=4", "R1C5=8", "R1C7=5", "R2C0=6" ]
1,389
003620000005400071096580004370000050000009012042700390200904800587006003000035000
413627589825493671796581234379162458658349712142758396231974865587216943964835127
constraint_programming
[ "R3C8=8", "R4C3=3", "R5C0=1", "R0C0=4", "R0C6=5", "R2C0=7", "R5C8=6", "R6C2=1", "R7C3=2", "R8C7=2", "R7C4=1", "R2C6=2", "R2C5=1", "R1C4=9", "R6C1=3", "R7C6=9", "R8C0=9", "R3C3=1", "R3C5=2", "R5C4=5", "R0C7=8", "R0C1=1", "R8C3=8", "R4C6=7", "R6C8=5", "R2C7=3", "R3C4=6", "R6C4=7", "R4C0=6", "R8C2=4", "R7C7=4", "R3C6=4", "R1C6=6", "R4C4=4", "R0C8=9", "R1C5=3", "R8C6=1", "R4C2=8", "R0C5=7", "R4C1=5", "R1C1=2", "R8C1=6", "R5C5=8", "R6C7=6", "R8C8=7", "R1C0=8", "R3C2=9" ]
1,390
100002509090608730064300000010000040000060208809450007053084100000570390600001080
138742569295618734764395821516827943347169258829453617953284176481576392672931485
backtracking
[ "R4C1=4", "R6C7=7", "R1C8=4", "R3C2=6", "R6C3=2", "R0C2=8", "R3C8=3", "R6C8=6", "R2C0=7", "R4C0=3", "R6C0=9", "R7C1=8", "R2C5=5", "R7C5=6", "R5C7=1", "R8C8=5", "R3C4=2", "R8C2=2", "R4C7=5", "R2C7=2", "R0C3=7", "R0C1=3", "R7C8=2", "R5C1=2", "R1C0=2", "R3C5=7", "R5C6=6", "R2C6=8", "R3C0=5", "R1C2=5", "R3C6=9", "R8C3=9", "R1C4=1", "R2C4=9", "R0C7=6", "R5C5=3", "R3C3=8", "R8C6=4", "R0C4=4", "R8C1=7", "R4C5=9", "R4C3=1", "R7C0=4", "R4C2=7", "R7C2=1", "R2C8=1", "R8C4=3" ]
1,391
700200000000019030000845009530070120090006403006000008203090045850102600067400010
749263581685719234321845769538974126192586473476321958213697845854132697967458312
backtracking
[ "R2C2=1", "R5C6=9", "R0C8=1", "R6C6=8", "R8C6=3", "R2C6=7", "R8C8=2", "R7C7=9", "R5C1=7", "R2C7=6", "R8C4=5", "R2C0=3", "R5C4=2", "R5C5=1", "R0C5=3", "R0C6=5", "R0C4=6", "R6C1=1", "R3C5=4", "R5C0=4", "R1C1=8", "R6C3=6", "R1C2=5", "R2C1=2", "R3C8=6", "R5C3=3", "R1C6=2", "R0C7=8", "R8C5=8", "R0C2=9", "R1C0=6", "R8C0=9", "R0C1=4", "R3C3=9", "R4C7=7", "R3C2=8", "R4C3=5", "R1C8=4", "R4C0=1", "R6C5=7", "R1C3=7", "R5C7=5", "R7C2=4", "R7C8=7", "R4C4=8", "R4C2=2", "R7C4=3" ]
1,392
961005000200010904057080300000009072080200016520070800090730005604000007300420180
961345728238617954457982361143869572789253416526174893892731645614598237375426189
backtracking
[ "R1C2=8", "R2C3=9", "R5C7=9", "R1C7=5", "R8C2=5", "R7C6=2", "R0C7=2", "R7C1=1", "R4C0=7", "R5C5=4", "R3C0=1", "R2C7=6", "R3C2=3", "R1C3=6", "R2C8=1", "R4C6=4", "R6C0=8", "R3C6=5", "R3C1=4", "R0C3=3", "R3C4=6", "R1C5=7", "R5C2=6", "R0C6=7", "R3C3=8", "R1C1=3", "R8C8=9", "R7C7=3", "R6C6=6", "R0C4=4", "R5C8=3", "R7C3=5", "R6C7=4", "R6C2=2", "R7C4=9", "R8C5=6", "R8C1=7", "R5C3=1", "R4C4=5", "R6C5=1", "R2C5=2", "R2C0=4", "R0C8=8", "R4C2=9", "R4C5=3", "R7C5=8" ]
1,393
080054601100070000604280090008009002540700000009130074007062500810400206000003008
783954621192376485654281397378649152541728963269135874437862519815497236926513748
backtracking
[ "R0C2=3", "R4C7=6", "R4C6=9", "R8C2=6", "R6C8=9", "R3C0=3", "R8C4=1", "R4C5=8", "R3C4=4", "R4C2=1", "R6C3=8", "R3C3=6", "R3C6=1", "R0C0=7", "R8C3=5", "R7C7=3", "R5C1=6", "R1C6=4", "R2C6=3", "R1C7=8", "R2C8=7", "R6C1=3", "R3C1=7", "R5C0=2", "R1C8=5", "R1C1=9", "R8C1=2", "R1C3=3", "R8C0=9", "R1C2=2", "R0C7=2", "R4C4=2", "R6C7=1", "R5C6=8", "R7C5=7", "R7C4=9", "R4C8=3", "R6C0=4", "R1C5=6", "R0C3=9", "R2C5=1", "R7C2=5", "R8C7=4", "R5C5=5", "R8C6=7", "R2C1=5", "R3C7=5" ]
1,394
304000000600749000100000870053607400200008900009130005080301560006004712907020000
374815296628749153195263874853697421261458937749132685482371569536984712917526348
backtracking
[ "R2C5=3", "R0C6=2", "R5C6=6", "R2C2=5", "R2C3=2", "R3C7=2", "R5C0=7", "R4C2=1", "R8C8=8", "R8C7=4", "R6C8=9", "R0C8=6", "R8C3=5", "R2C1=9", "R4C3=4", "R0C3=8", "R8C1=1", "R7C0=5", "R1C8=3", "R6C0=4", "R5C7=8", "R3C0=8", "R1C7=5", "R7C4=8", "R6C2=2", "R4C1=6", "R0C1=7", "R1C6=1", "R3C4=9", "R1C2=8", "R0C4=1", "R2C4=6", "R1C1=2", "R7C3=9", "R7C1=3", "R5C5=2", "R4C7=3", "R4C8=7", "R4C4=5", "R2C8=4", "R3C8=1", "R8C5=6", "R5C1=4", "R0C7=9", "R6C4=7", "R8C6=3", "R0C5=5" ]
1,395
019050000020000607380290010600010035030400000007009402500940783800006001040300200
719654328425183697386297514694712835238465179157839462562941783873526941941378256
backtracking
[ "R1C7=9", "R1C4=8", "R0C0=7", "R7C4=2", "R5C3=8", "R6C1=6", "R0C5=4", "R5C7=6", "R5C0=1", "R4C7=7", "R1C0=4", "R3C5=2", "R4C6=1", "R4C4=6", "R7C3=5", "R1C5=3", "R4C2=8", "R0C7=2", "R4C8=9", "R5C4=3", "R3C6=8", "R3C3=7", "R4C0=2", "R4C5=5", "R7C2=3", "R8C5=8", "R3C1=9", "R0C8=8", "R5C1=5", "R2C2=6", "R8C2=1", "R1C3=1", "R0C3=6", "R6C5=1", "R8C7=5", "R7C6=9", "R8C0=9", "R2C8=4", "R6C2=2", "R8C4=7", "R1C2=5", "R8C8=6", "R7C1=7", "R0C6=3", "R2C5=7", "R3C2=4", "R7C7=4", "R2C6=5" ]
1,396
800000501500690000007080420004571609009003045000006810070002083092750000460010000
846237591521694378937185426284571639619823745753946812175462983392758164468319257
constraint_programming
[ "R3C0=2", "R0C3=2", "R5C0=7", "R7C6=1", "R6C0=1", "R7C0=3", "R2C0=9", "R7C7=6", "R0C4=3", "R8C2=8", "R5C4=4", "R6C2=5", "R7C8=4", "R5C2=3", "R0C1=4", "R6C4=6", "R8C3=3", "R1C2=1", "R4C4=2", "R8C6=2", "R5C3=9", "R4C1=1", "R8C7=5", "R6C6=9", "R2C8=6", "R0C7=9", "R8C8=7", "R3C1=8", "R2C3=1", "R2C1=3", "R1C5=4", "R5C8=2", "R3C7=3", "R1C8=8", "R2C5=5", "R7C5=8", "R1C6=3", "R6C3=4", "R0C2=6", "R8C5=9", "R4C0=6", "R1C1=2", "R5C1=5", "R0C5=7", "R4C3=8", "R4C6=7", "R1C7=7" ]
1,397
500036012000080004409000050000092073040701009008005060070100048120600300063900007
587436912216589734439217856651892473342761589798345261975123648124678395863954127
backtracking
[ "R3C1=5", "R4C2=2", "R8C6=1", "R1C0=2", "R3C0=6", "R7C7=9", "R2C5=7", "R8C7=2", "R5C1=9", "R0C6=9", "R7C5=8", "R7C8=5", "R8C4=5", "R6C5=3", "R8C5=4", "R3C6=4", "R2C3=2", "R3C2=1", "R4C4=6", "R8C0=8", "R5C8=1", "R6C0=9", "R4C7=8", "R2C8=6", "R0C1=8", "R6C6=6", "R4C6=5", "R1C3=5", "R1C1=1", "R5C0=7", "R1C5=9", "R5C3=3", "R3C3=8", "R7C2=4", "R7C4=7", "R1C2=6", "R2C1=3", "R1C6=7", "R1C7=3", "R2C6=8", "R2C4=1", "R0C3=4", "R5C6=2", "R6C2=5", "R5C4=4", "R6C4=2", "R0C2=7", "R4C0=3" ]
1,398
010057060070004002800900300490000005006035024250000780640000001900206500700189003
312857469579364812864912357497628135186735924253491786648573291931246578725189643
constraint_programming
[ "R8C6=6", "R2C2=4", "R5C5=1", "R0C0=3", "R5C3=4", "R4C3=7", "R1C6=8", "R5C4=9", "R3C5=8", "R1C3=3", "R6C7=9", "R0C2=2", "R0C8=9", "R2C4=1", "R4C6=9", "R8C2=5", "R7C1=3", "R3C7=3", "R5C2=3", "R6C6=2", "R0C3=8", "R8C1=2", "R2C5=2", "R6C5=3", "R2C1=6", "R7C8=8", "R0C6=4", "R1C7=1", "R4C1=8", "R6C4=7", "R7C4=4", "R6C3=5", "R4C0=1", "R6C2=8", "R3C2=7", "R3C4=2", "R5C8=6", "R2C8=7", "R7C7=7", "R1C4=6", "R1C2=9", "R1C0=5", "R3C6=1", "R7C2=1", "R8C7=4", "R2C7=5", "R3C3=6" ]
1,399
700081950000070040629003008100407600800060102350020400430050000080012000005000370
743281956518679243629543718192437685874965132356128497431756829987312564265894371
backtracking
[ "R6C5=6", "R4C7=3", "R6C3=7", "R7C3=3", "R8C3=8", "R1C3=6", "R6C6=8", "R1C1=1", "R2C4=4", "R6C2=1", "R4C3=9", "R6C8=9", "R1C0=5", "R8C0=2", "R5C3=1", "R5C5=8", "R3C2=2", "R0C2=3", "R8C4=9", "R1C5=9", "R7C8=4", "R7C7=6", "R6C7=2", "R5C2=6", "R3C1=9", "R2C6=7", "R3C7=8", "R1C8=3", "R0C1=4", "R8C5=4", "R4C2=4", "R4C5=5", "R0C8=6", "R7C6=5", "R8C1=6", "R2C7=1", "R0C3=2", "R1C6=2", "R5C7=9", "R1C2=8", "R3C8=5", "R7C0=9", "R2C3=5", "R4C1=7", "R8C8=1", "R3C4=3", "R5C8=7", "R7C2=7" ]