id
int64
0
1,000k
quizzes
stringlengths
81
81
solutions
stringlengths
81
81
method
stringclasses
2 values
steps
sequencelengths
44
52
800
200000000045020103081003064504708900070600080900542030020000076836000500400010800
293164758645827193781953264564738912372691485918542637129485376836279541457316829
backtracking
[ "R1C0=6", "R0C3=1", "R2C3=9", "R4C0=3", "R5C1=1", "R4C6=4", "R0C7=5", "R1C3=8", "R6C3=4", "R0C2=3", "R6C4=8", "R8C7=2", "R0C6=7", "R4C5=1", "R4C8=5", "R2C4=5", "R0C4=6", "R3C7=1", "R5C8=7", "R6C6=3", "R6C5=5", "R6C2=9", "R4C4=9", "R7C4=7", "R8C5=6", "R0C1=9", "R8C2=7", "R4C2=2", "R8C8=9", "R7C8=1", "R5C2=8", "R7C7=4", "R3C4=3", "R1C5=7", "R1C7=9", "R6C0=1", "R7C5=9", "R3C8=2", "R8C3=3", "R0C8=8", "R5C6=6", "R3C1=6", "R7C3=2", "R2C6=2", "R2C0=7", "R0C5=4", "R8C1=5" ]
801
005700091000450070039018040020004000003021007410900083000690050092000600801003000
245736891186459372739218546628374915953821467417965283374692158592187634861543729
constraint_programming
[ "R7C5=7", "R0C0=2", "R2C0=7", "R2C6=5", "R1C0=1", "R1C1=8", "R1C2=6", "R4C6=4", "R7C0=5", "R3C6=9", "R3C7=1", "R6C6=1", "R5C2=7", "R7C3=1", "R8C6=7", "R6C1=7", "R5C4=6", "R0C1=4", "R3C8=5", "R8C1=6", "R6C2=4", "R0C6=8", "R6C8=8", "R3C3=3", "R3C0=6", "R5C6=2", "R4C1=5", "R3C2=8", "R0C5=6", "R7C8=4", "R8C7=2", "R8C4=4", "R2C3=2", "R1C6=3", "R6C0=3", "R1C5=9", "R8C8=9", "R3C4=7", "R0C4=3", "R4C7=6", "R5C5=5", "R7C4=8", "R4C3=8", "R2C8=6", "R6C5=2", "R1C8=2", "R4C0=9", "R8C3=5", "R7C7=3" ]
802
026004030000020705000980016105000073034010502900405000200006001060370980048090000
726154839819623745453987216185269473634718592972435168297846351561372984348591627
backtracking
[ "R2C5=7", "R8C0=3", "R6C1=9", "R6C7=5", "R1C1=1", "R6C6=3", "R6C2=7", "R7C2=1", "R6C3=8", "R5C4=3", "R0C3=1", "R2C2=3", "R1C0=8", "R2C0=4", "R5C2=2", "R3C4=6", "R4C3=7", "R3C6=4", "R8C8=7", "R1C7=4", "R0C0=7", "R3C1=8", "R7C0=5", "R4C5=8", "R0C8=9", "R1C5=3", "R1C2=9", "R8C5=1", "R8C3=5", "R5C8=8", "R0C6=8", "R1C3=6", "R2C1=5", "R4C0=6", "R8C7=2", "R5C6=1", "R2C6=2", "R0C4=5", "R8C6=6", "R4C7=9", "R3C3=2", "R5C1=7", "R3C5=9", "R7C8=4", "R6C4=4", "R7C5=2", "R5C7=6" ]
803
760300000009062500420090010500710320040000000000604908000208100003051406008000079
761345892839162547425897613586719324942583761317624958694278135273951486158436279
backtracking
[ "R1C7=4", "R2C5=7", "R1C8=7", "R4C6=7", "R6C0=6", "R0C7=9", "R5C1=1", "R4C2=2", "R6C2=4", "R1C1=3", "R8C1=5", "R3C5=9", "R4C0=9", "R4C3=5", "R0C4=4", "R8C3=4", "R0C6=8", "R7C7=8", "R4C4=8", "R6C4=7", "R7C1=7", "R5C4=2", "R1C0=8", "R0C8=2", "R5C0=3", "R7C3=9", "R2C3=8", "R2C8=3", "R6C8=5", "R5C7=5", "R2C6=6", "R6C1=9", "R8C4=3", "R0C5=5", "R4C8=1", "R3C8=4", "R4C7=6", "R3C1=8", "R2C2=5", "R1C3=1", "R5C2=7", "R4C5=3", "R3C2=6", "R0C2=1", "R8C6=2", "R7C0=2", "R6C7=3", "R8C0=1", "R8C5=6" ]
804
700000030020000195160020700000300000008096407000785063390604080051008004040519020
789451632423867195165923748576342819238196457914785263392674581651238974847519326
backtracking
[ "R5C6=2", "R1C0=4", "R3C8=9", "R2C5=3", "R6C4=7", "R8C6=3", "R3C7=1", "R6C2=2", "R5C0=9", "R7C7=7", "R0C1=8", "R0C5=1", "R1C2=3", "R0C6=6", "R0C4=5", "R0C8=2", "R2C8=8", "R7C4=3", "R3C6=8", "R3C1=7", "R2C7=4", "R1C3=8", "R1C5=7", "R3C0=5", "R8C0=8", "R8C8=6", "R8C2=7", "R3C4=4", "R3C5=2", "R6C6=5", "R4C1=3", "R5C1=1", "R0C2=9", "R2C2=5", "R2C3=9", "R6C8=1", "R7C6=9", "R4C7=5", "R4C3=1", "R5C2=4", "R7C0=6", "R1C4=6", "R0C3=4", "R7C3=2", "R4C0=2", "R3C2=6" ]
805
860730010002008370100006804019050000003209008506000009090005003070314500000900600
864732915952148376137596824219853467743269158586471239491625783678314592325987641
backtracking
[ "R1C8=6", "R5C1=8", "R5C6=2", "R6C2=1", "R6C3=6", "R7C0=6", "R1C0=9", "R8C8=1", "R8C2=5", "R6C7=8", "R2C3=5", "R3C5=3", "R2C1=3", "R5C5=1", "R1C1=5", "R8C7=4", "R3C3=8", "R4C0=7", "R8C0=3", "R0C8=5", "R2C2=7", "R8C4=8", "R4C1=4", "R1C4=4", "R0C6=9", "R8C5=7", "R4C6=1", "R6C0=4", "R5C4=7", "R4C4=6", "R2C4=9", "R1C3=1", "R7C8=2", "R4C7=5", "R3C7=6", "R7C7=9", "R3C6=4", "R7C2=8", "R6C4=2", "R6C6=7", "R2C7=2", "R5C3=4", "R5C7=3", "R0C5=2", "R0C2=4", "R3C8=7", "R3C0=2", "R8C1=2" ]
806
900405008030010294000206007008047000360001000047000002026000530100970800090652400
972435618635718294481296357218547963369821745547369182726184539154973826893652471
constraint_programming
[ "R5C7=8", "R4C6=7", "R1C2=5", "R8C0=8", "R2C4=9", "R5C0=5", "R7C2=4", "R4C3=8", "R0C7=1", "R2C0=4", "R7C7=2", "R3C3=5", "R5C5=9", "R3C0=2", "R4C2=9", "R6C3=1", "R6C5=4", "R2C2=1", "R7C1=5", "R8C8=1", "R0C1=7", "R8C2=3", "R1C3=7", "R5C3=3", "R0C2=2", "R6C0=7", "R0C6=6", "R3C6=9", "R2C6=3", "R5C6=1", "R4C8=5", "R4C7=4", "R2C1=8", "R3C8=3", "R3C7=6", "R7C5=3", "R1C0=6", "R6C4=8", "R6C8=9", "R8C7=7", "R1C5=8", "R4C4=2", "R3C1=1", "R7C8=6", "R2C7=5", "R5C4=6", "R0C4=3" ]
807
500000006080300290493600700601507000900010473000024005000091082000408310700050009
572149836186375294493682751641537928925816473837924165364791582259468317718253649
backtracking
[ "R2C5=2", "R0C6=8", "R8C7=4", "R3C4=3", "R4C2=5", "R7C1=5", "R3C8=8", "R5C2=7", "R1C8=4", "R2C4=8", "R7C4=6", "R6C3=7", "R2C8=1", "R6C1=6", "R6C6=5", "R7C8=7", "R6C2=4", "R5C3=9", "R7C0=2", "R5C0=8", "R5C6=1", "R0C1=7", "R5C1=3", "R4C3=8", "R0C3=1", "R1C5=5", "R1C4=7", "R8C6=6", "R0C4=4", "R0C2=2", "R0C7=3", "R4C1=2", "R3C1=4", "R8C3=2", "R8C5=3", "R5C7=6", "R1C0=1", "R7C2=9", "R8C2=8", "R4C5=6", "R8C1=1", "R3C6=9", "R0C5=9", "R1C2=6", "R3C7=2", "R6C0=3", "R2C7=5" ]
808
068049000050000940001002060000000758090265003400730006079800000000526000100004380
768149532253687941941352867632491758897265413415738296579813624384526179126974385
constraint_programming
[ "R2C1=4", "R2C8=7", "R8C3=9", "R3C1=3", "R6C6=6", "R0C6=5", "R7C2=4", "R2C3=3", "R1C8=1", "R2C4=5", "R8C8=5", "R5C5=8", "R3C5=1", "R0C0=7", "R3C2=2", "R4C2=7", "R1C4=8", "R1C3=6", "R6C7=2", "R7C7=7", "R7C6=1", "R6C8=4", "R3C0=6", "R3C4=9", "R8C1=2", "R1C0=2", "R4C6=4", "R7C1=8", "R5C1=1", "R0C8=2", "R6C0=5", "R2C0=9", "R5C7=9", "R7C8=9", "R1C2=3", "R5C6=2", "R6C4=1", "R0C7=3", "R4C0=8", "R2C6=8", "R1C5=7", "R8C4=7", "R6C5=3", "R4C7=1", "R3C3=4", "R8C2=6", "R5C2=5", "R7C0=3", "R0C3=1" ]
809
000009006020570100819040000000006780907020043360400050580030000400215007200900034
735189426624573198819642375142356789957821643368497251586734912493215867271968534
constraint_programming
[ "R1C5=3", "R6C3=7", "R3C1=4", "R3C3=3", "R5C8=1", "R3C4=5", "R0C2=5", "R6C2=6", "R2C3=6", "R5C5=7", "R4C6=6", "R4C5=1", "R3C8=9", "R1C2=4", "R2C5=2", "R1C0=6", "R7C6=8", "R8C5=8", "R8C2=1", "R7C7=6", "R3C2=2", "R3C0=1", "R0C7=2", "R1C8=8", "R8C1=7", "R0C1=3", "R0C0=7", "R4C1=5", "R8C4=6", "R0C4=8", "R4C3=8", "R6C6=9", "R7C1=9", "R8C6=5", "R6C8=2", "R0C6=4", "R2C7=7", "R5C4=9", "R2C6=3", "R5C6=2", "R5C2=8", "R6C7=1", "R0C3=1", "R7C2=3", "R1C7=9", "R6C5=4", "R2C8=5" ]
810
030070069000012050802600100490306000200100400300207806008004002600700905001065030
134578269769412358852693147497386521286159473315247896578934612643721985921865734
constraint_programming
[ "R5C4=4", "R1C8=8", "R4C4=5", "R5C2=5", "R4C1=8", "R4C8=3", "R0C5=8", "R6C7=1", "R1C2=9", "R2C8=7", "R4C5=9", "R6C4=3", "R5C7=9", "R6C3=9", "R6C1=7", "R7C1=4", "R0C0=1", "R8C8=4", "R0C3=5", "R7C4=2", "R2C4=9", "R1C3=4", "R2C5=3", "R8C6=7", "R3C6=5", "R8C0=9", "R8C3=8", "R3C2=7", "R4C7=7", "R3C7=2", "R1C0=7", "R0C6=2", "R6C6=6", "R6C0=5", "R2C1=5", "R3C4=8", "R1C6=3", "R3C8=1", "R4C2=6", "R1C1=6", "R7C7=8", "R8C1=2", "R2C7=4", "R5C1=1", "R7C2=3", "R7C5=1", "R0C2=4" ]
811
900300500705086090000040102008160000402030006051702003000027800030809045106400900
924371568715286394863945172378164259492538716651792483549627831237819645186453927
backtracking
[ "R2C0=8", "R5C4=9", "R4C5=8", "R1C3=2", "R1C8=4", "R7C6=6", "R6C8=1", "R4C1=9", "R6C7=3", "R0C7=6", "R8C4=5", "R7C2=7", "R2C2=3", "R0C4=7", "R5C7=8", "R0C5=1", "R6C0=5", "R0C8=8", "R8C1=8", "R0C2=4", "R3C8=9", "R2C5=5", "R3C7=5", "R6C3=6", "R4C3=5", "R1C1=1", "R2C1=6", "R7C0=2", "R1C6=3", "R8C8=7", "R5C0=6", "R5C6=4", "R3C6=2", "R3C1=7", "R3C0=3", "R8C7=2", "R7C4=1", "R0C1=2", "R6C1=4", "R4C7=1", "R3C5=4", "R8C5=3", "R2C3=9", "R4C6=7", "R2C7=7", "R6C2=9" ]
812
008400506900006480003052001000010007382000000106008903009065004045730600000100250
728491536951376482463852791594613827382947165176528943819265374245739618637184259
backtracking
[ "R5C3=5", "R3C0=5", "R0C1=2", "R1C2=1", "R1C1=5", "R7C0=2", "R6C7=7", "R5C4=2", "R3C7=2", "R1C4=7", "R1C3=3", "R4C4=4", "R3C1=9", "R6C3=2", "R2C1=6", "R8C2=7", "R4C3=9", "R7C8=8", "R4C8=5", "R5C1=7", "R2C0=4", "R5C7=4", "R4C7=6", "R4C5=7", "R4C6=1", "R8C1=3", "R3C2=4", "R3C3=6", "R1C8=2", "R6C0=8", "R6C1=1", "R3C6=8", "R7C5=9", "R8C8=9", "R8C5=4", "R2C3=8", "R0C5=1", "R8C4=8", "R0C7=3", "R3C5=3", "R0C0=7", "R8C0=6", "R7C7=1", "R6C6=3", "R2C7=9", "R0C4=9", "R2C6=7" ]
813
830790010500280006901043070056000003300400009040102600020800300080059400400000051
832796514574281936961543278256978143318465729749132685625814397187359462493627851
backtracking
[ "R4C7=2", "R5C8=5", "R0C5=6", "R7C0=1", "R2C8=8", "R1C1=7", "R6C4=1", "R3C3=9", "R1C7=3", "R3C4=7", "R3C7=4", "R8C3=6", "R6C5=4", "R6C0=6", "R7C8=2", "R0C8=4", "R8C4=2", "R6C8=7", "R6C7=9", "R8C6=8", "R5C2=9", "R5C0=7", "R4C6=7", "R1C5=1", "R5C7=8", "R6C2=5", "R7C7=6", "R4C1=1", "R4C5=5", "R8C1=9", "R1C6=9", "R1C2=4", "R0C2=2", "R8C5=7", "R4C4=6", "R3C6=1", "R5C4=3", "R7C2=7", "R3C0=2", "R2C3=5", "R8C2=3", "R2C1=6", "R0C6=5", "R2C6=2", "R3C5=8", "R7C3=3", "R4C2=8" ]
814
400001030008040710500960002000702004002000083960503200890034100006100000307208006
479821635628345719531967842183792564752416983964583271895634127246179358317258496
backtracking
[ "R5C4=8", "R2C6=8", "R6C8=7", "R3C6=5", "R7C4=7", "R4C4=1", "R6C3=6", "R5C8=1", "R3C4=9", "R0C1=7", "R7C8=8", "R8C7=9", "R7C7=5", "R7C0=2", "R1C5=5", "R1C0=6", "R0C8=5", "R3C2=3", "R8C1=1", "R4C3=4", "R0C3=8", "R3C0=1", "R7C1=4", "R4C1=5", "R4C6=9", "R7C5=9", "R5C7=7", "R2C1=3", "R5C2=4", "R3C7=6", "R1C3=3", "R8C4=5", "R0C6=6", "R7C6=3", "R3C1=8", "R2C5=7", "R2C2=1", "R1C8=9", "R8C6=4", "R2C7=4", "R6C7=2", "R1C1=2", "R0C4=2", "R0C2=9", "R4C0=7", "R4C5=6", "R6C2=5" ]
815
048100307600007009050043100006059010730008520020000000000821900002300061570400800
948162357613587249257943186486259713739618524125734698364821975892375461571496832
backtracking
[ "R0C5=2", "R2C0=2", "R3C8=3", "R7C0=8", "R1C4=8", "R4C2=9", "R5C8=8", "R5C7=9", "R7C1=9", "R7C6=4", "R5C3=7", "R1C1=1", "R5C4=3", "R6C1=6", "R1C2=3", "R5C2=5", "R8C7=3", "R1C7=4", "R0C0=9", "R3C6=7", "R6C7=7", "R1C3=5", "R2C3=9", "R6C0=3", "R4C3=6", "R7C5=5", "R2C2=7", "R0C7=5", "R4C8=4", "R7C4=7", "R2C8=6", "R5C0=1", "R8C8=2", "R5C6=6", "R0C4=6", "R3C3=2", "R3C1=8", "R5C5=4", "R6C2=4", "R8C2=1", "R6C8=5", "R8C4=9", "R4C4=1", "R2C7=8", "R8C5=6", "R1C6=2", "R3C0=4" ]
816
320004000600005840008796000400320510000001689000070300070060100003000052519800703
325184976697235841148796235486329517732451689951678324274563198863917452519842763
backtracking
[ "R6C8=8", "R4C4=5", "R5C1=5", "R3C2=6", "R5C2=1", "R4C0=7", "R0C2=5", "R7C4=1", "R6C5=3", "R2C8=5", "R5C0=9", "R0C3=1", "R8C7=6", "R7C3=9", "R6C0=2", "R7C1=6", "R6C7=9", "R2C6=2", "R1C8=1", "R4C3=4", "R2C0=1", "R5C8=4", "R2C7=3", "R1C2=7", "R3C8=7", "R5C5=8", "R5C7=2", "R0C8=6", "R0C6=9", "R6C3=5", "R4C1=3", "R5C3=6", "R8C5=2", "R3C1=8", "R8C4=4", "R0C7=7", "R4C2=2", "R0C4=8", "R1C3=2", "R2C1=4", "R7C6=4", "R7C0=8", "R3C5=9", "R7C5=7", "R1C4=3", "R1C1=9", "R6C2=4" ]
817
000043000100500604030092800250400307006007090908030010009080502084021000600900070
865143729192578634437692851251469387346817295978235416719386542584721963623954178
backtracking
[ "R1C1=9", "R5C3=2", "R0C0=8", "R2C3=6", "R8C8=8", "R2C7=5", "R8C1=2", "R6C7=4", "R6C3=3", "R8C5=4", "R7C6=9", "R0C8=9", "R5C8=6", "R3C7=8", "R4C8=5", "R0C3=1", "R7C8=3", "R2C2=7", "R4C0=3", "R4C4=1", "R4C3=8", "R0C6=7", "R5C6=4", "R7C3=7", "R1C4=7", "R2C8=1", "R7C7=6", "R0C2=5", "R4C6=2", "R5C1=7", "R1C7=3", "R6C5=6", "R6C1=1", "R3C5=9", "R6C0=7", "R7C0=5", "R3C2=1", "R8C6=1", "R8C2=3", "R1C5=8", "R3C4=6", "R2C0=4", "R5C5=5", "R8C4=5", "R0C1=6", "R0C7=2", "R1C2=2", "R4C1=4" ]
818
100809030006000902070010540602508074340020060008000100250170400000000003837605000
124859637586437912973216548612598374345721869798364125259173486461982753837645291
backtracking
[ "R2C5=6", "R0C4=5", "R0C8=7", "R4C2=5", "R4C3=7", "R6C8=6", "R7C6=7", "R1C4=3", "R0C1=2", "R2C2=3", "R1C7=1", "R7C1=6", "R7C2=1", "R0C6=6", "R2C8=8", "R5C7=2", "R6C5=3", "R3C6=3", "R0C2=4", "R7C3=9", "R1C3=4", "R3C4=9", "R4C8=9", "R5C1=9", "R4C5=1", "R1C1=8", "R3C1=1", "R8C6=2", "R8C4=4", "R2C3=2", "R2C0=9", "R7C4=8", "R5C0=7", "R7C7=5", "R5C8=5", "R7C5=2", "R1C5=7", "R5C5=4", "R8C8=1", "R5C3=3", "R8C7=9", "R7C0=4", "R1C0=5", "R4C6=8", "R6C2=9", "R6C7=8", "R5C4=6" ]
819
704000009090870020000605000370000100100007698089042050056010004023508070900003860
764231589591874326238695417375986142142357698689142753856719234423568971917423865
backtracking
[ "R6C6=2", "R0C3=2", "R6C7=3", "R3C3=9", "R3C8=2", "R8C2=7", "R4C3=3", "R6C3=7", "R3C4=8", "R0C6=5", "R5C6=7", "R2C2=8", "R2C8=7", "R2C7=1", "R1C2=1", "R1C8=6", "R6C0=8", "R0C5=1", "R2C6=4", "R3C7=4", "R1C0=5", "R8C3=4", "R7C8=1", "R5C0=6", "R2C1=3", "R0C1=6", "R2C0=2", "R7C0=4", "R0C4=3", "R2C4=9", "R7C4=6", "R5C3=1", "R4C1=4", "R1C5=4", "R3C2=5", "R7C6=9", "R8C4=2", "R6C5=9", "R8C1=1", "R0C7=8", "R4C4=5", "R4C2=2", "R5C8=3", "R1C6=3", "R3C5=6", "R8C8=5" ]
820
900600700080092001072014890004530008060400100805070320600109000000050067320000005
931685742486792531572314896294531678763428159815976324657149283148253967329867415
backtracking
[ "R5C8=4", "R8C5=7", "R6C8=3", "R3C7=7", "R4C5=8", "R8C4=6", "R1C7=3", "R5C3=9", "R4C2=3", "R0C1=3", "R7C6=9", "R2C0=5", "R1C2=6", "R7C1=4", "R6C1=5", "R5C1=1", "R8C3=8", "R8C2=9", "R3C5=1", "R0C8=2", "R0C5=5", "R2C3=3", "R6C4=4", "R7C3=2", "R0C2=1", "R7C0=1", "R5C5=6", "R1C0=4", "R7C5=3", "R4C7=5", "R4C4=2", "R8C6=4", "R0C7=4", "R4C0=7", "R1C3=7", "R3C1=9", "R6C2=7", "R1C6=5", "R8C7=1", "R7C2=8", "R3C6=6", "R4C8=9", "R2C8=6", "R6C6=2", "R6C7=8", "R0C4=8", "R3C0=2" ]
821
004760000010005387000012050083040026007300000020008409045000900170056200600130008
854763192216495387739812654983541726467329815521678439345287961178956243692134578
constraint_programming
[ "R6C3=2", "R1C4=9", "R5C3=6", "R8C6=5", "R4C1=6", "R4C8=5", "R5C2=1", "R0C1=5", "R7C3=9", "R4C0=4", "R5C7=3", "R4C6=8", "R4C5=9", "R8C7=7", "R6C0=3", "R4C4=2", "R3C5=1", "R0C6=1", "R7C7=4", "R6C8=1", "R3C3=5", "R3C6=7", "R2C6=6", "R0C8=2", "R7C2=8", "R2C3=8", "R0C0=8", "R5C4=7", "R8C1=9", "R7C8=3", "R2C2=9", "R2C8=4", "R2C1=3", "R0C5=3", "R1C3=4", "R2C0=7", "R1C0=2", "R8C5=4", "R6C7=6", "R8C2=2", "R3C0=9", "R6C4=8", "R1C2=6", "R5C0=5", "R6C5=7", "R0C7=9", "R4C7=1" ]
822
204001708080600030005907001060090510000000043041002600009700000510300280873005004
294531768187624935635987421768493512952176843341852679429718356516349287873265194
backtracking
[ "R3C8=2", "R4C1=5", "R8C7=9", "R5C4=5", "R8C4=6", "R5C3=8", "R3C0=7", "R3C5=3", "R7C8=7", "R0C7=6", "R6C4=1", "R1C4=2", "R5C0=3", "R2C6=4", "R4C2=2", "R3C2=8", "R4C0=9", "R7C2=6", "R5C7=7", "R6C6=3", "R1C5=4", "R6C0=4", "R2C1=3", "R0C1=9", "R8C6=1", "R1C6=9", "R1C2=7", "R6C8=6", "R6C1=2", "R6C7=5", "R2C4=8", "R4C4=7", "R2C0=6", "R3C3=4", "R1C0=1", "R6C5=8", "R4C3=1", "R5C8=9", "R8C3=2", "R0C4=3", "R7C5=9", "R2C7=2", "R7C4=4", "R1C8=5", "R4C6=8", "R4C5=6", "R0C3=5" ]
823
700510090604029800000600457070030180418000006532060700000805034820000900009071000
783514692654729813291683457976432185418957326532168749167895234825346971349271568
constraint_programming
[ "R7C8=1", "R3C3=4", "R6C1=6", "R7C2=5", "R3C0=9", "R8C6=5", "R5C5=8", "R0C5=4", "R7C4=4", "R7C7=7", "R8C8=8", "R3C8=5", "R4C5=7", "R1C8=3", "R0C8=2", "R1C7=1", "R6C0=1", "R5C7=4", "R5C8=9", "R1C3=7", "R6C4=9", "R6C6=2", "R2C2=1", "R4C7=2", "R2C0=2", "R4C3=9", "R1C1=5", "R2C4=8", "R8C7=6", "R5C3=1", "R0C6=6", "R8C1=4", "R2C1=9", "R0C2=3", "R7C5=6", "R8C0=3", "R4C4=5", "R6C2=7", "R7C3=3", "R3C2=6", "R4C6=3", "R3C5=2", "R0C1=8", "R2C5=3", "R8C3=2" ]
824
004570030603900005080020009029704801500300070140050000056280300000017000900000204
294576138613948725785123649329764851568391472147852963456289317832417596971635284
backtracking
[ "R1C1=1", "R5C6=9", "R3C7=5", "R2C5=3", "R7C0=8", "R5C8=3", "R0C0=2", "R8C1=7", "R7C1=3", "R8C2=1", "R0C1=9", "R1C6=7", "R4C6=4", "R5C2=7", "R7C3=4", "R4C1=6", "R2C6=6", "R2C3=1", "R1C5=8", "R6C7=1", "R6C5=9", "R0C5=6", "R4C5=1", "R3C4=6", "R2C2=5", "R4C4=9", "R5C5=2", "R5C7=6", "R1C7=2", "R2C7=4", "R8C4=3", "R2C0=7", "R4C8=2", "R8C3=6", "R0C8=8", "R6C8=7", "R7C7=9", "R6C0=4", "R0C6=1", "R5C3=8", "R8C5=5", "R4C2=8", "R7C6=5", "R3C0=3", "R7C2=2", "R1C4=4", "R7C8=6", "R8C7=8" ]
825
003100000049802001000060304005709000000001078070650000031040050820900600054008029
763194285549832761182567394215789436396421578478653912931246857827915643654378129
constraint_programming
[ "R3C4=8", "R8C4=7", "R2C5=7", "R2C0=1", "R2C3=5", "R3C1=1", "R7C2=7", "R0C4=9", "R5C7=1", "R3C7=3", "R1C0=5", "R1C4=3", "R6C6=8", "R4C2=6", "R7C4=1", "R0C7=8", "R5C8=2", "R8C6=1", "R1C7=6", "R4C6=5", "R3C0=2", "R0C8=5", "R3C6=4", "R8C3=3", "R0C6=2", "R5C5=3", "R7C8=3", "R2C1=8", "R5C0=4", "R4C3=4", "R4C4=2", "R0C1=6", "R1C6=7", "R6C5=6", "R2C2=2", "R7C7=4", "R5C2=8", "R0C0=7", "R6C0=9", "R0C5=4", "R6C8=7", "R6C3=2", "R7C5=5", "R4C1=9", "R5C6=9", "R8C0=6", "R3C8=6", "R2C7=9", "R4C0=3" ]
826
040210530350070002018000600700500400400067028020800060000050910071600003060930040
647218539359476182218395674786523491495167328123849765834752916971684253562931847
backtracking
[ "R0C2=7", "R1C7=8", "R1C3=4", "R7C7=5", "R1C6=1", "R3C5=3", "R4C6=3", "R2C3=3", "R2C7=7", "R3C7=9", "R3C8=1", "R8C5=1", "R1C5=6", "R3C4=2", "R4C2=5", "R1C2=9", "R6C1=3", "R3C1=8", "R6C0=8", "R8C2=2", "R7C6=2", "R6C5=2", "R7C4=8", "R8C8=7", "R3C2=6", "R2C5=5", "R8C6=8", "R2C8=4", "R7C0=9", "R8C0=5", "R2C0=2", "R6C8=6", "R6C3=7", "R6C2=4", "R4C1=9", "R5C6=7", "R7C5=4", "R0C0=6", "R2C4=9", "R5C2=3", "R5C4=4", "R0C8=9", "R5C8=5", "R5C0=1", "R5C5=9", "R4C3=1", "R0C5=8" ]
827
000009260528000000610007000800710090070090450034056010700600039005002004460071800
347589261528163947619427583856714392271398456934256718782645139195832674463971825
constraint_programming
[ "R1C4=6", "R3C8=2", "R5C3=2", "R0C2=7", "R7C1=9", "R5C0=9", "R3C2=6", "R7C7=7", "R0C1=4", "R8C3=9", "R2C8=3", "R5C8=8", "R1C7=4", "R2C3=4", "R4C0=2", "R8C2=3", "R3C6=3", "R4C5=8", "R1C8=7", "R8C7=2", "R1C5=3", "R6C6=1", "R5C6=7", "R3C5=4", "R1C6=9", "R7C4=3", "R8C8=5", "R3C1=5", "R0C0=3", "R2C2=9", "R2C4=2", "R0C4=8", "R7C6=6", "R6C5=5", "R0C8=1", "R6C4=4", "R0C3=5", "R1C3=1", "R7C0=1", "R7C3=8", "R6C1=8", "R6C2=2", "R2C7=8", "R4C3=3", "R4C8=6", "R2C6=5", "R4C2=1" ]
828
930046070040910002106008005000500017403020090870000000000007201002830050500100604
935246178748915362126378945269583417453721896871469523394657281612834759587192634
backtracking
[ "R8C1=8", "R2C7=4", "R8C5=2", "R3C5=3", "R5C4=6", "R5C8=3", "R2C3=3", "R1C6=3", "R7C5=4", "R4C5=1", "R1C5=5", "R3C1=6", "R5C3=4", "R6C7=8", "R7C8=9", "R7C0=6", "R0C6=1", "R6C0=3", "R5C5=9", "R0C8=8", "R8C2=7", "R3C2=9", "R8C7=3", "R4C8=6", "R3C6=4", "R3C0=2", "R1C2=8", "R6C2=4", "R4C6=8", "R5C7=2", "R1C7=6", "R5C2=1", "R0C2=5", "R6C3=6", "R4C1=5", "R0C3=2", "R2C1=2", "R8C4=9", "R1C0=7", "R5C6=5", "R4C3=7", "R6C1=9", "R7C6=7", "R7C1=1", "R3C4=8", "R2C6=9", "R6C4=5", "R2C4=7" ]
829
942000500080600001500084070090037050601029000708140000400050800000000209003901600
942713568387695421516284973294837156631529784758146392469352817175468239823971645
backtracking
[ "R4C6=7", "R3C0=2", "R1C6=4", "R5C8=2", "R1C0=3", "R8C0=8", "R0C7=6", "R5C5=6", "R7C5=8", "R2C6=9", "R6C1=6", "R1C4=9", "R2C2=6", "R7C2=5", "R0C5=3", "R3C6=1", "R5C7=9", "R6C3=3", "R6C7=1", "R4C3=5", "R7C1=7", "R1C5=5", "R7C4=6", "R2C1=1", "R0C8=8", "R3C8=6", "R6C8=7", "R4C1=3", "R4C8=4", "R6C2=9", "R8C8=5", "R4C7=8", "R7C3=4", "R5C1=5", "R1C2=7", "R7C7=3", "R5C6=3", "R8C1=2", "R3C3=8", "R6C5=2", "R7C0=1", "R8C7=4", "R0C4=1", "R3C2=4", "R8C4=7", "R1C7=2", "R0C3=7", "R2C3=2", "R2C8=3" ]
830
000009480605280007490500030003170004800006000042000760000090250070003109019602800
721369485635284917498517632963178524857426391142935768384791256276853149519642873
backtracking
[ "R8C0=5", "R4C3=4", "R4C6=3", "R6C3=7", "R8C8=3", "R2C5=7", "R7C4=5", "R0C0=7", "R4C8=1", "R3C6=5", "R7C7=4", "R5C3=9", "R0C8=5", "R3C5=8", "R6C1=8", "R4C2=7", "R4C1=5", "R2C8=2", "R8C4=4", "R3C1=6", "R1C1=3", "R0C2=1", "R7C3=8", "R7C0=2", "R7C2=6", "R6C2=4", "R1C6=9", "R6C0=3", "R4C4=2", "R0C1=2", "R3C0=9", "R1C7=1", "R1C5=4", "R0C4=6", "R0C3=3", "R2C6=6", "R4C7=9", "R5C5=5", "R8C7=7", "R5C0=1", "R5C4=3", "R5C8=8", "R6C5=1", "R2C4=1", "R2C2=8", "R6C8=6", "R3C7=2" ]
831
000000090080053702030810000805702049290000006007300080120009400500030067009604005
751426893684953712932817654815762349293148576467395281126579438548231967379684125
backtracking
[ "R3C4=6", "R6C4=7", "R5C4=9", "R8C6=1", "R2C7=5", "R8C7=2", "R5C8=1", "R4C2=3", "R0C2=1", "R0C6=8", "R5C0=4", "R6C2=6", "R0C8=3", "R1C3=9", "R2C8=4", "R6C3=5", "R4C3=1", "R4C7=7", "R0C5=6", "R0C1=5", "R8C1=7", "R8C4=8", "R8C0=3", "R1C7=1", "R6C8=8", "R5C1=6", "R2C6=6", "R3C6=3", "R7C6=9", "R0C0=7", "R4C4=4", "R4C5=8", "R7C5=1", "R7C2=8", "R5C6=2", "R3C1=1", "R5C5=5", "R0C4=2", "R6C7=3", "R0C3=4", "R2C0=9", "R2C2=2", "R1C2=4", "R1C0=6", "R7C3=2", "R2C5=7", "R7C1=4", "R4C6=5" ]
832
200001400074025000050700980300000096780300200100542300028000035036007000000090864
293681457874925613651734982342178596785369241169542378928416735436857129517293864
backtracking
[ "R0C3=6", "R2C4=3", "R3C3=1", "R1C8=3", "R7C8=9", "R4C7=4", "R5C2=9", "R1C3=9", "R8C3=2", "R7C7=2", "R3C5=8", "R1C7=1", "R5C7=7", "R1C0=8", "R0C7=5", "R4C4=6", "R6C0=9", "R6C5=6", "R0C8=7", "R7C3=8", "R3C4=7", "R8C5=3", "R1C6=6", "R6C4=1", "R2C2=1", "R7C4=5", "R7C6=1", "R8C0=5", "R2C5=4", "R3C6=5", "R0C4=8", "R6C3=4", "R7C0=4", "R0C2=3", "R4C8=1", "R8C1=1", "R3C1=4", "R6C6=7", "R2C0=6", "R8C2=7", "R5C8=8", "R5C1=6", "R4C5=9", "R3C2=2", "R0C1=9", "R2C8=2", "R4C2=5" ]
833
900000600030078004000350027002004700598027000607105800000000068800061409004200130
975412683236978514481356927312894756598627341647135892159743268823561479764289135
constraint_programming
[ "R6C6=2", "R5C8=2", "R3C1=1", "R1C0=2", "R4C8=1", "R3C3=8", "R3C0=3", "R6C4=4", "R8C0=7", "R0C8=3", "R2C2=1", "R0C7=8", "R1C3=9", "R8C5=9", "R0C5=2", "R2C0=4", "R2C5=6", "R5C4=3", "R5C7=9", "R3C4=9", "R7C1=2", "R0C3=4", "R7C2=3", "R7C7=7", "R0C2=5", "R4C6=3", "R0C4=1", "R3C8=6", "R8C4=8", "R6C0=1", "R6C2=9", "R5C1=4", "R3C7=5", "R8C8=5", "R2C1=8", "R4C7=4", "R1C2=6", "R8C1=6", "R7C3=5", "R4C3=6", "R1C7=1", "R1C6=5", "R6C1=5", "R6C3=7", "R0C1=7", "R2C6=9", "R6C5=3" ]
834
200000003540008690800072000065030270009400805120090060001005900004780106730100040
216954783547318692893672451465831279379426815128597364681245937954783126732169548
backtracking
[ "R1C2=7", "R6C3=2", "R7C5=3", "R3C8=9", "R6C0=6", "R0C1=1", "R2C6=4", "R8C6=5", "R5C3=5", "R7C1=5", "R5C2=8", "R8C8=8", "R8C4=6", "R2C8=1", "R0C3=9", "R3C5=1", "R2C2=3", "R8C2=2", "R2C3=6", "R5C8=4", "R6C7=3", "R3C3=8", "R6C8=7", "R4C4=2", "R6C4=4", "R8C5=9", "R0C4=5", "R1C8=2", "R5C5=7", "R4C1=7", "R3C0=4", "R4C5=6", "R7C7=2", "R7C0=9", "R1C4=1", "R1C3=3", "R2C7=5", "R6C1=8", "R5C6=3", "R0C6=7", "R0C7=8", "R0C5=4", "R4C7=1", "R0C2=6", "R4C0=3", "R2C1=9" ]
835
190600020032080000007000010000006590450007200210009084043700000080500036600140870
194675328532981647867234915378426591459817263216359784943768152781592436625143879
backtracking
[ "R8C2=5", "R8C1=2", "R0C8=8", "R1C0=5", "R8C5=3", "R1C3=9", "R1C5=1", "R7C5=2", "R5C3=3", "R3C4=2", "R4C8=3", "R2C6=9", "R7C4=9", "R4C3=8", "R1C7=4", "R7C6=4", "R4C2=9", "R0C2=4", "R4C7=6", "R6C0=9", "R2C3=2", "R5C6=7", "R3C8=1", "R6C7=5", "R1C8=7", "R2C0=8", "R2C4=3", "R3C0=3", "R6C6=1", "R2C8=5", "R0C4=7", "R8C8=9", "R6C4=6", "R1C6=6", "R2C5=4", "R7C0=7", "R5C4=5", "R2C1=6", "R0C6=3", "R3C3=4", "R5C2=6", "R6C8=2", "R3C2=8", "R0C5=5", "R3C1=7", "R7C2=1", "R4C4=1", "R6C5=8" ]
836
200041600905200704047003820060002418030590007708000005100809000000060003054100000
283741659915286734647953821569372418431598267728614395176839542892465173354127986
backtracking
[ "R2C4=5", "R0C1=8", "R4C5=8", "R4C6=2", "R3C0=5", "R5C4=1", "R0C3=7", "R3C2=9", "R5C7=9", "R5C3=6", "R3C4=7", "R8C6=9", "R0C8=9", "R2C3=9", "R4C2=1", "R5C1=2", "R8C4=2", "R0C2=3", "R6C1=7", "R5C6=3", "R2C0=6", "R7C2=2", "R8C8=6", "R6C4=3", "R7C3=4", "R7C7=7", "R8C7=8", "R1C1=1", "R3C3=3", "R8C0=3", "R5C5=4", "R2C8=1", "R8C5=7", "R4C0=4", "R6C6=5", "R1C5=6", "R1C7=3", "R6C7=4", "R0C7=5", "R4C7=6", "R1C4=8", "R6C2=6", "R6C8=2", "R7C6=1", "R7C5=5", "R7C0=8", "R7C1=9" ]
837
400000307851400000002090010109007200080050046060320190930700050605140003000008620
496215387851473962372896514149687235283951746567324198938762451625149873714538629
backtracking
[ "R0C3=2", "R7C7=7", "R5C8=8", "R3C7=3", "R1C7=6", "R8C3=5", "R8C4=3", "R7C1=2", "R0C4=1", "R5C5=4", "R6C6=4", "R7C5=9", "R4C0=2", "R4C2=3", "R3C1=4", "R1C4=7", "R2C6=5", "R8C2=4", "R3C8=5", "R1C5=3", "R2C3=8", "R2C5=6", "R7C6=8", "R0C5=5", "R2C8=4", "R1C8=2", "R0C7=8", "R6C4=6", "R8C8=9", "R8C0=7", "R2C0=3", "R0C2=6", "R6C2=8", "R4C3=9", "R3C4=8", "R4C6=7", "R0C1=9", "R1C6=9", "R6C5=2", "R2C1=7", "R5C0=5", "R5C2=7", "R8C1=1", "R4C5=1", "R3C3=6", "R6C8=1" ]
838
005920708800051200030007410090000850704006100053000006000109070300070000060804509
415923768876451293932687415691342857784596132253718946528169374349275681167834529
backtracking
[ "R7C8=1", "R3C0=6", "R3C8=7", "R4C8=2", "R0C5=3", "R4C4=9", "R4C7=3", "R5C7=4", "R2C0=9", "R7C2=9", "R6C4=6", "R5C5=8", "R6C8=4", "R5C3=7", "R3C3=3", "R3C2=1", "R5C6=9", "R1C2=6", "R2C8=5", "R0C0=4", "R2C3=6", "R8C7=2", "R1C8=3", "R5C0=2", "R8C0=1", "R6C0=5", "R7C5=5", "R6C6=3", "R7C6=6", "R7C7=8", "R4C1=8", "R5C4=1", "R3C5=2", "R6C1=2", "R0C7=6", "R7C1=4", "R4C3=5", "R2C4=8", "R8C2=7", "R8C4=3", "R7C3=2", "R1C7=9", "R0C1=1", "R1C1=7", "R2C2=2", "R1C3=4", "R6C2=8", "R3C4=4" ]
839
809020007350007006000549000002065900060014820501800003037000609040008010090200350
819623547354187296726549138482365971963714825571892463237451689645938712198276354
backtracking
[ "R6C4=5", "R5C6=4", "R4C2=3", "R3C3=3", "R7C6=7", "R3C7=7", "R3C0=4", "R6C0=2", "R0C1=1", "R2C8=8", "R2C6=1", "R5C5=2", "R4C0=9", "R7C0=6", "R4C8=5", "R6C3=4", "R6C5=1", "R0C7=4", "R3C1=8", "R8C2=8", "R6C7=8", "R7C8=2", "R1C7=9", "R1C2=4", "R1C3=1", "R8C4=7", "R7C4=3", "R4C3=7", "R5C7=6", "R2C0=7", "R7C3=9", "R0C3=6", "R1C6=2", "R3C8=1", "R8C0=1", "R5C1=7", "R0C6=5", "R1C4=8", "R0C5=3", "R2C7=3", "R8C8=4", "R7C2=5", "R2C2=6", "R8C5=6", "R2C1=2", "R5C4=9" ]
840
150000700900300462002007000040862009000000800070490005005200080690708103300140600
153624798987315462462987531541862379239571846876493215715236984694758123328149657
backtracking
[ "R2C3=9", "R4C0=2", "R6C5=6", "R5C2=6", "R6C8=4", "R2C8=1", "R4C5=1", "R6C1=1", "R0C2=3", "R0C4=2", "R1C1=8", "R0C5=4", "R4C7=4", "R2C1=6", "R8C7=5", "R0C3=6", "R2C6=5", "R8C1=2", "R4C8=6", "R4C2=9", "R2C7=3", "R4C4=7", "R1C5=5", "R3C0=5", "R5C6=2", "R2C4=8", "R1C2=7", "R8C2=8", "R7C2=4", "R5C0=8", "R7C7=2", "R8C5=9", "R5C5=3", "R0C7=9", "R3C2=1", "R8C8=7", "R1C4=1", "R7C4=5", "R4C1=3", "R3C7=7", "R3C6=3", "R6C6=9", "R4C3=5", "R0C8=8", "R5C7=1", "R6C4=3", "R6C0=7", "R2C0=4" ]
841
002000015704103090005087300000040069900001030603070200070002600050060008080900401
832496715764153892195287346527348169948621537613579284479812653351764928286935471
backtracking
[ "R8C4=3", "R0C0=8", "R3C1=2", "R4C2=8", "R5C3=5", "R6C8=3", "R7C7=2", "R6C4=1", "R0C6=7", "R2C3=2", "R0C3=4", "R8C0=2", "R5C8=4", "R6C7=5", "R7C5=4", "R2C1=9", "R0C4=9", "R4C3=6", "R8C2=6", "R7C3=7", "R3C5=8", "R5C5=9", "R4C4=2", "R2C7=4", "R0C5=6", "R6C3=8", "R4C6=5", "R2C0=1", "R7C6=9", "R5C1=1", "R7C2=1", "R1C6=8", "R3C3=3", "R6C2=9", "R1C4=5", "R3C2=7", "R4C1=4", "R4C8=7", "R2C8=6", "R3C6=1", "R8C7=7", "R5C7=8", "R8C5=5", "R6C0=4", "R1C8=2", "R1C1=6", "R7C0=3", "R0C1=3", "R3C0=5" ]
842
075930100080507090300020800120300940007481650600000000000009210001046030840070000
475938126286517493319624875128365947937481652654792381763859214591246738842173569
backtracking
[ "R3C5=5", "R6C1=6", "R0C0=4", "R5C8=1", "R1C0=2", "R8C2=2", "R8C8=9", "R8C6=5", "R1C4=1", "R4C0=9", "R6C3=8", "R8C3=1", "R8C7=6", "R7C8=8", "R1C8=3", "R4C1=3", "R3C2=8", "R5C5=2", "R2C7=7", "R5C7=8", "R7C6=7", "R2C1=1", "R3C8=7", "R4C8=2", "R8C5=3", "R1C6=4", "R2C3=6", "R7C0=5", "R2C2=9", "R1C2=6", "R6C0=7", "R6C8=4", "R5C2=4", "R3C4=6", "R5C6=3", "R0C8=6", "R7C3=2", "R2C5=4", "R6C2=3", "R7C1=9", "R5C1=5", "R5C3=7", "R2C8=5", "R5C4=9", "R0C5=8", "R6C4=5", "R0C7=2" ]
843
037096000000000602006850040200040007970308004500100280018960000009507001050401306
437296158895714632126853749283645917971328564564179283318962475649537821752481396
backtracking
[ "R5C1=6", "R7C4=3", "R4C4=2", "R2C0=1", "R3C6=9", "R6C5=2", "R0C3=2", "R0C7=5", "R3C1=8", "R8C4=8", "R0C8=8", "R5C2=4", "R8C0=7", "R6C8=5", "R1C2=5", "R4C2=1", "R6C0=3", "R5C5=9", "R2C1=2", "R8C7=9", "R4C7=6", "R3C3=6", "R1C5=4", "R6C6=4", "R7C0=6", "R7C6=8", "R3C2=3", "R5C8=3", "R4C6=5", "R1C7=3", "R1C0=8", "R6C7=7", "R2C5=3", "R0C6=1", "R7C1=4", "R2C8=9", "R1C1=9", "R0C0=4", "R1C4=1", "R8C2=2", "R5C4=7", "R3C5=5", "R2C6=7", "R7C7=2", "R1C3=7", "R3C7=1" ]
844
904003800080602300006004170860490003700000092040000560003700050270150000001030980
914573826587612349326984175862495713735861492149327568693748251278159634451236987
backtracking
[ "R7C8=4", "R8C0=4", "R6C4=4", "R5C5=7", "R0C4=7", "R5C0=1", "R0C1=1", "R2C3=9", "R7C2=8", "R8C5=6", "R6C8=1", "R4C5=1", "R5C3=3", "R4C1=3", "R1C2=7", "R4C4=6", "R4C6=4", "R3C7=1", "R1C8=9", "R5C2=9", "R2C0=3", "R3C5=5", "R4C2=5", "R8C8=7", "R3C2=2", "R6C5=8", "R7C5=9", "R6C6=2", "R1C0=5", "R6C1=9", "R3C6=7", "R0C8=6", "R8C3=2", "R1C7=4", "R5C4=2", "R0C7=2", "R6C0=6", "R1C4=1", "R2C8=5", "R7C7=3", "R5C8=8", "R0C3=5", "R8C1=5", "R7C6=6", "R4C3=8", "R2C4=8", "R2C1=2" ]
845
000004105058020003700080942602010000070300506009078000300109670086030409040050200
293764185458921763761583942632415897874392516519678324325149678186237459947856231
constraint_programming
[ "R5C3=6", "R8C5=6", "R8C7=3", "R0C2=3", "R4C2=4", "R1C6=7", "R1C3=9", "R4C7=1", "R3C1=3", "R2C5=3", "R1C0=4", "R5C6=3", "R6C8=8", "R5C7=2", "R5C1=1", "R6C4=4", "R8C3=8", "R4C5=2", "R0C4=6", "R0C0=2", "R6C1=2", "R0C7=8", "R5C0=5", "R0C3=7", "R3C6=8", "R4C0=8", "R3C3=4", "R0C1=9", "R1C7=6", "R3C8=7", "R7C0=1", "R8C8=1", "R7C7=5", "R7C5=7", "R8C0=9", "R2C1=6", "R4C4=9", "R8C2=7", "R7C3=2", "R2C3=5", "R3C7=9", "R6C2=5", "R3C5=5", "R5C8=4", "R2C2=1", "R1C5=1" ]
846
765080023200400105000000090610920004040608000008500307800017900090060030001200850
765189423289436175134752698617923584543678219928541367856317942492865731371294856
constraint_programming
[ "R2C1=3", "R3C7=8", "R4C6=2", "R7C8=1", "R7C3=8", "R0C6=4", "R2C3=7", "R0C5=9", "R8C5=4", "R1C5=6", "R5C0=9", "R8C0=3", "R3C6=5", "R8C4=9", "R2C2=4", "R6C7=4", "R7C6=7", "R2C0=1", "R5C5=1", "R5C7=6", "R4C0=5", "R7C5=5", "R6C3=3", "R6C1=5", "R7C2=2", "R1C2=9", "R7C0=4", "R1C1=8", "R4C4=7", "R6C2=6", "R4C8=9", "R8C8=6", "R2C5=2", "R5C1=2", "R3C2=7", "R8C1=7", "R4C7=1", "R1C4=3", "R2C6=6", "R5C4=4", "R4C2=3", "R2C8=8", "R1C7=7", "R3C5=3", "R2C4=5", "R6C8=2", "R0C3=1" ]
847
040167002123000070090030005300094600610020308800010500280600091060009800000500004
548167932123958476796432185352894617619725348874316529285643791461279853937581264
constraint_programming
[ "R4C2=9", "R1C6=4", "R7C4=7", "R3C3=8", "R2C7=8", "R6C2=5", "R7C7=5", "R8C7=6", "R6C5=3", "R7C2=1", "R7C3=2", "R4C3=7", "R6C4=4", "R2C0=7", "R5C2=4", "R8C4=8", "R4C5=5", "R2C6=1", "R3C8=7", "R2C5=2", "R1C8=6", "R3C7=1", "R7C0=4", "R6C6=7", "R1C4=5", "R5C3=3", "R8C0=9", "R5C1=7", "R8C6=2", "R3C1=5", "R8C2=7", "R7C8=3", "R8C1=3", "R2C2=6", "R1C3=9", "R4C7=4", "R0C2=8", "R8C5=1", "R0C7=3", "R0C6=9", "R0C0=5", "R5C8=9", "R2C3=4", "R5C7=2", "R3C2=2", "R1C5=8", "R5C5=6" ]
848
004020001380000960010700080005364000700000103000009025600900470900850000870010309
594628731387541962216793584125364897769285143438179625651932478943857216872416359
backtracking
[ "R0C6=7", "R2C6=5", "R7C6=2", "R1C8=2", "R5C3=1", "R6C8=8", "R5C2=8", "R8C2=2", "R5C6=6", "R4C3=2", "R2C8=4", "R6C4=3", "R7C1=4", "R5C1=3", "R1C4=4", "R6C5=2", "R6C2=1", "R1C2=7", "R1C5=1", "R5C4=7", "R7C8=6", "R0C0=5", "R2C2=6", "R7C5=7", "R8C7=5", "R4C2=9", "R0C5=8", "R0C3=6", "R8C3=4", "R3C7=9", "R2C4=9", "R1C3=5", "R6C1=5", "R4C1=6", "R5C0=4", "R2C0=2", "R3C0=1", "R8C5=6", "R0C7=3", "R3C6=8", "R4C5=5", "R0C1=9", "R7C7=1", "R7C2=3", "R3C1=2", "R3C8=7", "R2C5=3", "R4C4=8", "R4C7=4" ]
849
080790250000050006026841009094070080008000010070602004700300025102500070040000003
483796251917253846526841739694175382258439617371682594769318425132564978845927163
backtracking
[ "R3C0=6", "R3C5=5", "R4C6=6", "R5C0=3", "R1C3=2", "R1C6=8", "R6C5=8", "R8C4=2", "R1C2=7", "R0C5=6", "R4C5=9", "R3C6=3", "R6C4=1", "R5C6=5", "R5C2=1", "R4C1=5", "R8C2=5", "R3C8=2", "R5C7=9", "R0C8=1", "R7C8=8", "R2C7=3", "R5C4=8", "R7C1=3", "R7C5=4", "R8C6=1", "R8C0=8", "R2C6=7", "R1C0=9", "R6C2=9", "R2C0=5", "R6C1=6", "R8C7=6", "R1C1=1", "R3C3=1", "R8C3=9", "R0C0=4", "R7C6=9", "R0C2=3", "R4C4=3", "R4C3=4", "R1C7=4", "R4C8=7", "R6C6=4", "R1C5=3", "R8C5=7", "R7C4=6", "R4C0=2" ]
850
840905100003802500009000064506130000090006041030090002002010007000403000480027905
847965123613842579259371864526134798798256341134798652362519487975483216481627935
backtracking
[ "R4C6=3", "R7C8=6", "R3C1=2", "R1C8=9", "R7C1=7", "R0C8=3", "R6C1=6", "R5C3=7", "R7C2=5", "R5C0=1", "R5C6=6", "R4C3=2", "R2C1=5", "R8C2=1", "R2C5=1", "R0C4=6", "R3C6=7", "R7C0=9", "R2C0=2", "R7C7=1", "R1C4=4", "R8C3=6", "R1C7=7", "R0C2=7", "R4C2=8", "R3C7=9", "R6C3=5", "R2C4=7", "R4C4=5", "R1C0=6", "R2C3=3", "R3C5=4", "R5C2=4", "R0C7=2", "R6C7=8", "R8C7=3", "R6C5=9", "R3C8=8", "R6C6=4", "R7C6=2", "R4C0=7", "R7C4=8", "R5C5=8", "R6C0=3", "R1C1=1", "R5C7=5", "R2C6=8" ]
851
063240000005187003900006700098004035000030019500000870812000500000710004040098600
763249158425187963981356742198674235276835419534921876812463597659712384347598621
constraint_programming
[ "R0C7=5", "R6C5=3", "R1C7=6", "R4C5=5", "R5C8=6", "R3C4=7", "R4C3=8", "R2C2=1", "R2C4=5", "R2C3=3", "R8C2=7", "R5C3=9", "R5C5=1", "R6C4=6", "R4C6=4", "R0C6=1", "R0C0=7", "R7C6=3", "R2C7=4", "R8C8=1", "R1C6=9", "R5C4=2", "R5C2=4", "R8C3=5", "R1C1=2", "R3C0=1", "R3C3=6", "R0C5=9", "R6C3=4", "R5C1=3", "R4C0=2", "R7C5=2", "R8C0=3", "R4C1=7", "R4C2=6", "R8C7=2", "R7C0=6", "R7C2=9", "R2C8=2", "R1C0=4", "R0C8=8", "R3C6=2", "R6C8=7", "R7C7=8", "R6C7=9", "R2C1=8", "R7C1=5" ]
852
725609000000030900010054008000000061340705000091008007087300500100000204632001089
725689143864137925913254678578923461346715892291468357487392516159876234632541789
constraint_programming
[ "R2C3=2", "R1C7=2", "R7C1=5", "R4C7=9", "R3C5=3", "R5C0=2", "R0C7=4", "R3C3=9", "R2C0=9", "R1C3=1", "R0C8=3", "R5C4=6", "R0C4=8", "R5C7=5", "R1C1=6", "R4C8=2", "R7C5=6", "R7C2=9", "R4C2=6", "R3C0=5", "R7C7=3", "R5C6=3", "R2C2=3", "R3C6=4", "R1C5=7", "R6C0=4", "R0C6=1", "R7C4=7", "R4C4=1", "R1C8=5", "R8C4=4", "R2C7=7", "R2C6=6", "R8C6=7", "R6C5=2", "R1C2=4", "R5C3=4", "R6C4=9", "R3C2=8", "R7C3=8", "R1C0=8", "R6C7=1", "R3C4=2", "R8C3=5", "R3C1=7", "R6C8=6", "R4C6=8" ]
853
035927001001003400200006007603070000090000020040800300008040600906100050120059080
435927861761583492289416537613275948897364125542891376358742619976138254124659783
backtracking
[ "R7C1=7", "R6C8=9", "R5C7=7", "R1C7=9", "R2C1=8", "R1C0=7", "R4C3=3", "R5C4=9", "R3C1=1", "R2C6=5", "R7C4=3", "R0C7=6", "R8C2=4", "R4C0=8", "R6C0=3", "R5C5=1", "R7C5=8", "R5C2=2", "R2C4=1", "R3C6=9", "R7C8=4", "R6C5=2", "R1C1=6", "R2C7=3", "R4C6=1", "R3C7=4", "R5C8=6", "R1C8=2", "R2C3=4", "R6C7=1", "R0C0=4", "R3C8=8", "R5C0=5", "R8C6=7", "R0C6=8", "R8C3=6", "R4C5=4", "R1C3=5", "R7C6=2", "R3C3=2", "R4C2=7", "R4C4=6", "R4C8=5", "R6C1=5", "R2C2=9", "R6C3=7", "R1C4=8", "R3C5=5", "R8C8=3" ]
854
050260009090001720400300610081075300007000152640000900008010400700046008300029000
153267849896451723472398615281975364937684152645132987528713496719546238364829571
backtracking
[ "R5C4=3", "R8C8=1", "R0C6=8", "R8C2=4", "R7C3=5", "R6C5=3", "R4C3=6", "R4C1=3", "R3C3=9", "R1C8=3", "R5C2=5", "R0C7=4", "R5C5=2", "R1C0=8", "R8C3=8", "R1C4=5", "R1C3=4", "R2C5=8", "R6C0=5", "R5C3=1", "R2C2=2", "R3C8=4", "R6C3=7", "R7C1=1", "R5C8=7", "R3C0=2", "R7C6=2", "R7C2=9", "R8C6=5", "R2C8=5", "R6C8=6", "R0C5=7", "R4C5=4", "R4C4=8", "R6C1=2", "R6C7=9", "R7C7=3", "R0C2=3", "R5C7=8", "R3C7=6", "R1C2=6", "R0C0=1", "R8C7=7", "R2C1=7", "R8C1=6", "R4C0=9", "R2C4=9" ]
855
839000400006100205000007080608095000100040600300018070000204160700950020040003009
839526417476189235512437986628795341157342698394618572985274163763951824241863759
backtracking
[ "R3C1=2", "R1C0=4", "R8C3=8", "R8C4=6", "R8C0=2", "R2C2=2", "R5C6=5", "R4C8=8", "R2C0=5", "R3C7=4", "R4C5=2", "R7C2=3", "R1C1=7", "R8C2=1", "R4C1=5", "R2C3=4", "R6C0=9", "R4C7=9", "R2C8=6", "R5C2=4", "R6C4=7", "R0C5=6", "R7C8=4", "R1C7=3", "R3C3=7", "R4C3=3", "R0C3=5", "R0C8=7", "R1C4=8", "R6C8=3", "R2C1=1", "R3C6=3", "R2C6=9", "R6C2=5", "R2C4=3", "R5C8=2", "R1C5=9", "R6C1=8", "R8C6=7", "R7C5=1", "R4C2=7", "R0C4=2", "R5C3=6", "R0C7=1", "R3C8=1", "R7C1=6", "R8C7=5", "R7C6=8", "R5C1=9" ]
856
480006039009020147007005000051900068708000000030100200600509001020800704004071300
482716539569328147317495682251937468748652913936184275673549821125863794894271356
constraint_programming
[ "R5C4=8", "R7C0=1", "R5C0=9", "R4C4=5", "R7C5=3", "R8C1=9", "R4C6=9", "R0C3=7", "R6C4=4", "R3C0=2", "R3C6=4", "R2C3=4", "R4C8=3", "R4C7=1", "R6C6=8", "R8C0=8", "R2C6=6", "R8C8=6", "R6C7=2", "R4C1=4", "R1C3=3", "R6C2=3", "R5C2=6", "R7C7=9", "R4C3=6", "R1C1=6", "R2C7=8", "R8C7=5", "R2C8=2", "R3C5=7", "R5C7=7", "R0C4=1", "R4C5=2", "R2C0=3", "R6C1=7", "R2C1=1", "R5C8=5", "R0C6=5", "R5C5=4", "R8C3=2", "R7C2=5", "R2C4=9", "R1C5=8", "R0C2=2", "R7C4=6", "R3C4=3", "R1C0=5" ]
857
080107004060095002002000503600040930100600000007000805004079000020083040093410078
385127694461395782972864513658742931139658427247931865814279356726583149593416278
backtracking
[ "R0C0=3", "R0C2=5", "R1C0=4", "R5C7=6", "R4C8=7", "R2C0=9", "R5C3=9", "R4C2=9", "R4C6=4", "R5C1=4", "R2C4=6", "R4C4=5", "R3C3=7", "R1C2=1", "R6C7=5", "R8C6=2", "R0C6=6", "R4C1=3", "R3C8=1", "R6C0=8", "R4C7=2", "R2C3=8", "R3C1=5", "R2C1=7", "R8C0=5", "R7C2=6", "R7C3=5", "R6C3=2", "R1C7=8", "R5C4=3", "R7C8=9", "R8C5=6", "R3C5=2", "R0C4=2", "R1C6=7", "R6C6=3", "R7C6=1", "R2C7=1", "R0C7=9", "R7C0=7", "R6C8=6", "R2C5=4", "R5C0=2", "R3C2=8", "R4C5=8", "R6C1=1", "R1C3=3", "R5C5=1" ]
858
090502400800000010203408670010700800006095030530200006008040905009003740100920008
791562483864379512253418679912736854486195237537284196378641925629853741145927368
backtracking
[ "R0C8=3", "R6C3=6", "R7C8=1", "R5C2=7", "R1C4=7", "R3C2=2", "R6C5=1", "R7C0=6", "R8C1=4", "R0C2=1", "R5C7=9", "R1C5=9", "R6C0=3", "R1C2=4", "R2C8=9", "R5C6=1", "R2C4=1", "R3C5=6", "R4C8=7", "R4C1=8", "R3C0=9", "R4C6=2", "R0C4=6", "R6C1=7", "R3C8=4", "R3C7=5", "R8C5=7", "R7C1=2", "R3C4=3", "R0C7=8", "R1C1=6", "R2C1=5", "R5C5=4", "R4C0=4", "R7C4=5", "R8C7=6", "R8C6=3", "R8C2=5", "R4C3=1", "R7C3=8", "R1C6=5", "R6C7=2", "R5C4=8", "R1C3=3", "R0C0=7", "R1C8=2" ]
859
051000029309000070000850006060230510700000300008401002040007000803126004205090080
651743829389612475427859136964238517712965348538471962146587293893126754275394681
backtracking
[ "R3C5=8", "R6C2=6", "R4C4=6", "R1C1=8", "R5C7=6", "R8C3=3", "R7C1=9", "R5C1=3", "R3C0=9", "R4C1=1", "R6C8=3", "R0C3=7", "R1C8=5", "R8C8=1", "R7C7=5", "R1C6=4", "R2C6=1", "R2C7=3", "R1C3=6", "R2C0=4", "R1C5=2", "R4C2=2", "R5C4=7", "R5C6=9", "R6C7=9", "R4C8=8", "R6C4=8", "R4C5=5", "R0C0=6", "R0C4=4", "R0C5=3", "R3C8=7", "R6C0=1", "R7C6=7", "R8C1=7", "R4C3=9", "R2C1=2", "R2C5=9", "R5C0=5", "R8C6=6", "R0C6=8", "R4C7=4", "R6C3=5", "R1C4=1", "R2C2=7", "R8C5=4", "R6C6=2", "R3C2=4" ]
860
154700600930005010802060009000032106500070084000100090005900420087500000090480370
154798632936245817872361549749832156513679284628154793365917428487523961291486375
backtracking
[ "R6C4=1", "R2C1=7", "R6C5=7", "R3C7=5", "R4C6=2", "R1C6=8", "R2C6=5", "R7C6=9", "R8C8=5", "R3C1=4", "R7C0=4", "R1C3=2", "R6C1=6", "R1C8=7", "R5C5=4", "R3C2=9", "R2C3=3", "R5C8=3", "R8C2=1", "R8C5=6", "R4C2=3", "R7C7=6", "R0C7=3", "R0C4=9", "R7C4=2", "R5C6=7", "R4C1=1", "R3C3=8", "R5C2=8", "R0C8=2", "R5C1=2", "R1C2=6", "R6C8=8", "R6C0=3", "R2C5=1", "R7C5=3", "R3C0=7", "R4C5=9", "R8C0=2", "R1C4=4", "R4C3=6", "R2C7=4", "R7C8=1", "R5C0=6", "R0C5=8", "R5C4=5" ]
861
024009010000005000801230064006002030080150007250870900900064058000390100738000006
524689713367415289891237564176942835489153627253876941912764358645398172738521496
constraint_programming
[ "R3C3=9", "R1C1=6", "R6C2=2", "R8C4=2", "R4C7=2", "R4C6=6", "R3C1=7", "R4C0=4", "R0C8=3", "R0C6=7", "R7C0=6", "R6C3=7", "R1C2=7", "R7C1=4", "R0C4=8", "R3C0=1", "R2C1=9", "R8C7=9", "R1C7=8", "R7C5=8", "R5C8=1", "R4C5=3", "R2C5=7", "R7C7=7", "R1C3=4", "R1C8=9", "R6C6=3", "R8C3=5", "R3C6=8", "R4C2=9", "R8C5=1", "R3C8=5", "R5C2=3", "R1C0=3", "R3C4=4", "R8C6=4", "R5C7=4", "R6C1=1", "R7C8=2", "R7C2=5", "R0C0=5", "R5C5=6", "R1C6=2", "R1C4=1", "R2C6=5", "R0C3=6" ]
862
180009000000020001007600035900000600673050028008340070010000507504067092002084010
185739264369425781427618935941872653673951428258346179816293547534167892792584316
constraint_programming
[ "R1C3=4", "R8C6=3", "R5C6=1", "R3C8=3", "R1C0=3", "R5C1=5", "R2C5=8", "R7C3=1", "R3C2=1", "R0C8=4", "R3C7=5", "R6C4=9", "R4C6=4", "R2C4=1", "R2C6=9", "R3C1=4", "R7C6=8", "R8C0=7", "R8C3=5", "R1C5=5", "R1C6=7", "R6C2=6", "R0C2=5", "R5C0=2", "R5C8=9", "R6C7=4", "R3C4=7", "R8C1=9", "R1C7=8", "R0C4=3", "R6C5=3", "R4C5=1", "R6C0=8", "R3C3=8", "R5C5=6", "R2C0=4", "R1C2=9", "R2C1=2", "R7C1=3", "R6C3=2", "R0C6=2", "R4C3=9", "R1C1=6", "R0C3=7", "R8C8=6", "R3C5=2", "R0C7=6" ]
863
200076010000850902600409300000003700300060050180700040010005090030208170420010000
298376415743851962651429387964583721372164859185792643817635294539248176426917538
constraint_programming
[ "R3C4=8", "R1C5=1", "R8C6=5", "R1C0=7", "R3C8=1", "R4C8=9", "R1C2=3", "R6C3=6", "R2C8=7", "R5C8=3", "R0C2=8", "R8C8=8", "R3C3=5", "R1C7=6", "R6C2=7", "R8C3=9", "R4C3=1", "R0C3=3", "R7C0=5", "R3C2=4", "R4C5=4", "R3C7=2", "R6C6=2", "R4C6=8", "R2C7=8", "R8C7=3", "R8C5=7", "R7C4=4", "R4C2=2", "R5C2=5", "R7C2=9", "R7C8=6", "R0C1=9", "R0C6=4", "R6C8=4", "R2C1=5", "R5C5=2", "R4C1=7", "R1C1=4", "R5C4=9", "R2C4=2", "R0C8=5", "R6C0=8", "R3C0=9", "R3C1=6", "R8C2=6", "R2C2=1", "R6C4=3", "R5C6=6" ]
864
470600100009050028503910060026400090708005400100000037000320600004190003800000070
472683159619754328583912764326471895798235416145869237957328641264197583831546972
backtracking
[ "R8C6=9", "R1C6=3", "R3C4=7", "R6C8=1", "R8C4=4", "R0C8=9", "R1C3=7", "R8C8=2", "R7C5=7", "R1C5=4", "R5C1=4", "R1C0=6", "R1C1=1", "R7C6=5", "R8C1=3", "R4C4=3", "R2C8=4", "R0C2=2", "R8C2=1", "R7C1=6", "R5C5=9", "R5C6=2", "R3C0=3", "R8C5=6", "R6C5=8", "R6C2=7", "R4C8=6", "R6C0=9", "R6C7=4", "R2C6=7", "R7C7=8", "R0C4=8", "R4C1=9", "R6C1=5", "R2C1=8", "R5C2=5", "R2C5=2", "R3C6=8", "R4C7=1", "R7C0=2", "R8C3=5", "R5C3=8", "R0C7=5", "R0C5=3", "R5C4=6", "R4C3=2", "R3C5=1", "R3C8=5" ]
865
305001060800060200094507800060910007080400050070200308000000014100035900702090603
325841769817369245694527831563918427289473156471256398936782514148635972752194683
constraint_programming
[ "R4C6=1", "R1C3=3", "R0C3=8", "R0C8=9", "R7C3=6", "R1C8=5", "R6C0=9", "R1C7=4", "R3C2=3", "R8C1=5", "R5C0=4", "R7C1=4", "R7C8=2", "R1C5=9", "R4C0=2", "R5C5=6", "R2C8=1", "R3C0=5", "R7C7=7", "R0C6=7", "R1C2=7", "R2C0=6", "R8C3=1", "R6C2=6", "R5C4=5", "R8C5=4", "R5C2=1", "R2C4=2", "R6C1=3", "R4C4=7", "R5C7=9", "R4C2=9", "R6C6=5", "R6C3=7", "R4C8=6", "R4C5=3", "R2C7=3", "R8C7=8", "R0C1=2", "R6C4=8", "R3C5=8", "R0C4=4", "R7C2=8", "R3C7=2", "R6C5=2", "R3C6=4", "R1C1=1" ]
866
301740800000092030006010205094000050600027008008900126405080013000003000802006700
321745869587692431946318275294861357613527948758934126475289613169473582832156794
backtracking
[ "R8C7=9", "R5C5=4", "R3C8=7", "R5C4=3", "R7C8=2", "R6C3=2", "R0C7=6", "R0C8=9", "R2C5=8", "R8C8=4", "R4C3=5", "R2C7=7", "R6C5=9", "R0C1=2", "R4C7=4", "R7C6=5", "R6C6=6", "R5C1=5", "R4C2=3", "R6C1=7", "R4C1=1", "R4C6=9", "R5C0=7", "R7C3=4", "R3C3=8", "R7C2=9", "R8C3=1", "R3C0=2", "R7C7=8", "R1C2=7", "R3C5=1", "R2C0=9", "R7C0=1", "R1C0=5", "R3C4=6", "R8C4=5", "R1C8=1", "R1C1=8", "R2C1=4", "R1C6=4", "R0C5=5", "R3C6=3", "R7C4=7", "R7C1=6", "R1C3=6", "R8C1=3", "R2C3=3" ]
867
500900340402005006900310000004108039208000570090506002007030054610007090000000008
581962347432785916976314825754128639268493571193576482827639154615847293349251768
backtracking
[ "R0C4=6", "R8C3=2", "R1C7=1", "R5C4=7", "R4C3=4", "R2C7=2", "R2C5=4", "R7C4=4", "R0C1=8", "R0C5=2", "R2C6=8", "R5C7=8", "R7C3=8", "R1C4=8", "R7C6=2", "R6C3=6", "R8C4=5", "R3C4=2", "R5C2=3", "R1C6=9", "R0C2=1", "R6C1=2", "R6C0=8", "R8C1=4", "R4C5=3", "R7C8=3", "R8C2=9", "R8C6=7", "R3C0=7", "R8C0=3", "R6C5=9", "R3C1=5", "R4C1=6", "R0C8=7", "R4C8=1", "R8C5=1", "R1C1=3", "R6C6=1", "R2C8=5", "R2C2=6", "R1C3=7", "R3C6=6", "R5C6=4", "R4C4=9", "R5C0=1", "R2C1=7", "R8C7=6", "R7C2=5" ]
868
050000076010093000248001030092068004600010050001300009005430700480006090003857200
359284176716593482248671935592768314634912857871345629125439768487126593963857241
backtracking
[ "R3C7=1", "R1C2=6", "R8C7=4", "R4C1=3", "R0C6=1", "R1C0=7", "R5C6=6", "R2C8=5", "R2C4=7", "R4C3=9", "R3C0=5", "R5C4=4", "R5C5=5", "R1C8=2", "R0C5=4", "R3C6=3", "R7C4=2", "R4C5=2", "R5C0=8", "R0C3=2", "R1C7=8", "R7C8=3", "R1C3=5", "R6C0=1", "R0C2=9", "R6C1=2", "R4C2=4", "R3C3=7", "R6C7=6", "R1C6=4", "R8C8=1", "R5C1=7", "R6C5=9", "R5C7=2", "R6C8=8", "R8C0=9", "R4C8=7", "R7C3=1", "R2C6=9", "R7C6=5", "R0C0=3", "R4C6=8", "R8C1=6", "R7C2=7", "R0C4=8", "R2C3=6" ]
869
900600200003004010010098675000020000069500127041087306300000080504031900020700040
987615234653274819412398675735126498869543127241987356396452781574831962128769543
backtracking
[ "R3C8=8", "R3C0=7", "R3C5=6", "R7C7=6", "R6C4=5", "R7C8=2", "R3C3=1", "R0C5=5", "R3C2=5", "R6C3=4", "R1C8=9", "R3C6=4", "R4C0=8", "R8C5=9", "R2C0=4", "R6C6=7", "R6C5=2", "R8C6=5", "R7C3=8", "R1C6=8", "R8C2=8", "R8C0=1", "R8C8=3", "R6C2=6", "R6C8=1", "R0C1=8", "R6C1=9", "R0C8=4", "R2C2=2", "R5C3=9", "R1C4=7", "R0C4=1", "R5C0=2", "R1C1=5", "R3C1=3", "R0C2=7", "R1C0=6", "R1C3=2", "R0C7=3", "R2C3=3", "R5C7=5", "R8C4=6", "R3C7=9", "R4C5=3", "R7C1=7", "R4C4=4" ]
870
800003902000067000500021078903076000001000000082304560308600457140000080020050109
876543912219867345534921678953176824461285793782394561398612457145739286627458139
constraint_programming
[ "R1C8=5", "R4C7=9", "R8C0=6", "R2C3=9", "R6C4=1", "R7C6=2", "R5C4=9", "R5C0=7", "R6C5=2", "R4C6=7", "R8C3=4", "R6C1=9", "R8C2=7", "R0C2=6", "R1C3=8", "R3C6=8", "R0C7=1", "R3C3=1", "R3C8=4", "R5C8=1", "R4C8=3", "R4C4=8", "R2C1=3", "R1C1=1", "R7C4=3", "R8C7=3", "R4C3=2", "R0C4=4", "R3C1=5", "R1C2=9", "R2C2=4", "R0C1=7", "R0C3=5", "R7C5=9", "R3C7=2", "R8C5=8", "R1C6=3", "R2C6=6", "R1C7=4", "R4C0=4", "R7C2=5", "R7C3=7", "R4C1=6", "R1C0=2", "R7C8=6", "R4C5=5" ]
871
100800560800007103006015040004020007300000904795000306009360000470090081500408000
147839562852647193936215748614923857328756914795184326289361475473592681561478239
backtracking
[ "R0C4=3", "R2C3=2", "R5C7=2", "R1C2=2", "R2C6=7", "R3C7=5", "R1C4=4", "R0C1=4", "R4C4=5", "R3C5=3", "R1C3=6", "R0C2=7", "R6C1=8", "R1C1=5", "R4C7=1", "R0C8=2", "R6C0=2", "R8C8=9", "R5C4=8", "R4C1=2", "R6C5=1", "R8C1=6", "R2C1=3", "R6C6=4", "R8C4=7", "R5C5=4", "R2C8=8", "R4C2=8", "R7C6=6", "R3C3=9", "R0C5=9", "R4C5=6", "R7C3=5", "R8C2=1", "R3C1=1", "R2C0=9", "R6C8=5", "R7C2=3", "R3C6=8", "R5C3=1", "R7C5=2", "R8C7=3", "R1C7=9", "R8C6=2", "R6C7=7", "R4C3=7", "R3C0=6" ]
872
010758002900400600003000001400007009000602400020590830051000067046000980708203010
614758392972431658583926741465387129839612475127594836351849267246175983798263514
constraint_programming
[ "R0C0=6", "R7C8=3", "R8C1=9", "R3C2=5", "R2C5=6", "R4C7=7", "R1C7=5", "R1C4=3", "R7C3=1", "R3C1=6", "R2C1=8", "R4C8=5", "R6C5=9", "R6C4=4", "R1C2=2", "R8C4=6", "R8C8=4", "R5C0=1", "R2C7=4", "R7C5=5", "R2C3=9", "R1C1=7", "R8C6=5", "R0C2=4", "R6C0=3", "R2C4=2", "R3C6=1", "R3C7=2", "R5C8=6", "R4C2=9", "R4C1=3", "R4C4=1", "R6C6=2", "R7C4=7", "R5C5=4", "R1C5=1", "R3C4=8", "R0C7=9", "R3C3=3", "R6C3=8", "R0C6=3", "R1C8=8", "R2C0=5", "R2C6=7", "R5C2=7", "R4C0=8", "R7C0=2" ]
873
000307800140060000508002900310506478009210506000000000000409001800030047005720380
926357814143968725578142963312596478789214536654873192237489651891635247465721389
backtracking
[ "R6C6=6", "R4C0=7", "R0C0=9", "R6C0=2", "R0C1=2", "R7C5=5", "R1C6=7", "R8C0=4", "R5C5=3", "R5C6=1", "R6C1=3", "R8C5=1", "R5C3=8", "R1C5=8", "R1C3=9", "R5C8=2", "R2C1=7", "R5C7=9", "R5C4=7", "R6C2=7", "R7C3=6", "R2C4=4", "R0C4=5", "R5C2=4", "R8C1=6", "R8C8=9", "R7C2=1", "R4C5=4", "R6C4=8", "R1C8=5", "R1C2=3", "R7C6=2", "R3C2=2", "R4C7=3", "R5C1=5", "R7C1=9", "R3C4=9", "R2C7=6", "R6C7=5", "R4C1=8", "R0C2=6", "R2C8=3", "R1C7=2", "R2C3=1", "R5C0=6", "R0C8=4", "R0C7=1" ]
874
500001000300900020020840705000500002201006984097000036030200810600080403704105060
579621348348957621126843795463598172251376984897412536935264817612789453784135269
constraint_programming
[ "R4C1=5", "R2C0=1", "R3C4=9", "R8C8=9", "R7C2=2", "R7C5=9", "R6C2=5", "R0C7=4", "R8C1=8", "R7C7=5", "R4C4=7", "R1C6=6", "R3C5=8", "R6C8=7", "R8C4=3", "R1C4=5", "R2C2=6", "R1C8=1", "R2C7=9", "R3C1=6", "R1C2=8", "R3C2=3", "R2C5=3", "R3C0=4", "R5C5=2", "R0C4=2", "R5C3=4", "R8C6=2", "R6C5=4", "R5C0=8", "R7C1=1", "R0C1=7", "R0C8=8", "R4C3=3", "R3C7=7", "R0C2=9", "R6C0=9", "R7C3=7", "R6C4=6", "R1C5=7", "R0C6=3", "R0C3=6", "R5C6=5", "R5C4=1", "R3C6=1", "R1C1=4" ]
875
300000017960003800008094000510020070032050006000406005050600004080900020624700309
345268917961573842278194563516329478432857196897416235159632784783945621624781359
constraint_programming
[ "R5C7=3", "R4C3=8", "R8C4=8", "R7C0=7", "R3C6=4", "R3C2=6", "R5C6=2", "R5C4=1", "R8C7=5", "R1C8=2", "R3C5=9", "R7C5=5", "R1C4=7", "R1C7=4", "R2C1=7", "R2C3=1", "R6C4=3", "R1C2=1", "R4C7=9", "R6C2=9", "R2C8=3", "R6C6=7", "R0C3=2", "R7C6=6", "R6C0=1", "R5C1=9", "R4C6=1", "R0C5=8", "R2C6=5", "R0C1=4", "R4C5=7", "R3C8=8", "R0C2=5", "R0C4=6", "R6C7=8", "R5C2=7", "R6C5=2", "R7C8=1", "R4C0=4", "R2C0=2", "R5C0=8", "R3C3=3", "R0C6=9", "R1C3=5", "R7C2=3", "R8C5=1", "R7C4=4", "R2C7=6" ]
876
040027000009030052000160800603001200800900074750002060030405008006003491002090007
348527916169834752275169843693741285821956374754382169937415628586273491412698537
backtracking
[ "R3C8=5", "R6C4=1", "R3C3=7", "R4C6=3", "R0C0=3", "R2C8=3", "R7C1=8", "R4C4=5", "R1C1=6", "R6C6=6", "R5C8=9", "R5C3=3", "R3C1=9", "R6C0=9", "R7C0=5", "R8C0=4", "R1C3=8", "R8C1=1", "R0C3=5", "R2C0=2", "R7C3=2", "R5C6=1", "R1C6=7", "R4C5=6", "R0C6=9", "R2C2=5", "R5C2=4", "R4C1=2", "R5C4=8", "R2C5=9", "R2C1=7", "R1C0=1", "R0C2=8", "R8C3=6", "R0C8=6", "R6C7=2", "R1C5=4", "R8C6=5", "R3C4=4", "R3C7=8", "R8C7=3", "R4C2=1", "R0C7=1", "R7C4=7", "R8C5=8", "R6C2=7", "R2C7=4" ]
877
560008709083096050002003100006010300090602040400009000000207006031000004705400080
564128739183796452972543168256814397397652841418379625849237516631985274725461983
backtracking
[ "R7C5=5", "R8C6=9", "R2C0=9", "R3C8=7", "R6C1=4", "R2C4=4", "R7C6=2", "R4C6=8", "R3C5=4", "R2C8=8", "R5C6=6", "R4C8=1", "R5C8=5", "R1C8=2", "R8C4=6", "R3C1=5", "R3C0=2", "R7C3=9", "R6C4=3", "R0C4=2", "R3C7=9", "R4C4=5", "R8C1=2", "R2C3=5", "R2C1=7", "R3C3=8", "R1C0=1", "R6C2=9", "R7C0=6", "R5C2=8", "R0C7=3", "R6C0=8", "R7C4=8", "R0C3=1", "R5C4=7", "R7C7=7", "R5C7=2", "R1C6=4", "R5C3=3", "R5C1=1", "R4C0=3", "R2C7=6", "R0C2=4", "R4C2=7", "R8C5=1", "R6C7=1", "R8C8=3", "R6C6=5", "R1C3=7" ]
878
201005093060100000000090007500340010089020406004076008478230050000800070310000904
241765893967183245853492167526348719789521436134976528478239651695814372312657984
backtracking
[ "R1C6=2", "R4C0=7", "R3C1=2", "R6C5=9", "R2C1=5", "R3C5=8", "R1C5=3", "R7C0=6", "R8C3=6", "R1C7=4", "R2C0=8", "R1C2=7", "R3C2=6", "R8C4=5", "R5C0=1", "R2C2=3", "R1C4=8", "R0C4=6", "R2C6=1", "R8C7=8", "R0C3=7", "R4C3=5", "R7C5=4", "R4C7=3", "R0C6=8", "R5C7=2", "R6C8=1", "R6C6=6", "R5C6=5", "R7C1=9", "R7C8=2", "R5C3=9", "R5C1=3", "R3C6=7", "R7C4=1", "R2C7=6", "R4C5=1", "R3C8=9", "R7C2=5", "R1C0=9", "R2C3=4", "R8C2=2", "R2C5=2", "R7C6=3", "R8C5=7", "R1C8=5", "R0C1=4" ]
879
031000700020700859008926000509000040000009162000843070247000003103050684060010000
931485726426731859758926431579162348384579162612843975247698513193257684865314297
constraint_programming
[ "R6C5=8", "R7C1=9", "R4C1=8", "R6C7=1", "R0C0=9", "R8C3=3", "R0C4=8", "R6C6=5", "R1C5=1", "R0C8=6", "R8C0=8", "R2C0=7", "R8C7=9", "R2C1=5", "R5C6=9", "R3C8=8", "R3C5=2", "R2C7=3", "R5C0=6", "R7C3=2", "R1C2=6", "R2C6=4", "R0C5=5", "R4C0=3", "R8C6=2", "R6C4=9", "R4C3=5", "R4C4=7", "R3C3=1", "R4C2=4", "R8C8=7", "R0C3=4", "R1C0=4", "R5C1=1", "R7C5=7", "R5C2=2", "R0C7=2", "R2C8=1", "R8C5=4", "R3C4=6", "R8C2=5", "R3C1=7", "R6C3=6", "R3C6=3", "R1C4=3", "R5C8=5" ]
880
805000070700009186060030059000003200030001605002054810004900000629087000007012004
895146372743529186261738459156893247438271695972654813314965728629487531587312964
backtracking
[ "R5C3=6", "R8C7=6", "R3C1=5", "R1C2=3", "R7C6=5", "R6C7=2", "R3C8=7", "R8C3=3", "R2C5=8", "R0C6=3", "R7C8=1", "R8C0=5", "R6C1=1", "R6C0=3", "R4C3=2", "R0C3=1", "R2C0=2", "R1C3=5", "R8C6=9", "R0C8=2", "R6C8=8", "R5C8=3", "R0C1=9", "R0C5=6", "R5C0=9", "R4C7=9", "R1C4=2", "R2C3=7", "R1C1=4", "R6C4=6", "R3C2=6", "R5C1=7", "R3C3=8", "R2C2=1", "R4C4=7", "R8C1=8", "R7C7=3", "R3C4=9", "R4C0=4", "R7C3=4", "R4C2=8", "R6C6=7", "R2C6=4", "R3C0=1", "R3C7=4", "R0C4=4", "R6C5=5" ]
881
008000600200603008700500104040030016021700030000092407104906080030007005090028040
458271693219643578763589124947835216521764839386192457174956382832417965695328741
backtracking
[ "R6C1=7", "R8C0=6", "R3C0=9", "R7C6=9", "R2C2=3", "R7C7=6", "R2C1=6", "R6C4=5", "R5C7=5", "R3C3=8", "R2C7=2", "R3C6=2", "R0C5=1", "R0C3=2", "R0C7=9", "R7C0=8", "R4C0=5", "R0C4=7", "R8C2=5", "R5C2=6", "R4C6=8", "R2C4=8", "R4C5=4", "R8C8=1", "R3C5=5", "R3C2=7", "R7C2=2", "R1C4=4", "R0C1=5", "R1C1=1", "R7C3=4", "R6C8=2", "R5C1=8", "R4C8=9", "R0C8=3", "R6C6=3", "R5C3=1", "R1C2=9", "R8C6=7", "R1C6=5", "R1C7=7", "R5C0=3", "R8C3=3", "R7C4=1", "R4C4=6", "R0C0=4", "R2C5=9" ]
882
070049100459307600000800000540030201200500098000604070000002300010090027608050004
876249135459317682132865749547938261263571498981624573794182356315496827628753914
backtracking
[ "R8C1=2", "R3C2=7", "R4C5=1", "R2C8=9", "R7C0=3", "R8C5=3", "R8C3=7", "R4C2=3", "R4C4=7", "R1C8=2", "R6C7=5", "R0C7=3", "R3C3=9", "R5C2=1", "R2C2=2", "R2C0=1", "R0C3=2", "R8C6=9", "R6C0=7", "R1C4=1", "R6C3=1", "R3C5=8", "R7C6=8", "R6C4=8", "R5C4=2", "R5C0=9", "R0C2=6", "R2C6=7", "R6C2=4", "R5C1=8", "R7C3=4", "R6C1=9", "R5C8=3", "R2C7=4", "R3C7=6", "R2C5=5", "R5C6=5", "R1C7=8", "R6C8=6", "R4C6=4", "R8C7=1", "R0C8=5", "R0C0=8", "R4C1=6", "R2C1=3", "R2C4=6", "R7C2=5", "R7C5=6" ]
883
200157000080030905060009070100902038426000000039700610000000840570400200003201097
294157386781634925365829174157962438426318759839745612912576843578493261643281597
constraint_programming
[ "R7C2=8", "R2C3=8", "R0C8=6", "R7C4=9", "R4C5=8", "R7C8=1", "R8C4=8", "R4C6=7", "R6C0=9", "R0C7=8", "R3C1=5", "R3C6=4", "R1C0=7", "R7C7=6", "R4C8=9", "R5C4=4", "R0C1=9", "R6C4=7", "R7C5=3", "R4C4=1", "R6C5=6", "R4C7=5", "R8C6=5", "R5C0=8", "R1C5=4", "R0C6=3", "R0C2=4", "R5C5=5", "R4C3=3", "R2C8=4", "R6C8=3", "R1C7=2", "R6C2=2", "R1C2=1", "R2C6=1", "R3C2=7", "R8C0=6", "R3C4=6", "R2C4=2", "R1C3=6", "R6C1=1", "R2C0=3", "R5C8=2", "R6C3=5", "R2C2=5", "R8C1=4" ]
884
800000092030090705067501040204009000050104003700002810080200006400007500000306209
845763192132498765967521348214839657658174923793652814389215476426987531571346289
constraint_programming
[ "R1C7=6", "R4C0=6", "R6C0=3", "R8C2=1", "R3C6=6", "R7C2=6", "R4C4=7", "R4C2=8", "R0C5=3", "R6C2=9", "R8C7=8", "R3C4=3", "R1C0=1", "R6C5=5", "R5C8=4", "R3C8=7", "R1C3=4", "R1C5=8", "R7C3=9", "R5C1=9", "R0C3=7", "R3C3=8", "R0C1=4", "R2C6=3", "R5C3=6", "R0C6=1", "R7C8=1", "R5C2=3", "R7C4=8", "R5C4=5", "R2C4=2", "R3C7=5", "R6C4=1", "R4C6=9", "R3C1=1", "R6C6=4", "R7C1=2", "R7C7=3", "R0C2=5", "R0C4=6", "R6C7=7", "R8C0=5", "R2C0=9", "R8C4=4", "R2C8=8", "R8C1=7", "R4C7=2", "R1C2=2" ]
885
000020000607538000000600079304000020810000547500190300020050090048200106706400003
481927635697538412235641879364785921819362547572194368123856794948273156756419283
backtracking
[ "R2C2=5", "R3C5=5", "R7C7=5", "R0C2=1", "R3C4=8", "R3C8=1", "R4C2=9", "R7C4=7", "R2C1=3", "R5C5=4", "R5C1=7", "R7C0=9", "R1C1=9", "R8C6=2", "R6C0=1", "R0C1=8", "R0C5=7", "R6C3=8", "R2C0=2", "R1C6=4", "R2C5=1", "R1C7=1", "R1C8=2", "R0C8=5", "R0C3=9", "R6C2=3", "R3C3=7", "R4C3=3", "R4C5=2", "R2C4=4", "R6C8=4", "R7C5=3", "R2C6=8", "R5C2=2", "R8C1=5", "R5C7=6", "R8C7=8", "R6C5=6", "R4C4=6", "R6C6=7", "R0C6=6", "R8C4=1", "R5C8=8", "R3C6=9", "R8C5=9", "R0C7=3", "R0C0=4", "R3C1=6" ]
886
010080094005030600004900008502678000031502040090000070800043065050200009000000231
216785394985431627374926158542678913731592846698314572829143765153267489467859231
constraint_programming
[ "R3C6=9", "R3C8=3", "R5C5=4", "R2C1=7", "R4C4=9", "R6C2=9", "R2C7=5", "R8C0=4", "R4C8=6", "R5C8=2", "R8C1=6", "R2C4=2", "R2C5=6", "R5C3=3", "R6C3=1", "R5C4=1", "R4C6=8", "R6C6=7", "R1C0=9", "R0C5=5", "R0C6=3", "R1C5=1", "R7C5=7", "R7C7=8", "R8C2=7", "R0C3=7", "R0C0=2", "R4C0=7", "R8C4=5", "R1C3=4", "R6C1=2", "R3C7=1", "R5C0=6", "R7C4=6", "R8C3=8", "R1C1=8", "R5C2=8", "R5C6=5", "R0C2=6", "R7C2=3", "R3C1=4", "R2C6=1", "R7C0=1", "R2C0=3", "R1C8=7", "R8C5=9", "R7C6=4", "R1C7=2" ]
887
100069502050800670209007000701004050020000080080612300037050408000040000006190003
178469532354821679269537841791384256623975184485612397937256418812743965546198723
backtracking
[ "R7C0=8", "R8C0=5", "R1C2=4", "R0C7=3", "R6C3=2", "R2C4=3", "R0C1=7", "R5C2=5", "R7C8=5", "R1C8=9", "R1C0=3", "R5C0=4", "R2C6=8", "R7C1=1", "R6C0=9", "R2C7=4", "R7C7=6", "R8C5=8", "R1C5=1", "R7C6=9", "R7C3=7", "R3C6=2", "R5C7=9", "R4C4=7", "R4C8=4", "R2C1=6", "R7C2=2", "R6C5=6", "R8C7=2", "R4C6=1", "R4C3=9", "R4C2=3", "R3C1=9", "R2C8=1", "R6C7=1", "R5C8=7", "R3C4=8", "R2C3=5", "R7C5=3", "R4C0=6", "R3C3=3", "R0C3=4", "R8C6=7", "R8C1=4", "R0C2=8", "R4C5=5", "R1C4=2", "R3C8=6" ]
888
016270800050009031030600400090004007000300020500062903007405206900000010601008740
416273859752849631839651472293584167168397524574162983387415296945726318621938745
backtracking
[ "R4C8=4", "R5C2=4", "R7C8=8", "R4C0=1", "R8C4=3", "R2C2=9", "R4C6=5", "R7C2=5", "R1C2=2", "R3C7=6", "R1C0=7", "R2C0=8", "R7C6=3", "R1C6=6", "R6C7=9", "R0C8=9", "R3C6=1", "R4C4=9", "R2C4=5", "R5C7=8", "R8C1=2", "R6C0=3", "R5C3=1", "R7C5=6", "R7C4=2", "R1C4=4", "R2C5=1", "R4C1=6", "R5C1=7", "R8C3=9", "R3C3=5", "R0C0=4", "R2C8=2", "R3C2=3", "R0C7=5", "R3C0=2", "R4C5=7", "R6C4=1", "R8C8=5", "R1C3=8", "R2C7=7", "R3C4=8", "R7C1=4", "R4C2=8", "R7C3=7", "R0C5=3", "R6C1=8" ]
889
038051040020800900100070200002017600010360000700900450006004080591002000300506007
938251746627843915145679238852417693419365872763928451276134589591782364384596127
backtracking
[ "R4C5=5", "R2C1=4", "R8C4=9", "R5C5=8", "R7C4=8", "R5C4=2", "R0C8=6", "R6C0=2", "R3C0=8", "R2C3=6", "R3C7=9", "R5C1=6", "R8C1=8", "R2C7=3", "R7C3=7", "R6C6=5", "R7C7=6", "R6C4=3", "R5C8=1", "R3C8=3", "R6C8=9", "R8C7=2", "R1C7=1", "R4C0=4", "R2C8=8", "R0C3=2", "R8C6=1", "R7C8=4", "R4C7=7", "R1C5=3", "R2C2=5", "R8C2=4", "R1C0=6", "R1C2=7", "R1C8=5", "R0C0=9", "R4C6=8", "R6C1=7", "R1C4=4", "R5C2=3", "R0C6=7", "R6C3=1", "R7C6=3", "R3C3=4", "R3C1=5", "R2C5=9", "R4C8=2", "R4C2=9" ]
890
030405002009007040006080100200103065400920000170006008050004791310000800080700206
731495682829617543546382179298173465465928317173546928652834791317269854984751236
backtracking
[ "R5C3=5", "R1C6=5", "R1C1=2", "R5C2=3", "R6C0=6", "R0C7=8", "R5C4=4", "R0C0=7", "R1C3=6", "R6C4=3", "R3C6=4", "R7C7=5", "R4C6=3", "R8C4=5", "R0C2=1", "R3C2=8", "R8C2=4", "R2C3=3", "R3C4=7", "R6C3=8", "R3C1=9", "R2C7=7", "R2C8=9", "R1C8=3", "R8C0=9", "R4C8=7", "R8C7=3", "R4C5=8", "R5C6=9", "R5C7=2", "R0C4=9", "R2C5=2", "R1C0=8", "R8C5=1", "R7C2=7", "R7C5=9", "R4C2=5", "R7C8=4", "R2C0=5", "R0C6=6", "R4C7=1", "R4C1=6", "R1C4=1", "R6C2=2", "R7C3=2", "R7C4=6", "R2C1=4" ]
891
004070805580004093006900010000039500070001649020000700310800000000006124609052070
194273865587614293236985417461739582873521649925468731312847956758396124649152378
backtracking
[ "R0C7=6", "R1C2=7", "R3C2=1", "R6C2=2", "R7C0=7", "R1C3=6", "R6C5=7", "R7C3=3", "R4C3=5", "R6C6=9", "R6C8=6", "R2C0=2", "R8C6=3", "R5C2=5", "R7C2=8", "R0C3=2", "R3C8=2", "R4C4=2", "R2C4=8", "R5C4=6", "R8C8=8", "R1C4=1", "R7C4=9", "R5C7=3", "R3C1=6", "R2C8=7", "R4C0=8", "R8C1=4", "R5C8=1", "R4C2=3", "R3C0=4", "R1C6=2", "R5C5=8", "R3C7=8", "R7C1=5", "R0C5=3", "R2C1=3", "R0C0=1", "R2C5=5", "R3C3=7", "R6C7=5", "R6C4=4", "R5C0=9", "R0C1=9", "R5C3=4", "R2C6=4", "R8C3=1" ]
892
003901006208000950000027043000049087800003690700050000006104020900200715000300008
453981276278436951691527843312649587845713692769852134586174329934268715127395468
backtracking
[ "R8C0=1", "R4C2=5", "R4C4=1", "R8C7=6", "R7C1=3", "R7C4=6", "R1C8=1", "R4C8=2", "R5C5=2", "R7C5=8", "R0C4=8", "R6C8=9", "R2C0=6", "R3C0=3", "R8C4=9", "R1C3=4", "R7C2=4", "R5C6=1", "R8C5=5", "R2C2=1", "R5C1=6", "R3C6=5", "R3C2=2", "R3C3=6", "R1C1=7", "R2C3=5", "R1C5=6", "R5C8=4", "R2C1=9", "R0C1=5", "R0C7=7", "R0C0=4", "R8C1=2", "R5C2=9", "R5C7=3", "R6C4=7", "R4C1=4", "R0C6=2", "R5C3=8", "R6C0=5", "R6C1=8", "R2C6=8", "R3C1=1", "R1C4=3", "R6C6=3", "R4C3=7", "R8C2=7", "R8C6=4" ]
893
007020009005087062190300000083400650000509010000070400010840300700061040056003800
867124539345987162192356784983412657674539218521678493219845376738261945456793821
backtracking
[ "R7C3=2", "R2C4=5", "R5C5=8", "R8C3=7", "R1C1=4", "R3C4=1", "R6C0=2", "R7C1=3", "R5C7=9", "R6C5=5", "R3C8=7", "R2C6=7", "R8C4=9", "R5C2=1", "R0C1=6", "R8C0=4", "R8C7=2", "R2C8=4", "R7C6=9", "R2C7=8", "R1C6=1", "R2C2=2", "R4C1=7", "R3C5=2", "R6C8=6", "R1C0=3", "R4C0=6", "R0C5=4", "R0C6=5", "R0C0=8", "R8C8=1", "R5C8=3", "R4C6=2", "R7C8=5", "R5C1=2", "R5C3=6", "R4C8=8", "R3C0=9", "R2C5=6", "R0C7=3", "R1C3=9", "R5C0=5", "R7C2=8", "R0C3=1", "R6C7=7", "R6C2=9", "R4C2=4", "R4C4=3" ]
894
094053007005620300002984010020040700010300640068700000070000469000001008803200005
694153827185627394732984516329546781517398642468712953271835469956471238843269175
constraint_programming
[ "R6C4=3", "R0C3=1", "R7C4=7", "R8C6=1", "R5C8=3", "R6C5=5", "R8C4=6", "R4C4=9", "R6C3=8", "R4C2=7", "R7C3=4", "R6C2=1", "R4C8=2", "R3C7=8", "R3C8=1", "R7C0=9", "R3C3=5", "R7C1=5", "R6C0=2", "R3C2=9", "R5C7=5", "R5C0=4", "R5C4=1", "R1C7=9", "R5C6=9", "R4C0=5", "R2C0=7", "R8C7=7", "R1C0=1", "R0C0=6", "R2C8=6", "R3C5=6", "R8C1=4", "R1C8=4", "R5C5=2", "R0C7=2", "R3C0=3", "R0C6=8", "R7C2=6", "R7C6=2", "R4C5=8", "R2C1=3", "R2C6=5", "R7C7=3", "R8C5=9", "R1C1=8", "R1C5=7" ]
895
030007040156000000007301900070200801001906057405000023000080060309402500082709000
938627145156894732247351986673245891821936457495178623714583269369412578582769314
backtracking
[ "R8C7=1", "R5C5=8", "R6C8=9", "R3C2=3", "R8C8=4", "R8C6=3", "R2C7=8", "R0C6=1", "R6C5=3", "R1C6=7", "R2C8=6", "R2C1=4", "R3C0=6", "R4C4=3", "R7C7=7", "R8C4=6", "R0C0=9", "R8C0=5", "R6C1=1", "R1C7=3", "R3C7=9", "R3C5=5", "R1C8=2", "R0C3=6", "R0C4=2", "R2C4=5", "R6C6=2", "R2C0=2", "R1C5=4", "R7C4=1", "R0C8=5", "R4C1=2", "R6C0=7", "R1C3=8", "R3C4=4", "R5C6=6", "R0C2=8", "R6C3=5", "R6C2=4", "R4C6=4", "R4C0=8", "R5C3=1", "R5C4=7", "R5C1=9", "R7C1=6", "R7C8=8", "R1C4=9" ]
896
003850004100000600078009030204300005000000820069200103001092000580001007402580300
923856714145723689678149532214368975357914826869275143731692458586431297492587361
backtracking
[ "R8C8=1", "R5C7=4", "R8C7=6", "R1C8=9", "R4C0=3", "R1C2=5", "R1C5=3", "R0C5=6", "R6C6=4", "R8C1=9", "R8C5=7", "R3C7=7", "R1C7=8", "R2C6=5", "R0C6=7", "R6C8=8", "R4C8=6", "R7C2=6", "R6C3=6", "R5C0=8", "R4C3=9", "R3C6=9", "R4C5=4", "R7C4=3", "R0C1=2", "R6C1=3", "R6C0=7", "R1C3=7", "R2C8=2", "R3C4=6", "R1C1=4", "R4C4=1", "R0C0=9", "R7C6=2", "R2C3=1", "R6C7=5", "R7C3=4", "R1C4=2", "R5C5=5", "R2C4=4", "R5C4=7", "R2C0=6", "R7C7=9", "R4C1=5", "R4C2=7", "R3C5=8", "R0C7=1", "R3C1=1" ]
897
001200090476010200320047008000005600080000407607800029200054001030090050790006300
851263794476918235329547168912475683583629417647831529268354971134792856795186342
backtracking
[ "R5C5=1", "R7C0=1", "R4C2=3", "R2C2=9", "R3C8=3", "R7C6=8", "R0C8=4", "R8C7=4", "R5C1=4", "R4C5=9", "R8C4=8", "R4C0=5", "R2C7=6", "R4C4=2", "R8C2=5", "R1C3=9", "R6C7=7", "R1C7=3", "R6C2=8", "R6C6=9", "R0C1=5", "R8C8=2", "R6C3=3", "R0C0=8", "R5C6=5", "R3C0=9", "R7C3=7", "R3C4=7", "R4C7=1", "R8C3=1", "R1C8=5", "R3C2=2", "R3C3=4", "R5C4=3", "R6C1=6", "R2C6=1", "R3C1=1", "R1C5=8", "R0C6=7", "R7C2=4", "R0C5=3", "R7C8=6", "R7C5=2", "R0C4=6", "R2C3=5", "R3C7=8", "R4C3=6" ]
898
920000063003010040005970208040106007080030195007005080012700006600008000098000430
921854763873612549465973218549186327286437195137295684312749856654328971798561432
backtracking
[ "R6C5=9", "R5C8=4", "R1C8=9", "R7C7=7", "R5C0=1", "R7C2=4", "R7C6=9", "R1C5=2", "R3C4=8", "R0C2=1", "R8C3=5", "R1C1=7", "R6C7=5", "R1C6=5", "R2C0=4", "R8C4=6", "R4C2=6", "R3C2=9", "R3C6=3", "R8C5=1", "R0C4=5", "R7C3=3", "R6C6=8", "R8C8=2", "R2C5=3", "R0C6=7", "R4C0=2", "R4C5=7", "R7C4=2", "R3C7=2", "R6C0=3", "R5C3=2", "R4C3=4", "R7C1=5", "R8C0=7", "R5C4=9", "R2C7=1", "R6C4=4", "R0C5=4", "R5C1=3", "R5C6=6", "R0C3=8", "R1C3=6", "R2C1=6", "R1C0=8", "R3C0=5", "R7C8=1" ]
899
091000403000600800040095607000002105003000082087013000032041009506028070970000000
691287453725634891348195627469872135153469782287513946832741569516928374974356218
backtracking
[ "R5C7=4", "R3C1=6", "R4C5=9", "R5C0=2", "R8C8=8", "R8C5=6", "R3C0=4", "R5C8=6", "R4C4=6", "R4C0=1", "R7C1=1", "R5C6=9", "R8C2=4", "R8C7=1", "R7C3=9", "R1C2=5", "R7C6=3", "R1C1=2", "R4C3=4", "R4C6=7", "R0C5=7", "R8C6=2", "R6C0=8", "R8C4=5", "R0C0=6", "R7C8=4", "R1C8=1", "R1C7=9", "R6C7=6", "R3C2=9", "R6C6=5", "R3C3=8", "R0C4=8", "R1C4=3", "R2C3=1", "R1C5=4", "R0C3=2", "R4C1=5", "R2C2=8", "R6C3=7", "R5C3=5", "R2C7=2", "R1C0=7", "R8C3=3", "R3C4=7", "R2C0=3", "R3C7=3", "R0C7=5" ]