id
int64
0
1,000k
quizzes
stringlengths
81
81
solutions
stringlengths
81
81
method
stringclasses
2 values
steps
sequencelengths
44
52
300
006007800705000001010539040420000097000860400050904102031008200000620079007400500
396147825745286931812539746428315697179862453653974182931758264584621379267493518
backtracking
[ "R7C2=4", "R6C4=5", "R2C2=2", "R6C3=7", "R1C5=6", "R4C0=1", "R6C8=4", "R3C5=5", "R2C8=6", "R4C7=5", "R8C4=9", "R1C6=9", "R8C0=2", "R1C7=3", "R4C8=3", "R3C3=3", "R1C3=2", "R7C6=3", "R4C1=7", "R0C7=2", "R2C0=8", "R0C1=9", "R8C1=6", "R5C7=8", "R8C8=8", "R4C5=2", "R7C5=1", "R7C0=5", "R3C4=1", "R0C4=4", "R3C6=6", "R4C2=9", "R0C8=5", "R2C6=7", "R0C0=3", "R1C4=8", "R3C2=8", "R8C7=1", "R0C3=1", "R5C0=6", "R8C5=3", "R6C0=9", "R1C1=4", "R5C4=7", "R7C1=8", "R5C2=3", "R6C7=6" ]
301
008310040460005900012900708000000512850092000070036000703800069080040100006020305
598317246467285931312964758639478512854192673271536894723851469985643127146729385
constraint_programming
[ "R4C6=6", "R3C1=3", "R7C0=9", "R0C1=9", "R0C6=2", "R3C0=6", "R3C5=8", "R3C3=4", "R5C8=4", "R1C8=1", "R7C3=6", "R3C2=9", "R6C4=5", "R8C5=9", "R1C3=2", "R3C4=7", "R4C8=3", "R1C2=7", "R5C3=5", "R5C6=8", "R7C5=3", "R2C0=3", "R4C7=7", "R2C7=5", "R0C8=6", "R5C2=1", "R6C1=2", "R8C0=1", "R6C5=1", "R7C8=7", "R1C4=8", "R0C0=5", "R5C0=2", "R2C4=6", "R8C3=7", "R8C1=4", "R7C7=2", "R4C3=1", "R4C2=4", "R6C6=4", "R0C5=7", "R7C2=5", "R5C7=9", "R2C5=4", "R1C7=3", "R8C7=8" ]
302
910000006700030240052670309000000538000280100060014900528700000090803000100090400
913452876786139245452678319241967538379285164865314927528741693694823751137596482
backtracking
[ "R1C8=5", "R5C2=5", "R7C6=7", "R8C1=3", "R0C3=4", "R1C2=6", "R4C8=4", "R0C2=3", "R8C3=5", "R5C7=2", "R4C7=6", "R0C4=5", "R6C6=6", "R1C3=1", "R6C4=4", "R8C2=7", "R4C0=3", "R8C8=2", "R3C4=6", "R4C5=5", "R4C1=7", "R4C2=9", "R3C1=4", "R0C6=8", "R2C5=8", "R8C5=6", "R3C5=7", "R3C3=9", "R0C7=7", "R7C0=6", "R6C7=9", "R5C8=7", "R2C0=4", "R1C1=8", "R5C0=8", "R3C2=1", "R7C2=4", "R6C5=1", "R7C8=1", "R7C4=2", "R3C0=2", "R0C5=2", "R1C5=9", "R5C3=3", "R6C8=3", "R2C7=1", "R7C7=5", "R8C7=8" ]
303
000800100000260400580090076004020089060300701975008600639070000040003950008001002
426837195197265438583194276314726589862359741975418623639572814241683957758941362
backtracking
[ "R7C0=2", "R1C0=1", "R2C5=4", "R5C4=1", "R8C3=9", "R8C7=6", "R5C3=4", "R0C8=5", "R8C1=5", "R0C1=2", "R7C3=6", "R1C2=7", "R7C4=8", "R2C6=2", "R4C5=9", "R5C7=2", "R3C1=1", "R6C3=5", "R6C6=8", "R4C0=8", "R1C1=9", "R8C0=7", "R2C2=3", "R5C8=3", "R4C4=5", "R7C8=7", "R1C7=3", "R6C8=4", "R6C5=2", "R8C4=4", "R0C4=3", "R6C7=1", "R4C2=2", "R3C6=5", "R0C5=7", "R7C2=1", "R2C3=1", "R3C5=6", "R1C5=5", "R1C8=8", "R3C3=7", "R0C7=9", "R0C2=6", "R4C7=4", "R8C6=3", "R3C0=3", "R0C0=4" ]
304
000807300000001072006290080000400500100020837530709020714006000960003400850900001
291857346485361972376294185627438519149625837538719624714586293962173458853942761
constraint_programming
[ "R4C5=5", "R8C7=6", "R3C5=8", "R6C7=9", "R2C0=3", "R2C6=1", "R8C2=3", "R8C6=7", "R3C4=3", "R6C3=5", "R5C4=1", "R7C8=8", "R6C4=8", "R6C6=2", "R3C8=9", "R6C8=3", "R7C7=5", "R2C5=4", "R0C0=2", "R0C7=4", "R4C1=4", "R5C8=4", "R2C1=7", "R3C2=7", "R1C6=9", "R5C6=6", "R8C5=2", "R1C2=5", "R0C2=1", "R1C0=4", "R5C2=8", "R4C3=6", "R3C0=6", "R8C4=4", "R0C4=5", "R1C1=8", "R3C7=1", "R0C8=6", "R1C3=3", "R2C8=5", "R7C2=2", "R7C3=1", "R1C4=6", "R4C2=9", "R3C1=2", "R0C1=9", "R7C4=7" ]
305
800400006001906207507100490023090001000000640040058003908507000000300810006001002
892475136431986257567132498623794581785213649149658723918527364274369815356841972
backtracking
[ "R2C5=2", "R8C7=7", "R5C3=6", "R8C0=3", "R7C2=4", "R4C5=3", "R4C4=1", "R8C1=5", "R3C6=5", "R6C8=4", "R6C4=2", "R0C4=7", "R3C3=7", "R6C1=1", "R5C6=7", "R7C1=7", "R1C0=4", "R3C7=8", "R5C0=1", "R7C8=5", "R8C3=8", "R2C1=6", "R5C2=9", "R4C1=8", "R0C7=3", "R0C2=2", "R4C8=9", "R7C4=6", "R6C7=6", "R3C5=4", "R4C3=2", "R8C4=4", "R0C1=9", "R8C6=9", "R4C0=7", "R5C7=2", "R2C4=3", "R1C1=3", "R6C6=3", "R3C0=6", "R1C7=5", "R0C5=5", "R0C6=1", "R7C5=9", "R2C8=8", "R7C0=2", "R4C2=5", "R1C4=8" ]
306
090000060570080004400005012150904200000006380030072400960700100800200007040153090
391427865572681934486395712158934276724516389639872451965748123813269547247153698
backtracking
[ "R4C0=7", "R5C7=5", "R8C0=2", "R0C0=3", "R3C4=3", "R5C0=6", "R0C2=1", "R2C6=7", "R3C8=6", "R8C6=6", "R7C6=5", "R3C2=8", "R5C3=8", "R7C4=6", "R4C4=1", "R4C3=5", "R8C8=8", "R7C2=3", "R2C4=9", "R5C2=9", "R4C1=2", "R2C2=6", "R2C3=3", "R1C7=3", "R1C5=1", "R2C1=8", "R8C2=7", "R1C6=9", "R7C1=1", "R6C7=2", "R0C3=4", "R7C7=4", "R0C4=2", "R6C2=5", "R0C8=5", "R4C8=9", "R6C5=8", "R1C3=6", "R7C5=9", "R0C6=8", "R6C8=3", "R6C4=4", "R4C2=4", "R3C7=7", "R5C8=1", "R1C2=2", "R0C5=7" ]
307
470050390006040020002000180000620009051430002000105007300700640080000000910360050
478251396196843725532976184843627519751439862269185437325798641684512973917364258
backtracking
[ "R3C0=8", "R7C4=1", "R7C0=6", "R7C3=5", "R3C1=4", "R1C8=5", "R5C1=6", "R3C5=7", "R6C8=1", "R5C7=3", "R0C3=2", "R2C5=6", "R1C1=9", "R1C3=8", "R0C8=6", "R8C8=8", "R2C4=7", "R2C1=3", "R3C7=1", "R0C5=1", "R2C3=9", "R2C8=4", "R6C4=9", "R7C8=3", "R7C5=2", "R4C5=9", "R3C2=3", "R4C0=7", "R1C6=7", "R6C1=2", "R3C6=5", "R1C0=1", "R7C6=9", "R4C6=8", "R5C4=8", "R5C6=4", "R2C0=5", "R8C2=7", "R5C0=2", "R7C2=4", "R7C7=7", "R1C5=3", "R0C2=8", "R6C2=5", "R8C6=2", "R6C5=8", "R4C7=6", "R8C5=4", "R5C2=9" ]
308
009807062004050039070200100010040020060080590000612800800309070026001004500060003
159837462284156739673294158718945326462783591935612847841329675326571984597468213
backtracking
[ "R1C5=6", "R3C6=3", "R6C8=5", "R4C5=3", "R4C2=2", "R7C6=9", "R8C6=2", "R1C6=7", "R8C7=1", "R1C0=2", "R2C2=3", "R0C4=3", "R1C3=1", "R7C4=7", "R3C8=6", "R3C3=9", "R2C5=4", "R8C3=4", "R4C3=7", "R5C0=9", "R5C7=4", "R2C0=6", "R2C7=5", "R5C2=5", "R4C0=4", "R6C1=4", "R3C0=7", "R3C5=5", "R8C5=8", "R5C8=7", "R6C6=6", "R8C1=9", "R1C1=8", "R4C8=1", "R7C7=8", "R5C1=3", "R0C0=1", "R0C1=5", "R7C0=3", "R3C2=8", "R2C8=8", "R0C6=4", "R6C4=2", "R6C2=1", "R8C2=7", "R7C3=5", "R2C4=9" ]
309
940003058000021000003005074410000980890602300000900001100050006060048027085300000
941763258758421693623895174416537982897612345532984761174259836369148527285376419
backtracking
[ "R2C0=6", "R5C1=3", "R4C2=7", "R7C2=9", "R5C2=2", "R1C3=4", "R6C1=7", "R8C0=2", "R7C0=3", "R6C6=8", "R3C3=5", "R8C8=9", "R5C0=5", "R6C7=3", "R2C4=9", "R1C8=3", "R2C6=1", "R3C8=2", "R0C4=6", "R6C2=4", "R4C8=5", "R1C1=5", "R6C5=9", "R8C6=4", "R4C7=4", "R5C4=8", "R8C4=7", "R8C7=1", "R5C5=4", "R1C7=9", "R1C2=8", "R4C4=1", "R0C6=2", "R3C4=3", "R2C1=2", "R8C5=6", "R2C3=8", "R0C3=7", "R0C2=1", "R1C0=7", "R6C3=2", "R1C6=6", "R5C6=7", "R3C2=6", "R7C6=5", "R3C5=7", "R7C3=1", "R5C7=6" ]
310
060070005280006403001402709000801300026004080300050004050009100049308050073620900
964173825287596413531482769495861372726934581318257694852749136649318257173625948
constraint_programming
[ "R2C7=6", "R8C7=4", "R0C7=2", "R0C0=9", "R6C4=4", "R4C0=7", "R4C3=9", "R7C6=2", "R6C2=2", "R3C0=4", "R8C5=5", "R1C7=1", "R8C0=1", "R3C2=5", "R3C8=2", "R3C7=7", "R0C5=3", "R0C3=1", "R1C4=9", "R0C2=4", "R5C1=1", "R0C6=8", "R6C8=6", "R3C4=6", "R6C7=3", "R2C0=5", "R5C5=7", "R2C4=8", "R2C1=3", "R5C2=8", "R6C3=7", "R4C4=3", "R8C8=8", "R7C8=7", "R5C3=2", "R1C3=5", "R5C6=6", "R7C4=1", "R5C7=9", "R1C2=7", "R7C0=6", "R4C6=5", "R4C8=1", "R3C1=9", "R6C0=8" ]
311
000640700907500041000000082309010800240056000060038905400063000803700010120004050
582641739937582641614379582359217864248956173761438925475163298893725416126894357
backtracking
[ "R1C1=3", "R7C8=6", "R4C2=8", "R0C8=9", "R6C6=2", "R6C1=7", "R0C2=2", "R0C7=3", "R1C6=6", "R0C1=8", "R3C5=7", "R2C2=4", "R8C4=9", "R0C5=1", "R4C3=9", "R6C8=8", "R8C6=3", "R3C7=6", "R3C3=2", "R7C6=4", "R4C6=1", "R7C5=5", "R5C2=1", "R1C5=2", "R5C0=7", "R5C3=4", "R3C8=4", "R1C4=8", "R2C4=7", "R7C4=2", "R6C2=5", "R2C6=5", "R8C3=8", "R8C8=7", "R2C0=6", "R0C0=5", "R8C2=6", "R3C1=5", "R4C7=7", "R6C3=1", "R4C8=3", "R7C1=9", "R5C7=2", "R2C5=9", "R2C3=3", "R2C1=1", "R6C7=9" ]
312
902000000063040900000670308400007005009820610076300200500092004017000503000150080
982531476763248951145679328421967835359824617876315249538792164217486593694153782
backtracking
[ "R6C7=6", "R0C1=8", "R2C1=4", "R2C2=5", "R7C4=8", "R5C8=9", "R0C8=6", "R8C6=7", "R0C5=1", "R6C1=3", "R1C7=5", "R7C0=2", "R3C1=2", "R4C8=7", "R4C1=5", "R1C5=8", "R8C2=4", "R4C5=4", "R1C0=7", "R1C3=2", "R0C7=7", "R2C7=2", "R3C3=9", "R2C5=9", "R4C0=3", "R0C4=3", "R5C0=8", "R8C8=2", "R3C2=1", "R2C0=1", "R8C5=3", "R5C4=1", "R6C6=1", "R6C2=8", "R6C3=7", "R8C0=6", "R0C6=4", "R5C7=4", "R3C6=8", "R3C4=6", "R3C7=3", "R7C5=6", "R7C3=4", "R5C5=5", "R8C1=9", "R1C8=1", "R0C3=5", "R7C7=9" ]
313
051004090870000416000080005006903020002050074940710000369000100500600700000205308
251364897873529416694187235786943521132856974945712683369478152528631749417295368
backtracking
[ "R7C5=1", "R2C5=7", "R2C1=9", "R4C1=3", "R3C0=7", "R5C8=3", "R1C5=9", "R0C0=2", "R2C0=6", "R3C4=4", "R1C3=5", "R0C3=3", "R8C0=4", "R7C2=8", "R4C0=1", "R4C3=8", "R4C5=6", "R6C8=2", "R7C1=2", "R3C6=5", "R2C6=2", "R3C1=8", "R0C6=8", "R6C3=4", "R6C4=7", "R8C7=6", "R6C5=8", "R2C7=3", "R1C4=2", "R7C4=3", "R8C2=7", "R3C8=1", "R2C3=1", "R0C4=6", "R7C7=4", "R1C2=3", "R5C6=6", "R7C8=9", "R5C2=5", "R2C2=4", "R6C7=5", "R4C6=9", "R8C1=1", "R5C7=8", "R8C4=9", "R0C8=7", "R5C5=2" ]
314
700230016080001700500700490600003900090040050320800007002100008407006000013902500
749235816286491735531768492674523981198647253325819647962154378457386129813972564
backtracking
[ "R3C3=5", "R8C8=4", "R1C3=4", "R3C1=7", "R2C5=8", "R6C6=3", "R2C2=1", "R1C4=9", "R6C7=7", "R6C1=6", "R4C2=8", "R0C5=5", "R7C4=8", "R3C4=2", "R6C0=9", "R5C4=1", "R8C7=6", "R5C7=4", "R7C6=1", "R8C4=7", "R5C6=6", "R6C5=4", "R3C2=4", "R1C2=6", "R1C8=5", "R7C1=5", "R7C3=3", "R8C0=8", "R5C5=9", "R5C2=5", "R3C7=8", "R0C2=9", "R2C1=3", "R1C0=2", "R4C6=2", "R4C8=3", "R4C5=7", "R7C8=9", "R4C0=1", "R2C4=6", "R7C7=2", "R2C8=2", "R6C4=5", "R4C3=6", "R3C8=1", "R1C7=3", "R0C1=4", "R0C6=8" ]
315
900304001000021890021580007402806005570010000030700914090030706800005000040000250
986374521754621893321589467412896375579413682638752914295138746867245139143967258
backtracking
[ "R8C3=9", "R3C4=9", "R8C8=8", "R8C4=6", "R8C5=7", "R4C3=4", "R0C7=2", "R7C2=7", "R7C1=6", "R6C7=4", "R8C0=1", "R2C0=3", "R0C6=5", "R5C2=8", "R7C7=3", "R6C5=8", "R7C3=2", "R3C6=3", "R0C2=6", "R1C0=7", "R2C5=9", "R5C4=5", "R1C1=5", "R4C6=6", "R1C3=6", "R7C4=4", "R0C1=8", "R2C7=6", "R3C1=1", "R3C7=7", "R4C2=9", "R4C8=2", "R7C8=9", "R0C4=7", "R6C2=5", "R6C0=2", "R7C6=1", "R1C2=4", "R4C5=3", "R5C0=6", "R6C3=1", "R1C8=3", "R8C2=3", "R4C7=8", "R2C6=4", "R5C5=2" ]
316
720800000004100097500009400000603802087000300061702904050030210640050000000960003
729846135834125697516379428495613872287594361361782954958437216643251789172968543
constraint_programming
[ "R0C2=9", "R1C5=5", "R6C3=4", "R0C7=3", "R8C6=5", "R3C0=4", "R2C3=3", "R3C4=1", "R2C1=1", "R3C1=9", "R2C2=6", "R0C4=4", "R2C8=8", "R6C5=7", "R6C0=9", "R8C7=4", "R0C5=6", "R4C3=5", "R0C8=5", "R8C2=2", "R6C2=8", "R3C2=5", "R0C6=1", "R1C0=8", "R2C4=7", "R8C5=8", "R7C7=8", "R1C4=2", "R8C1=7", "R7C5=1", "R5C0=3", "R4C8=1", "R5C4=8", "R3C7=7", "R2C7=2", "R5C7=5", "R7C8=9", "R6C8=6", "R1C1=3", "R8C0=1", "R4C5=4", "R7C6=7", "R4C0=2", "R7C2=3", "R4C7=6", "R1C6=6", "R7C3=2", "R4C4=9" ]
317
040010503000004000037020809205907038004103600600050070006809100000000702870045090
942718563568394217137526849215967438794183625683452971326879154459631782871245396
constraint_programming
[ "R1C7=1", "R1C2=8", "R5C5=2", "R3C4=6", "R1C4=9", "R4C7=2", "R0C5=8", "R5C1=8", "R6C7=5", "R6C8=4", "R2C3=5", "R7C4=3", "R5C6=9", "R1C0=5", "R3C6=4", "R8C3=2", "R5C2=3", "R2C5=6", "R5C3=4", "R2C7=4", "R7C7=8", "R1C3=3", "R4C4=8", "R0C2=2", "R0C3=7", "R6C1=2", "R6C0=3", "R8C6=3", "R8C8=6", "R5C8=1", "R6C4=7", "R4C0=7", "R7C3=6", "R1C8=7", "R0C0=9", "R4C8=5", "R7C2=9", "R1C1=6", "R3C1=1", "R7C5=1", "R0C7=6", "R7C1=5", "R4C1=9", "R1C6=2", "R8C2=1", "R2C0=1", "R7C0=4" ]
318
400036085600920104300008720095000000000170402000003690070091008020000560160540000
412736985687925134359418726795264813836179452241853697573691248924387561168542379
constraint_programming
[ "R5C8=7", "R0C3=7", "R4C0=8", "R6C0=5", "R1C2=7", "R5C0=2", "R3C5=4", "R0C6=9", "R6C6=2", "R2C4=1", "R0C2=2", "R1C7=3", "R3C6=8", "R1C1=8", "R6C2=3", "R3C8=3", "R4C2=6", "R7C3=3", "R7C0=9", "R2C1=5", "R0C1=1", "R6C3=6", "R4C1=3", "R5C3=8", "R6C7=4", "R7C5=7", "R3C7=1", "R2C8=6", "R3C0=7", "R3C3=2", "R8C6=3", "R2C2=9", "R5C2=1", "R7C8=1", "R8C7=7", "R8C2=8", "R8C8=9", "R7C4=8", "R1C5=5", "R4C5=9", "R4C7=5", "R7C2=4", "R5C1=4", "R2C3=4", "R8C5=2", "R3C4=6", "R5C4=5" ]
319
420070603500230040010006890003809207000017000605300000860002015039000006000400028
428971653596238741317546892143859267982617534675324189864792315239185476751463928
backtracking
[ "R4C2=2", "R3C1=4", "R1C5=8", "R0C7=5", "R7C7=7", "R8C1=5", "R7C3=1", "R4C7=3", "R3C0=1", "R5C4=2", "R5C8=9", "R8C4=6", "R4C6=5", "R3C4=5", "R1C1=9", "R1C2=6", "R5C5=4", "R4C1=8", "R7C0=2", "R6C3=7", "R1C8=1", "R5C6=1", "R5C7=8", "R0C5=1", "R8C6=9", "R6C2=4", "R7C5=5", "R1C6=7", "R5C1=7", "R2C0=3", "R7C6=4", "R4C8=4", "R4C3=6", "R8C5=3", "R6C4=9", "R6C6=3", "R8C0=7", "R4C0=9", "R3C7=6", "R7C4=8", "R8C2=1", "R0C2=8", "R0C3=9", "R2C8=2", "R2C3=5", "R2C4=4", "R2C2=7" ]
320
301640000008902673000000015080500704200791800059060200007004360090180000620300040
371645982548912673962837415186523794234791856759468231817254369493186527625379148
backtracking
[ "R3C0=1", "R4C7=5", "R5C8=1", "R3C5=3", "R8C8=8", "R3C4=2", "R1C0=5", "R0C1=7", "R4C1=3", "R7C8=7", "R8C4=7", "R7C0=4", "R7C6=5", "R1C1=4", "R5C3=4", "R4C8=6", "R4C2=4", "R6C3=2", "R2C2=2", "R7C2=3", "R2C3=8", "R2C5=7", "R8C2=5", "R1C4=1", "R7C5=6", "R2C0=9", "R5C0=7", "R0C6=9", "R8C6=1", "R7C7=2", "R2C1=6", "R5C5=8", "R0C8=2", "R0C7=8", "R6C0=8", "R8C5=9", "R6C4=5", "R5C7=3", "R2C6=4", "R6C8=9", "R3C2=6", "R0C5=5", "R3C7=9", "R2C4=3", "R6C1=1" ]
321
006120780730400000000008305200000050350074801007609004190300026000000090082010500
546123789738495612921768345264831957359274861817659234195387426673542198482916573
backtracking
[ "R3C3=8", "R7C8=8", "R6C5=7", "R7C0=6", "R4C7=6", "R6C2=5", "R2C7=4", "R7C3=5", "R8C5=6", "R8C8=3", "R0C0=5", "R2C1=2", "R2C2=1", "R1C2=8", "R4C3=2", "R1C4=9", "R0C5=3", "R8C0=4", "R5C1=1", "R2C0=9", "R2C3=7", "R2C4=6", "R4C2=9", "R3C1=6", "R1C8=2", "R0C8=9", "R7C5=2", "R7C6=1", "R6C4=8", "R5C7=3", "R1C5=5", "R3C4=3", "R8C7=7", "R0C1=4", "R5C6=2", "R3C5=1", "R5C4=5", "R5C0=8", "R1C6=6", "R8C3=9", "R1C7=1", "R3C8=7", "R3C2=4", "R7C2=3", "R7C4=4", "R7C1=7", "R6C6=4", "R3C6=9" ]
322
700001000320000419000060050009620304600000820075004001040000080817503600002907000
758491236326758419491362758189625374634179825275834961943216587817543692562987143
constraint_programming
[ "R6C3=2", "R7C4=4", "R8C8=3", "R8C1=6", "R0C7=3", "R4C3=1", "R4C5=9", "R1C2=6", "R7C7=9", "R2C8=8", "R6C0=9", "R6C6=5", "R1C3=7", "R5C3=8", "R2C6=7", "R4C4=7", "R1C5=8", "R5C6=9", "R3C5=5", "R6C5=6", "R0C4=9", "R0C2=8", "R1C4=5", "R2C2=1", "R2C1=9", "R2C0=4", "R0C8=6", "R4C8=5", "R4C2=4", "R6C8=7", "R2C5=2", "R0C1=5", "R8C0=5", "R3C1=8", "R7C8=2", "R0C6=2", "R8C6=1", "R5C0=2", "R0C3=4", "R8C4=8", "R5C7=6", "R4C1=3", "R3C0=1", "R3C7=7", "R6C2=3", "R8C7=4", "R5C4=3", "R2C3=3", "R6C4=1" ]
323
900010300105700008036050204094005001007832000800400007580300490472060080060000002
948216375125743968736958214294675831617832549853491627581327496472569183369184752
backtracking
[ "R1C7=6", "R6C2=1", "R2C5=8", "R4C8=9", "R0C5=6", "R7C5=9", "R1C6=9", "R1C1=2", "R5C4=9", "R3C7=3", "R7C6=1", "R7C3=5", "R3C3=6", "R8C7=5", "R8C2=9", "R0C8=5", "R4C7=4", "R4C6=5", "R8C6=7", "R3C6=8", "R1C4=4", "R4C0=6", "R2C7=1", "R3C0=2", "R5C7=2", "R5C1=5", "R2C3=9", "R2C0=7", "R6C8=6", "R0C3=2", "R5C5=1", "R8C0=3", "R6C4=2", "R0C1=4", "R4C1=1", "R0C2=8", "R8C5=4", "R7C8=3", "R5C2=3", "R0C7=7", "R8C3=1", "R6C5=7", "R3C4=7", "R8C4=8", "R5C6=6", "R1C5=3" ]
324
100200005003070090982003040008540926006109007050800030630010800240000079000720400
174298365563471298982653741318547926426139587759862134637914852241385679895726413
backtracking
[ "R5C4=6", "R6C8=2", "R1C0=5", "R1C1=6", "R8C0=8", "R8C1=9", "R5C8=4", "R4C0=4", "R2C8=1", "R7C3=3", "R2C6=7", "R4C7=8", "R0C5=8", "R7C6=6", "R0C4=9", "R5C6=1", "R1C5=1", "R8C7=1", "R1C6=2", "R4C1=2", "R8C2=5", "R5C2=9", "R7C5=5", "R0C7=6", "R1C3=4", "R0C1=7", "R0C6=3", "R3C0=3", "R2C4=5", "R7C4=8", "R6C5=4", "R2C3=6", "R3C5=7", "R4C6=5", "R6C7=5", "R7C2=1", "R1C8=8", "R8C5=6", "R6C2=7", "R6C3=9", "R5C0=7", "R5C5=2", "R3C1=1", "R4C4=3", "R8C8=3", "R0C2=4" ]
325
001050948700600000035240100890400705170030000020009086000706030000584020080010000
261357948748691253935248167893462715176835492524179386459726831317584629682913574
constraint_programming
[ "R2C8=7", "R8C0=6", "R7C6=6", "R3C2=3", "R6C8=1", "R2C7=6", "R8C6=5", "R1C2=8", "R1C6=2", "R5C2=4", "R4C6=4", "R5C3=1", "R1C8=3", "R8C3=9", "R0C5=7", "R5C4=7", "R5C6=3", "R8C2=2", "R7C2=7", "R0C3=3", "R6C0=4", "R2C0=9", "R7C1=1", "R4C8=2", "R4C7=9", "R8C5=3", "R1C5=1", "R3C7=1", "R5C0=5", "R6C1=5", "R1C1=4", "R0C1=6", "R7C8=9", "R7C0=3", "R4C5=5", "R1C4=9", "R8C7=7", "R3C4=6", "R4C2=6", "R3C5=2", "R4C3=8", "R6C6=8", "R6C4=2", "R8C8=4", "R6C2=9", "R0C0=2", "R1C7=5", "R2C5=8" ]
326
030042070940006800260801590803010700005000600090070013600000405002007080100295000
538942176941756832267831594823614759715329648496578213679183425352467981184295367
constraint_programming
[ "R8C1=8", "R4C8=8", "R1C4=5", "R7C1=5", "R5C3=5", "R1C8=2", "R0C0=5", "R3C7=5", "R3C8=9", "R8C2=4", "R4C5=9", "R7C8=1", "R1C2=1", "R2C2=7", "R7C4=6", "R0C2=8", "R4C4=2", "R3C5=4", "R4C3=3", "R6C5=3", "R0C8=6", "R0C6=1", "R0C3=9", "R5C6=2", "R8C7=6", "R5C5=8", "R1C3=7", "R6C2=9", "R5C0=4", "R5C2=6", "R3C1=2", "R6C1=7", "R2C4=3", "R1C7=3", "R4C1=1", "R4C7=4", "R7C0=3", "R2C8=4", "R7C3=4", "R3C3=6", "R8C6=3", "R6C7=2", "R6C3=1", "R6C4=8", "R7C6=9", "R4C0=7", "R8C8=7" ]
327
300060010102008009009210405596007003000400020007030008008049070003100860004500302
385964217142758639679213485596827143831495726427631958268349571953172864714586392
constraint_programming
[ "R4C1=3", "R3C4=2", "R2C5=3", "R3C7=4", "R7C8=4", "R6C1=6", "R8C0=7", "R4C2=1", "R6C0=2", "R4C0=8", "R8C7=9", "R4C6=7", "R0C1=8", "R3C3=8", "R2C0=6", "R7C0=9", "R6C6=5", "R1C1=4", "R1C7=3", "R5C7=5", "R5C5=1", "R2C7=8", "R6C3=3", "R5C6=9", "R3C6=1", "R5C0=4", "R4C8=6", "R8C5=6", "R1C3=7", "R7C5=2", "R0C6=2", "R0C5=4", "R1C4=5", "R1C6=6", "R5C1=2", "R8C4=8", "R6C8=1", "R7C1=5", "R2C1=7", "R5C3=6", "R8C1=1", "R0C3=9", "R0C2=5", "R7C4=7", "R4C5=5", "R4C4=9", "R0C8=7" ]
328
078010060400500908000000374207083050195200007600090001000370126960400000000028400
378914562426537918519862374247183659195246837683795241854379126962451783731628495
backtracking
[ "R3C3=1", "R5C2=3", "R2C5=2", "R5C6=2", "R7C8=3", "R2C4=6", "R4C5=6", "R6C0=8", "R5C1=8", "R7C4=5", "R0C6=5", "R7C7=8", "R0C5=4", "R2C1=1", "R8C2=1", "R0C8=2", "R8C8=5", "R8C7=9", "R2C3=8", "R8C3=6", "R8C0=7", "R1C1=2", "R5C3=7", "R2C0=5", "R0C3=9", "R7C2=2", "R2C2=9", "R1C2=6", "R5C5=5", "R0C0=3", "R4C6=8", "R8C1=3", "R7C5=1", "R6C5=9", "R6C1=5", "R1C4=3", "R7C6=7", "R3C1=4", "R1C5=7", "R5C7=4", "R6C2=4", "R1C7=1", "R4C4=4", "R3C6=6", "R3C8=9", "R4C7=3" ]
329
001907002062004003030005800390786050000020470800500009140600900050108730003000006
581937642762814593439265817394786251615329478827541369148673925256198734973452186
backtracking
[ "R5C6=3", "R8C0=9", "R6C8=5", "R2C3=2", "R4C2=5", "R4C8=8", "R4C5=9", "R0C7=4", "R8C4=5", "R0C1=8", "R1C6=5", "R6C4=7", "R2C4=6", "R5C4=4", "R6C7=2", "R4C0=6", "R3C2=4", "R7C8=4", "R5C5=1", "R1C4=1", "R8C1=7", "R5C1=2", "R2C7=1", "R6C5=3", "R3C8=1", "R0C4=3", "R5C2=7", "R5C7=6", "R1C7=9", "R8C3=4", "R1C3=8", "R7C2=6", "R7C0=2", "R2C0=4", "R0C6=6", "R0C0=5", "R3C6=2", "R7C4=9", "R1C0=7", "R2C8=7", "R8C6=1", "R8C7=8", "R4C3=3", "R2C2=9", "R6C2=8", "R4C1=1", "R8C5=2" ]
330
200800900070006008340002600810630000700980104004201050400050030032000070069007401
256813947971546328348792615815634792723985164694271853487159236132468579569327481
backtracking
[ "R3C7=9", "R1C0=9", "R1C7=2", "R7C0=1", "R6C2=7", "R8C0=5", "R6C6=2", "R2C4=9", "R6C1=8", "R8C7=8", "R0C8=7", "R3C5=4", "R2C8=5", "R4C7=6", "R1C2=1", "R4C1=2", "R0C4=1", "R7C4=6", "R5C6=8", "R5C8=3", "R0C1=5", "R6C3=1", "R4C2=3", "R8C3=3", "R6C8=6", "R0C2=6", "R5C0=6", "R1C3=5", "R7C8=9", "R1C6=3", "R3C8=2", "R8C4=2", "R3C2=5", "R7C3=4", "R2C3=7", "R5C4=7", "R0C5=3", "R1C4=4", "R7C6=5", "R4C5=5", "R3C6=7", "R7C5=8", "R2C2=8", "R6C5=9", "R5C1=9", "R0C7=4", "R2C7=1" ]
331
010600005030090740407003900050400090000032000700800206009005008520061003004207500
912674385635198742487523961253416897896732154741859236179345628528961473364287519
backtracking
[ "R4C1=9", "R7C6=4", "R5C7=3", "R6C1=7", "R5C5=9", "R3C4=1", "R4C8=4", "R5C1=4", "R3C2=3", "R1C3=1", "R2C1=8", "R0C0=9", "R8C4=8", "R1C2=5", "R8C8=9", "R0C2=2", "R3C0=2", "R5C4=5", "R4C3=7", "R6C0=1", "R4C7=5", "R4C6=1", "R0C7=8", "R0C5=4", "R0C6=3", "R8C7=1", "R3C8=7", "R5C2=1", "R2C3=5", "R2C8=1", "R2C7=6", "R3C6=8", "R6C6=6", "R6C3=3", "R8C0=3", "R3C5=6", "R4C0=8", "R1C0=6", "R1C8=2", "R7C2=8", "R7C7=7", "R4C2=6", "R6C7=2", "R8C1=6", "R6C4=4", "R0C4=7", "R7C3=9", "R1C5=8", "R2C4=2" ]
332
000400706030082450051700038500000070009300020048001690300090500020614000607030901
892453716736182459451769238563928174179346825248571693314897562925614387687235941
constraint_programming
[ "R8C3=2", "R2C6=2", "R3C8=4", "R8C7=4", "R7C0=9", "R0C1=9", "R4C1=7", "R2C5=9", "R2C4=6", "R2C0=4", "R7C8=7", "R7C2=5", "R1C2=6", "R7C6=3", "R1C0=7", "R1C3=1", "R3C5=8", "R5C0=2", "R6C5=7", "R4C5=6", "R3C4=2", "R4C8=5", "R3C3=9", "R3C1=6", "R0C7=1", "R0C4=5", "R4C0=1", "R6C8=2", "R0C5=3", "R8C1=8", "R5C3=5", "R0C2=2", "R3C6=1", "R4C6=8", "R1C8=9", "R8C5=5", "R0C0=8", "R6C3=8", "R6C1=1", "R4C4=4", "R6C2=4", "R5C4=7", "R7C7=8", "R6C7=6", "R3C2=3", "R5C8=3" ]
333
016000004009203080500190070030576000401002090087000302200307860060900507000041000
316785924749263185528194673932576418451832796687419352294357861163928547875641239
backtracking
[ "R1C8=5", "R4C6=7", "R1C6=1", "R8C6=2", "R6C1=9", "R2C1=2", "R4C4=3", "R8C3=6", "R3C0=9", "R7C4=2", "R5C5=9", "R2C6=6", "R3C2=2", "R8C1=7", "R7C7=4", "R3C6=4", "R6C4=5", "R4C1=5", "R7C2=3", "R3C8=8", "R5C7=5", "R0C7=2", "R0C3=7", "R0C6=9", "R4C8=6", "R7C5=8", "R8C8=9", "R6C8=1", "R8C7=3", "R4C3=8", "R1C0=7", "R2C2=8", "R5C3=4", "R0C5=5", "R7C0=1", "R5C4=1", "R1C1=4", "R5C0=6", "R0C0=3", "R2C8=3", "R1C4=6", "R8C0=8", "R8C2=5", "R0C4=8", "R6C2=4", "R3C7=1", "R2C5=4" ]
334
300070000006803005174690002900408030085000000010007940000021754000000600730004891
358172469296843175174695382927418536485936217613257948869321754541789623732564891
backtracking
[ "R3C1=2", "R4C6=2", "R7C0=5", "R0C8=9", "R7C2=1", "R5C8=8", "R8C2=2", "R7C8=3", "R0C7=6", "R4C8=7", "R1C6=1", "R5C4=5", "R6C1=6", "R5C3=2", "R3C8=6", "R7C1=4", "R6C0=8", "R3C6=5", "R4C0=4", "R1C0=2", "R4C5=6", "R0C1=5", "R0C5=2", "R0C6=4", "R2C5=5", "R2C6=3", "R5C2=3", "R0C3=1", "R1C1=9", "R3C4=1", "R4C3=9", "R0C2=8", "R3C2=7", "R7C4=8", "R7C5=9", "R7C3=7", "R6C2=9", "R5C0=6", "R4C4=3", "R1C4=4", "R1C7=7", "R8C4=6", "R2C7=8", "R8C3=5", "R7C7=2", "R6C3=3", "R4C7=1" ]
335
508104029000069710000000300009200060004500070726480050905008000080320100002071004
578134629243869715691752348859217463134596872726483951915648237487325196362971584
backtracking
[ "R4C5=6", "R2C1=9", "R3C1=5", "R4C6=8", "R3C4=1", "R0C1=7", "R6C3=6", "R4C8=2", "R3C0=8", "R8C6=5", "R8C3=9", "R6C6=2", "R6C4=4", "R5C5=3", "R1C1=4", "R2C2=1", "R4C1=3", "R7C5=5", "R7C0=4", "R3C6=4", "R0C4=3", "R2C7=4", "R7C8=6", "R2C5=2", "R5C6=9", "R8C7=8", "R4C0=1", "R6C8=7", "R1C8=5", "R2C8=8", "R5C8=1", "R7C2=7", "R7C7=9", "R8C0=3", "R4C4=9", "R2C4=5", "R8C1=6", "R3C5=7", "R1C2=3", "R2C3=7", "R3C8=3", "R2C0=6", "R1C3=8", "R6C7=3", "R1C0=2", "R0C6=6", "R6C1=1" ]
336
001000026000108003790040500302760000005400039460031870510600047000000200040970010
851397426624158793793246581382769154175482639469531872518623947937814265246975318
backtracking
[ "R0C5=7", "R4C5=2", "R6C2=8", "R8C6=3", "R4C1=7", "R1C4=5", "R1C6=7", "R7C5=4", "R1C7=9", "R6C5=3", "R0C6=4", "R7C2=7", "R2C7=8", "R0C0=8", "R7C0=9", "R0C1=5", "R5C2=9", "R7C3=8", "R6C4=2", "R7C4=1", "R3C1=8", "R3C7=5", "R6C6=9", "R0C4=9", "R7C1=3", "R5C3=5", "R1C0=6", "R1C2=4", "R5C8=2", "R2C2=3", "R4C0=1", "R4C6=6", "R7C8=5", "R3C5=9", "R8C5=5", "R0C3=3", "R2C3=2", "R2C5=6", "R7C7=6", "R8C8=8", "R8C0=2", "R3C6=1", "R2C8=1", "R1C1=2", "R3C8=4", "R4C4=8", "R8C2=6" ]
337
401007309000051008067080200059004030803025700200800005740600080300010090090703006
481267359932451678567389241659174832813925764274836915745692183326518497198743526
constraint_programming
[ "R5C5=6", "R0C1=8", "R5C4=3", "R3C4=7", "R5C6=9", "R3C3=1", "R7C3=5", "R5C7=1", "R8C4=4", "R4C7=6", "R8C2=8", "R7C2=6", "R7C1=2", "R4C8=4", "R3C6=8", "R1C0=9", "R5C2=4", "R1C3=4", "R0C3=2", "R6C8=3", "R1C6=6", "R7C8=7", "R6C4=9", "R8C7=2", "R0C7=5", "R3C0=6", "R7C6=4", "R6C5=2", "R6C2=5", "R2C5=9", "R2C0=5", "R2C7=4", "R2C8=1", "R3C8=2", "R0C4=6", "R4C1=1", "R1C7=7", "R5C1=7", "R6C6=1", "R1C1=3", "R1C2=2", "R8C6=5", "R8C0=1", "R2C3=3", "R7C5=8", "R4C3=9" ]
338
000308074200500080004072090002780150051090000030600408000006703190400005560001002
915368274276549381384172596642783159851294637739615428428956713193427865567831942
constraint_programming
[ "R0C1=1", "R7C6=8", "R0C6=2", "R0C0=9", "R0C2=5", "R6C2=8", "R5C0=7", "R8C4=3", "R0C4=6", "R5C2=9", "R7C7=6", "R1C4=4", "R2C1=8", "R1C2=6", "R1C5=9", "R3C8=9", "R2C8=6", "R3C5=3", "R4C5=4", "R5C5=5", "R4C7=3", "R4C8=7", "R1C8=1", "R6C3=9", "R8C7=4", "R6C7=1", "R1C1=7", "R7C2=3", "R4C3=2", "R3C0=6", "R4C6=6", "R8C6=9", "R7C5=7", "R8C3=8", "R5C4=1", "R6C0=4", "R2C3=1", "R1C6=3", "R8C2=7", "R6C4=5", "R6C1=2", "R4C0=8", "R5C7=2", "R3C1=4", "R2C0=3", "R2C6=5", "R7C4=2" ]
339
098100004007006500300070620040003000200810053005907840060030010010602709704000030
698125374427386591351479628849253167276814953135967842962738415513642789784591236
constraint_programming
[ "R4C5=4", "R8C4=9", "R2C2=1", "R4C1=7", "R4C2=6", "R3C8=7", "R8C1=8", "R8C6=2", "R1C7=9", "R5C8=2", "R0C4=2", "R0C6=3", "R2C8=8", "R0C7=7", "R5C4=6", "R3C7=6", "R1C0=4", "R2C5=9", "R7C4=4", "R6C2=2", "R0C0=6", "R1C3=3", "R8C8=6", "R3C4=5", "R0C5=5", "R1C8=1", "R6C8=5", "R5C0=1", "R5C1=3", "R3C3=2", "R6C3=7", "R3C6=1", "R1C1=2", "R1C4=8", "R8C5=1", "R6C5=8", "R4C6=9", "R7C0=5", "R3C2=9", "R6C0=9", "R8C3=5", "R2C3=4", "R3C0=8", "R2C1=5", "R7C2=3", "R7C7=8", "R6C6=4" ]
340
408020600920700130760504000000000008040619720210005400000007006000290083059043070
438921657925768134761534892596472318843619725217385469382157946174296583659843271
backtracking
[ "R1C8=4", "R2C8=2", "R7C2=4", "R3C0=5", "R5C7=6", "R0C5=1", "R3C2=6", "R3C7=1", "R2C6=8", "R5C2=7", "R0C3=9", "R8C0=6", "R3C5=2", "R5C3=3", "R8C6=2", "R4C0=8", "R6C3=1", "R4C8=5", "R2C7=9", "R0C1=3", "R7C6=5", "R1C5=8", "R3C1=9", "R7C0=1", "R5C4=8", "R0C8=7", "R0C7=5", "R1C4=6", "R4C2=3", "R3C6=3", "R7C5=6", "R6C7=4", "R3C4=7", "R8C3=8", "R3C3=4", "R6C0=3", "R8C8=1", "R1C2=5", "R6C1=8", "R7C1=7", "R2C2=1", "R6C6=9", "R6C4=5", "R6C2=2", "R5C8=9", "R2C4=3" ]
341
602054900000700000130600020063500401709400008201069070000010509024300600500007800
672154983498723156135698724863572491759431268241869375387216549924385617516947832
backtracking
[ "R5C6=3", "R7C4=8", "R4C7=6", "R0C1=7", "R7C5=5", "R1C2=8", "R0C8=3", "R4C6=2", "R6C3=2", "R5C1=4", "R1C5=3", "R1C1=9", "R1C8=6", "R3C0=8", "R7C8=7", "R6C7=4", "R8C7=3", "R2C4=9", "R2C6=7", "R8C1=1", "R2C8=4", "R0C7=8", "R1C6=1", "R6C5=6", "R7C0=9", "R8C2=6", "R1C7=5", "R3C7=9", "R5C3=8", "R0C3=1", "R4C1=5", "R8C4=4", "R6C2=7", "R2C5=8", "R2C2=5", "R7C7=1", "R4C5=1", "R1C4=2", "R8C8=2", "R6C1=8", "R8C3=9", "R5C8=5", "R3C4=7", "R3C5=2", "R1C0=4", "R6C0=3", "R4C4=3" ]
342
050379600960000000070002403007020058810004020000056000090000015002040730000985200
254379681963418572178562493647123958815794326329856147496237815582641739731985264
constraint_programming
[ "R6C0=4", "R7C3=6", "R3C0=6", "R1C4=1", "R8C8=4", "R0C8=1", "R8C7=6", "R6C2=6", "R4C6=3", "R5C7=4", "R1C6=5", "R6C4=3", "R1C3=4", "R2C2=8", "R4C2=5", "R2C7=9", "R5C0=3", "R8C0=7", "R7C0=5", "R3C5=3", "R1C7=7", "R8C2=1", "R1C8=2", "R5C6=1", "R7C5=1", "R6C5=7", "R7C1=8", "R4C4=9", "R5C3=8", "R2C4=6", "R3C1=4", "R0C2=4", "R2C3=5", "R2C0=1", "R6C6=8", "R5C1=2", "R0C0=2", "R1C5=8", "R4C3=7", "R5C2=9", "R4C8=6", "R6C3=2", "R3C6=9", "R1C2=3", "R3C3=1", "R7C8=9", "R5C8=7", "R8C1=3", "R0C7=8" ]
343
053021800090003010620780030048000976007800003002000405000600090080357000010940200
753421869894563712621789534148235976567894123932176485475612398289357641316948257
backtracking
[ "R2C8=4", "R4C6=1", "R5C4=7", "R4C5=4", "R4C0=5", "R6C0=4", "R6C6=3", "R1C0=8", "R1C6=7", "R6C4=1", "R5C0=9", "R1C3=5", "R5C7=8", "R6C8=8", "R3C4=3", "R6C2=5", "R2C6=5", "R0C7=6", "R1C4=6", "R8C0=3", "R7C0=2", "R2C2=1", "R8C7=5", "R5C5=6", "R6C5=2", "R8C5=8", "R8C8=7", "R7C8=1", "R7C6=6", "R7C7=4", "R7C2=9", "R3C3=2", "R1C2=4", "R5C1=3", "R4C1=6", "R8C2=6", "R0C8=9", "R4C4=9", "R6C1=7", "R3C0=1", "R0C3=4", "R2C5=9", "R3C5=5", "R0C0=7", "R5C3=1", "R4C7=2", "R1C8=2" ]
344
001090200090540038000700056004607090800253000607080001103000472400030600020800500
561398247792546138348721956234617895819253764657489321183965472475132689926874513
constraint_programming
[ "R7C3=1", "R8C5=4", "R2C6=9", "R7C2=5", "R4C2=9", "R6C5=5", "R8C4=7", "R0C1=6", "R0C0=5", "R1C2=2", "R4C8=4", "R1C0=7", "R5C3=4", "R5C7=2", "R4C1=1", "R6C4=6", "R7C8=9", "R8C2=6", "R1C5=6", "R6C3=9", "R8C8=3", "R3C8=5", "R3C4=1", "R1C6=1", "R4C7=6", "R0C7=4", "R3C6=8", "R7C1=7", "R7C5=2", "R5C6=3", "R2C0=3", "R8C7=1", "R2C2=8", "R4C6=7", "R5C5=9", "R5C1=5", "R8C0=9", "R7C7=8", "R2C5=1", "R3C1=3", "R6C1=8", "R2C1=4", "R3C0=2", "R0C8=7", "R2C4=2", "R0C3=3", "R0C5=8" ]
345
000010026801006003009503004904300087203700000060028000300980500152400600000000402
435819726871246953629573814914365287283794165567128349346982571152437698798651432
constraint_programming
[ "R4C1=8", "R8C7=3", "R2C0=6", "R1C1=7", "R5C6=3", "R0C2=5", "R4C5=4", "R3C4=6", "R0C3=8", "R0C6=7", "R8C0=7", "R6C2=6", "R3C6=2", "R1C7=5", "R5C3=1", "R6C5=2", "R8C4=5", "R6C7=7", "R1C3=2", "R6C8=1", "R8C5=1", "R2C6=8", "R2C7=1", "R3C5=5", "R8C3=6", "R7C4=3", "R2C1=2", "R5C7=4", "R6C1=4", "R7C5=7", "R3C1=1", "R1C4=4", "R0C0=4", "R7C8=8", "R0C5=9", "R5C2=7", "R5C8=9", "R4C7=6", "R2C4=7", "R1C6=9", "R4C4=9", "R7C7=9", "R0C1=3", "R4C8=5", "R5C0=5", "R8C1=9", "R4C6=1", "R8C2=8" ]
346
940103052030000006650780000300008410075009260000200907000040009020010870080306540
948163752237594186651782394392678415175439268864251937513847629426915873789326541
backtracking
[ "R1C7=8", "R5C2=4", "R0C6=7", "R7C0=4", "R3C4=7", "R2C7=9", "R1C0=2", "R2C6=3", "R4C3=4", "R3C1=9", "R8C8=1", "R3C8=5", "R4C4=3", "R3C3=6", "R7C3=9", "R6C6=6", "R1C6=1", "R6C2=3", "R5C5=1", "R1C2=7", "R6C0=5", "R7C5=5", "R2C8=4", "R1C5=4", "R3C2=2", "R7C2=6", "R6C3=8", "R6C7=2", "R1C3=5", "R4C0=1", "R1C4=9", "R4C8=8", "R2C5=2", "R2C2=1", "R0C2=8", "R8C0=7", "R8C4=2", "R5C0=8", "R0C4=6", "R5C4=5", "R6C1=1", "R7C8=3", "R5C7=3", "R6C5=7", "R5C1=6", "R8C2=9" ]
347
062030710790080046000000900040002090605000030900150820400800200003014580800507000
562439718791285346384761952148372695625948137937156824456893271273614589819527463
backtracking
[ "R1C2=1", "R4C1=2", "R1C6=3", "R7C8=9", "R4C8=7", "R8C1=1", "R8C4=2", "R5C5=6", "R3C8=5", "R6C5=3", "R5C2=7", "R4C6=1", "R2C7=5", "R8C6=4", "R0C3=4", "R2C1=8", "R3C3=3", "R3C2=8", "R4C3=9", "R2C8=2", "R3C6=6", "R6C7=7", "R3C0=1", "R2C0=3", "R8C8=3", "R3C4=7", "R2C4=6", "R6C4=9", "R0C5=9", "R6C2=6", "R7C0=2", "R5C8=4", "R1C3=2", "R7C3=6", "R2C3=7", "R4C5=8", "R0C8=8", "R2C5=1", "R8C2=9", "R4C4=4", "R0C0=5", "R6C8=1", "R1C5=5", "R7C1=7", "R2C2=4", "R5C1=3", "R6C1=5", "R8C7=6" ]
348
020360000600004708805019200000052800000000496007601000300080104290007005510000030
721368549639524718845719263963452871152873496487691352376985124294137685518246937
constraint_programming
[ "R5C4=9", "R5C8=2", "R6C3=9", "R3C0=9", "R4C2=2", "R3C7=7", "R5C0=4", "R8C3=2", "R4C4=7", "R8C8=7", "R5C1=8", "R7C3=1", "R3C2=3", "R7C6=6", "R0C0=7", "R1C4=2", "R0C6=5", "R6C7=2", "R7C2=4", "R4C5=3", "R3C1=6", "R4C3=8", "R8C6=9", "R0C5=8", "R0C7=4", "R7C4=3", "R3C3=4", "R0C8=9", "R0C2=1", "R1C3=5", "R3C8=1", "R2C1=4", "R5C7=5", "R2C8=3", "R8C2=8", "R6C5=5", "R8C4=4", "R5C6=3", "R6C1=7", "R7C7=8", "R1C2=9", "R8C5=6", "R6C2=6", "R4C1=5", "R2C3=7", "R1C7=1", "R2C7=6", "R4C0=1", "R1C1=3" ]
349
001026048045800200070000090004090860306002070190030000000241000007900514003058006
931526748645879231872314695724195863356482179198637452569241387287963514413758926
backtracking
[ "R5C2=8", "R7C4=6", "R4C8=9", "R8C3=7", "R5C5=7", "R2C8=5", "R7C1=8", "R2C6=6", "R7C0=2", "R6C0=5", "R8C0=4", "R1C8=1", "R1C7=3", "R3C1=2", "R4C1=5", "R0C6=7", "R0C3=5", "R0C0=9", "R5C6=4", "R2C0=8", "R3C0=7", "R2C2=2", "R5C8=2", "R8C6=9", "R2C4=1", "R2C5=4", "R6C1=6", "R5C7=5", "R6C2=9", "R1C5=9", "R6C6=3", "R1C0=6", "R4C4=8", "R8C7=2", "R8C1=1", "R6C8=7", "R0C1=3", "R4C3=4", "R1C4=7", "R6C7=8", "R2C3=3", "R3C5=5", "R4C6=1", "R7C5=3", "R3C8=3", "R5C3=6", "R3C3=1" ]
350
040009500500070090000003820014200000802060100760004030036008040050902670007540019
143829567528671493679453821314295786892367154765184932936718245451932678287546319
backtracking
[ "R2C8=1", "R1C3=6", "R4C8=4", "R5C2=5", "R4C7=5", "R6C3=7", "R5C3=1", "R2C3=4", "R6C0=9", "R3C8=6", "R5C8=2", "R1C8=3", "R7C2=1", "R8C1=8", "R3C5=5", "R0C0=1", "R4C1=9", "R6C8=5", "R1C6=4", "R1C1=2", "R5C4=8", "R0C2=3", "R8C5=6", "R3C7=8", "R1C5=1", "R2C1=7", "R8C0=2", "R1C2=8", "R0C4=2", "R2C2=9", "R5C6=9", "R2C0=6", "R4C3=3", "R0C8=7", "R4C5=7", "R3C6=7", "R7C8=8", "R2C4=5", "R8C6=3", "R6C6=2", "R0C3=8", "R3C4=9", "R7C4=3", "R3C0=3", "R6C4=1", "R7C0=4", "R0C7=6" ]
351
040109027056000080197050000902700350018603000300080060000301209001208600400070000
843169527256437981197852436962714358518623794374985162685341279731298645429576813
backtracking
[ "R5C5=5", "R0C6=5", "R6C0=6", "R3C1=6", "R5C8=2", "R6C2=5", "R0C4=6", "R7C4=9", "R3C5=4", "R8C2=9", "R4C7=9", "R7C1=3", "R1C4=3", "R2C8=6", "R4C6=7", "R8C8=3", "R7C8=5", "R5C2=4", "R5C6=1", "R0C0=8", "R3C8=8", "R1C3=4", "R0C2=3", "R5C1=7", "R2C6=4", "R8C7=1", "R1C0=2", "R4C4=2", "R8C5=6", "R6C7=7", "R4C8=4", "R7C0=7", "R2C7=3", "R6C1=8", "R1C8=1", "R8C6=8", "R7C7=4", "R8C3=5", "R2C5=2", "R5C3=9", "R1C6=9", "R6C4=4", "R1C5=7", "R3C4=1", "R4C0=5", "R8C1=2", "R2C3=8" ]
352
000000900570900020200768530080020060000300708640095000910002600702410090803000001
436251987578934126291768534385127469129346758647895312914582673762413895853679241
backtracking
[ "R5C6=3", "R6C4=8", "R6C8=3", "R1C5=4", "R7C1=6", "R4C1=2", "R4C4=4", "R2C1=9", "R3C2=5", "R8C3=6", "R2C8=4", "R8C1=5", "R3C3=1", "R3C6=4", "R1C4=3", "R8C6=2", "R6C7=7", "R3C0=3", "R7C5=3", "R2C2=1", "R6C2=4", "R0C7=8", "R0C4=5", "R3C8=9", "R4C5=6", "R1C2=8", "R0C5=1", "R5C2=7", "R3C5=7", "R1C6=1", "R0C2=6", "R4C7=5", "R4C0=1", "R7C8=5", "R7C6=8", "R5C3=8", "R8C5=9", "R0C1=3", "R0C8=7", "R1C8=6", "R4C2=9", "R5C8=2", "R0C3=2", "R8C7=4", "R0C0=4", "R8C4=7", "R5C7=1", "R6C3=5" ]
353
710080000000002507408390000006230008040001090905746320600003040800560079020000010
712685934369412587458397162176239458243851796985746321697123845831564279524978613
backtracking
[ "R3C5=9", "R7C2=1", "R8C3=9", "R3C6=4", "R1C1=6", "R2C7=6", "R4C4=5", "R8C8=3", "R0C6=9", "R3C0=1", "R6C3=1", "R1C0=3", "R1C2=9", "R5C1=8", "R6C8=5", "R8C5=8", "R8C4=7", "R7C1=3", "R2C1=5", "R1C3=4", "R5C8=1", "R1C7=8", "R7C6=2", "R6C6=8", "R4C0=2", "R0C2=2", "R2C5=7", "R0C7=3", "R6C1=9", "R0C5=5", "R0C3=6", "R8C0=5", "R0C8=4", "R2C8=2", "R1C4=1", "R4C8=6", "R6C4=2", "R6C2=7", "R3C1=7", "R7C5=4", "R4C2=3", "R2C6=1", "R8C6=6", "R8C2=4", "R4C6=7", "R3C7=5", "R4C3=8" ]
354
390000400000081720002000503000764050140800600900025030600500307700002090013009086
391257468456381729872946513238764951145893672967125834629518347784632195513479286
constraint_programming
[ "R5C8=4", "R3C1=3", "R5C2=7", "R1C1=5", "R5C1=6", "R6C2=9", "R5C3=1", "R4C5=3", "R6C5=8", "R7C1=8", "R2C4=4", "R1C0=4", "R3C8=1", "R0C8=8", "R7C6=1", "R8C4=7", "R6C4=1", "R2C5=6", "R0C3=2", "R1C8=9", "R4C4=9", "R7C3=6", "R2C3=9", "R3C6=9", "R4C7=7", "R0C4=5", "R2C0=8", "R6C1=2", "R3C2=8", "R0C2=1", "R7C4=3", "R8C6=2", "R4C8=2", "R5C6=8", "R0C7=6", "R1C2=6", "R4C2=5", "R7C8=5", "R8C0=5", "R0C5=7", "R3C0=2", "R6C7=4", "R2C7=1", "R7C2=4", "R1C3=3", "R2C1=7", "R8C3=4" ]
355
007004600800910000940008035002300840003065700060481002000050400091602007650070901
127534698835916274946728135512397846483265719769481352278159463391642587654873921
backtracking
[ "R0C4=3", "R6C1=7", "R8C7=2", "R4C1=8", "R3C4=9", "R0C8=8", "R7C0=3", "R1C6=2", "R4C3=2", "R2C2=6", "R3C0=5", "R5C0=7", "R8C2=4", "R1C5=6", "R8C5=3", "R8C3=8", "R6C3=1", "R1C2=5", "R3C1=1", "R2C6=1", "R3C5=7", "R0C1=2", "R6C7=6", "R0C7=9", "R0C3=5", "R4C7=1", "R1C8=4", "R6C2=8", "R5C6=3", "R6C5=9", "R1C1=3", "R5C7=5", "R5C2=9", "R4C0=4", "R6C8=3", "R7C6=5", "R7C7=8", "R0C0=1", "R6C0=2", "R2C3=7", "R7C4=4", "R4C8=9", "R1C7=7", "R2C4=2", "R3C8=6" ]
356
204670100870400003059010204300026095000703600180005002000004509908000010060800300
234679158871452963659318274347126895592783641186945732713264589928537416465891327
backtracking
[ "R4C7=4", "R5C3=9", "R8C7=2", "R4C1=9", "R0C7=5", "R8C5=1", "R1C7=6", "R0C8=8", "R7C3=5", "R6C7=8", "R3C2=7", "R3C1=4", "R8C0=4", "R6C2=3", "R7C1=2", "R1C2=1", "R7C8=6", "R1C4=5", "R4C2=2", "R5C6=7", "R1C5=2", "R5C7=3", "R2C0=6", "R7C5=7", "R3C3=1", "R0C5=9", "R8C8=7", "R5C4=4", "R6C3=2", "R1C6=9", "R8C4=9", "R0C1=3", "R4C4=8", "R5C2=6", "R2C7=7", "R6C1=1", "R4C8=1", "R6C4=6", "R4C0=5", "R3C6=8", "R2C3=3", "R7C6=4", "R7C4=3", "R8C2=5", "R2C5=8", "R6C0=7" ]
357
019030000006507108020160473000410000005000600431790020000003209267008050800050040
719834562346527198528169473682415937975382614431796825154673289267948351893251746
backtracking
[ "R1C1=4", "R6C7=8", "R3C2=2", "R4C0=9", "R0C8=2", "R8C8=6", "R7C6=3", "R6C4=7", "R8C6=7", "R2C2=8", "R2C0=5", "R7C8=1", "R0C0=7", "R7C3=9", "R5C5=6", "R3C7=3", "R5C8=5", "R6C1=5", "R3C0=6", "R8C5=1", "R1C0=3", "R8C1=9", "R3C6=9", "R4C3=3", "R4C1=7", "R0C6=5", "R4C4=8", "R0C3=8", "R0C7=6", "R5C6=8", "R6C0=1", "R8C3=2", "R4C7=1", "R1C7=9", "R4C5=2", "R8C2=3", "R0C5=4", "R4C8=4", "R3C1=8", "R3C5=5", "R3C8=7", "R1C4=2", "R6C3=6", "R7C4=4", "R6C2=4", "R2C5=9" ]
358
009000800050026001281490006000380000600107300008005040000000910304702050000904730
469571823753826491281493576147389265625147389938265147572638914394712658816954732
backtracking
[ "R2C5=3", "R4C7=8", "R8C2=6", "R8C0=8", "R4C1=2", "R7C8=8", "R3C0=1", "R7C6=6", "R0C7=2", "R0C8=3", "R6C4=3", "R1C0=7", "R3C6=2", "R0C0=4", "R6C0=5", "R6C8=4", "R6C3=6", "R6C2=2", "R3C7=6", "R5C4=6", "R0C1=6", "R0C3=5", "R2C7=7", "R5C1=3", "R0C5=1", "R8C8=2", "R2C6=5", "R7C4=1", "R5C3=2", "R1C7=9", "R5C0=9", "R3C5=9", "R5C6=1", "R4C2=5", "R6C5=8", "R1C3=8", "R4C8=9", "R8C1=1", "R3C1=4", "R0C4=7", "R7C1=9", "R6C1=7", "R1C6=4", "R8C4=5", "R5C8=7", "R3C2=7", "R1C2=3", "R3C8=5", "R4C4=4" ]
359
700980001000614300840000500300062007080040000056803209009000802012490060000300050
763985421925614378841237596394562187287149635156873249439756812512498763678321954
backtracking
[ "R8C5=1", "R1C7=7", "R2C7=9", "R1C2=5", "R6C1=3", "R8C0=6", "R4C7=3", "R4C0=2", "R7C8=3", "R5C4=7", "R4C5=9", "R4C3=1", "R3C7=8", "R6C3=7", "R2C5=7", "R0C2=3", "R8C6=9", "R7C0=5", "R2C4=3", "R0C5=5", "R8C1=7", "R4C6=6", "R3C1=9", "R1C1=2", "R2C3=2", "R0C7=2", "R0C6=4", "R3C3=5", "R1C0=9", "R1C8=8", "R6C5=6", "R5C7=4", "R4C8=5", "R6C7=1", "R0C1=6", "R6C0=4", "R5C0=1", "R3C2=4", "R7C5=8", "R8C8=4", "R7C6=7", "R6C4=5", "R3C6=1", "R2C2=1", "R2C8=6", "R8C4=2", "R4C2=7", "R8C2=8" ]
360
070006012009030564804001300007010900300002005200648700050700400000080009402000103
573496812129837564864251397647315928318972645295648731951723486736184259482569173
constraint_programming
[ "R4C3=9", "R4C7=4", "R3C5=5", "R7C6=2", "R5C2=5", "R3C0=6", "R5C1=9", "R1C3=8", "R7C1=3", "R0C4=9", "R8C3=5", "R1C0=1", "R6C7=8", "R2C4=5", "R4C6=6", "R0C6=8", "R7C0=7", "R8C5=9", "R0C0=5", "R7C5=4", "R4C2=8", "R0C2=3", "R6C0=9", "R2C8=7", "R1C1=2", "R7C3=1", "R1C5=7", "R6C8=6", "R7C2=6", "R8C4=6", "R5C7=3", "R3C1=4", "R6C4=2", "R2C3=2", "R4C1=1", "R3C3=3", "R6C2=1", "R2C7=9", "R6C5=3", "R8C7=7", "R2C1=6", "R3C7=2", "R5C8=1", "R0C3=4", "R8C1=8", "R4C4=7", "R3C8=8", "R7C7=5" ]
361
091560270200908000060040008400807060950300000006094003580001042002000301307000500
891563274234978615765142938423857169958316427176294853589631742642785391317429586
backtracking
[ "R1C6=6", "R1C8=5", "R2C3=1", "R7C7=9", "R0C8=4", "R1C7=1", "R8C3=4", "R8C7=8", "R4C6=4", "R2C5=2", "R3C4=5", "R7C3=7", "R2C0=7", "R5C0=1", "R5C7=5", "R8C4=2", "R8C1=1", "R0C0=8", "R6C6=7", "R7C4=8", "R4C5=6", "R6C2=9", "R3C6=1", "R0C5=3", "R5C3=2", "R5C1=7", "R6C4=3", "R3C1=2", "R2C6=9", "R8C5=9", "R7C0=6", "R2C7=3", "R1C2=4", "R4C8=7", "R4C2=8", "R5C6=8", "R1C1=3", "R6C3=6", "R4C7=2", "R7C5=5", "R3C8=9", "R3C2=3", "R8C8=6", "R7C1=4", "R2C2=5", "R4C4=1", "R1C4=7" ]
362
800070050090123040004900002480000020901300760067010308300000085520040006100006009
812674953695123847734958612483769521951382764267415398376291485529847136148536279
backtracking
[ "R3C6=5", "R0C1=1", "R8C3=5", "R1C6=8", "R5C5=5", "R2C0=7", "R0C2=2", "R2C4=5", "R7C3=8", "R3C5=9", "R8C4=3", "R6C1=7", "R7C6=1", "R0C8=3", "R4C1=5", "R0C3=6", "R4C5=2", "R7C7=3", "R8C7=7", "R6C6=4", "R2C7=1", "R5C3=4", "R4C4=8", "R1C2=5", "R8C2=8", "R6C2=6", "R6C5=1", "R8C1=4", "R8C6=2", "R3C4=6", "R1C8=7", "R7C5=7", "R5C7=9", "R2C5=8", "R7C2=9", "R0C5=4", "R2C1=3", "R6C4=9", "R1C0=6", "R3C3=7", "R3C8=1", "R2C6=6", "R3C2=3", "R6C3=2", "R5C0=2", "R0C6=9", "R4C8=4" ]
363
506409100080000090340700602000002030030048005075010209100603400008020063000090570
526439187781265394349781652914572836632948715875316249197653428458127963263894571
constraint_programming
[ "R8C3=8", "R8C2=3", "R6C2=7", "R6C4=5", "R8C1=6", "R0C8=7", "R5C3=3", "R3C3=5", "R7C6=9", "R4C6=7", "R2C7=5", "R4C0=6", "R3C1=1", "R6C7=2", "R7C0=4", "R1C5=5", "R2C5=1", "R4C7=1", "R0C1=2", "R5C5=6", "R2C4=8", "R6C8=8", "R3C6=8", "R0C7=8", "R4C3=9", "R8C0=2", "R3C0=9", "R5C0=8", "R3C2=4", "R1C6=3", "R7C1=5", "R6C1=9", "R1C4=6", "R7C3=1", "R1C8=4", "R1C0=7", "R3C4=7", "R1C3=2", "R2C2=9", "R4C2=2", "R8C8=1", "R7C5=7", "R3C8=6", "R1C2=1", "R8C5=4", "R0C4=3", "R5C7=4" ]
364
200400508003000097054001600005618320002000084910000700300859000067030900020160000
296473518183526497754981632475618329632795184918342765341859276867234951529167843
constraint_programming
[ "R2C7=3", "R0C4=7", "R4C5=5", "R8C8=3", "R7C8=1", "R8C6=8", "R8C5=7", "R6C7=7", "R6C6=2", "R8C0=5", "R7C3=2", "R0C1=9", "R6C2=1", "R5C8=5", "R1C5=6", "R0C7=1", "R1C3=5", "R7C7=5", "R8C2=9", "R3C8=9", "R0C5=3", "R6C8=6", "R1C1=8", "R6C1=4", "R7C0=8", "R3C1=7", "R8C7=4", "R5C4=4", "R4C6=1", "R1C6=4", "R4C4=9", "R1C0=1", "R1C4=2", "R2C8=2", "R7C5=4", "R4C0=6", "R2C0=7", "R5C2=8", "R2C3=9", "R4C1=3", "R5C7=6", "R3C0=4", "R2C4=8", "R4C3=7", "R0C2=6", "R5C5=2", "R5C3=3" ]
365
800006005003204170090170000002358090000000000400702036007003051510490380020060940
871936425653284179294175863162358794735649218489712536947823651516497382328561947
backtracking
[ "R0C6=4", "R4C5=9", "R3C1=6", "R6C1=4", "R1C4=8", "R0C3=9", "R3C0=1", "R6C3=8", "R8C2=8", "R8C0=3", "R2C7=6", "R0C1=7", "R4C4=4", "R2C2=4", "R2C8=3", "R8C3=5", "R5C2=9", "R0C7=2", "R8C5=1", "R2C6=8", "R5C1=8", "R7C8=2", "R2C5=5", "R4C8=8", "R1C8=9", "R3C6=7", "R0C2=1", "R2C0=2", "R6C4=2", "R6C6=6", "R5C4=1", "R4C7=1", "R4C1=3", "R4C2=5", "R1C0=6", "R8C8=7", "R4C0=7", "R3C8=4", "R0C4=3", "R6C0=9", "R4C3=6", "R7C5=7", "R7C2=6", "R5C6=5", "R4C6=2", "R1C1=5" ]
366
807000400300050008000020017460900020008300050509071300901237800705019200006040000
857196432312754698694823517463985721178362954529471386941237865785619243236548179
backtracking
[ "R4C6=9", "R3C8=1", "R0C3=1", "R8C8=9", "R2C2=4", "R7C1=8", "R2C5=3", "R8C6=1", "R1C5=4", "R3C4=8", "R1C1=1", "R0C4=9", "R8C1=3", "R0C1=5", "R2C0=6", "R3C5=5", "R1C3=7", "R5C8=6", "R1C2=2", "R5C7=8", "R0C8=2", "R1C7=9", "R5C1=2", "R8C7=7", "R8C3=5", "R5C3=4", "R3C6=7", "R6C8=5", "R4C1=7", "R3C2=3", "R4C5=2", "R0C5=6", "R0C7=3", "R6C1=4", "R2C6=5", "R8C0=2", "R4C0=1", "R7C8=3", "R2C3=8", "R2C1=9", "R7C3=6", "R7C7=4", "R4C4=6", "R8C5=8", "R6C7=6", "R1C6=6", "R4C8=4" ]
367
010800040090053000807010006009460020050300610031080407570000031008000200000297005
315826749496753182827914356789461523254379618631582497572648931968135274143297865
backtracking
[ "R2C3=9", "R1C8=2", "R4C8=8", "R1C6=1", "R8C0=1", "R5C7=9", "R0C8=9", "R1C3=7", "R4C0=2", "R7C1=6", "R5C0=6", "R6C3=6", "R3C0=7", "R2C5=4", "R0C4=2", "R6C2=2", "R7C7=7", "R3C1=8", "R0C0=3", "R8C7=6", "R4C5=9", "R4C4=7", "R4C2=4", "R0C6=7", "R2C6=3", "R3C8=3", "R3C5=1", "R0C2=5", "R5C3=5", "R8C2=3", "R6C6=9", "R6C5=8", "R2C1=2", "R2C7=5", "R6C4=4", "R7C3=1", "R1C2=6", "R7C5=5", "R8C1=4", "R5C5=2", "R7C8=4", "R7C0=9", "R7C4=3", "R3C6=5", "R0C5=6", "R1C7=8", "R8C6=8", "R1C0=4" ]
368
020304007305700260000080090970060530000105700003020081002006000006049058154000900
629354817385791264417682395971468532268135749543927681892516473736249158154873926
backtracking
[ "R4C4=3", "R6C8=3", "R5C5=7", "R6C3=5", "R8C5=3", "R0C7=1", "R4C8=9", "R3C3=4", "R7C1=3", "R2C8=5", "R4C2=8", "R2C6=3", "R6C4=1", "R0C0=6", "R7C6=1", "R4C0=2", "R8C3=8", "R3C8=2", "R2C0=4", "R5C6=6", "R0C6=8", "R0C2=9", "R6C7=7", "R8C4=7", "R2C5=2", "R2C1=1", "R6C0=8", "R4C1=6", "R1C5=1", "R8C7=2", "R3C5=8", "R8C8=6", "R1C4=9", "R0C4=5", "R2C2=7", "R5C1=4", "R6C6=4", "R2C3=6", "R1C1=8", "R4C7=4", "R3C2=1", "R7C3=2", "R1C8=4", "R7C0=7", "R5C0=5", "R6C1=9", "R5C3=9" ]
369
100900028030500060590001407080043000207600001000002980320067005050308640400005090
174936528832574169596821437985143276247689351613752984329467815751398642468215793
backtracking
[ "R3C7=7", "R1C8=9", "R7C4=9", "R7C0=7", "R1C4=7", "R0C4=3", "R8C2=8", "R3C8=6", "R5C8=4", "R2C2=6", "R1C5=4", "R2C3=8", "R1C2=2", "R4C5=9", "R7C2=1", "R6C2=9", "R8C6=7", "R6C3=4", "R4C6=3", "R1C0=8", "R0C1=7", "R6C6=8", "R8C4=1", "R5C0=6", "R0C2=4", "R5C4=5", "R4C1=4", "R0C6=5", "R5C1=1", "R4C4=8", "R3C6=2", "R0C5=6", "R5C3=7", "R3C3=1", "R3C2=5", "R2C7=3", "R2C4=2", "R8C8=3", "R3C0=9", "R7C8=2", "R4C7=5", "R6C7=1", "R8C1=6", "R1C6=1", "R5C2=3", "R8C3=2" ]
370
329000000060003170000080049100207800004900250570008016050020480083406005000030020
329174568468593172715682349196257834834961257572348916651729483283416795947835621
constraint_programming
[ "R3C2=6", "R7C4=1", "R2C3=6", "R2C5=2", "R6C0=6", "R1C4=9", "R5C4=4", "R4C8=7", "R0C4=7", "R1C3=5", "R1C8=2", "R0C5=4", "R6C2=1", "R4C0=8", "R2C1=1", "R6C8=3", "R1C2=8", "R8C2=7", "R0C6=5", "R7C7=9", "R3C7=3", "R6C3=7", "R8C5=5", "R5C6=9", "R8C3=8", "R2C6=3", "R8C1=4", "R0C8=8", "R8C0=9", "R8C6=6", "R4C5=1", "R7C6=7", "R3C4=5", "R4C4=6", "R4C1=3", "R8C8=1", "R5C2=2", "R3C8=4", "R7C0=2", "R2C2=5", "R2C0=7", "R0C7=6", "R1C0=4", "R0C3=1", "R5C3=3", "R6C5=9", "R3C1=9" ]
371
400317200206000100708090005007000504100509083000084601009800000300041000860205940
495317268236458179718692435687123594124569783953784621549876312372941856861235947
constraint_programming
[ "R0C1=9", "R4C1=2", "R6C6=3", "R6C0=5", "R4C2=4", "R2C3=6", "R0C8=8", "R1C4=5", "R1C1=3", "R2C7=3", "R4C6=7", "R6C7=1", "R1C8=9", "R7C1=7", "R3C4=2", "R6C8=2", "R7C8=6", "R6C5=6", "R5C7=2", "R3C5=3", "R1C7=7", "R1C5=8", "R7C2=2", "R6C4=7", "R3C1=8", "R7C6=8", "R8C2=1", "R3C7=9", "R8C8=7", "R5C0=9", "R1C3=4", "R6C1=4", "R5C2=3", "R4C4=6", "R2C5=2", "R2C6=4", "R5C3=7", "R3C3=1", "R2C1=1", "R3C0=6", "R8C4=3", "R0C7=6", "R0C2=5", "R7C3=9", "R7C7=5", "R5C1=5" ]
372
007540030016090007900002850300205198020034000060700000490300702000010403008006005
287541639516893247943672851374265198829134576165789324491358762652917483738426915
backtracking
[ "R6C5=8", "R2C4=7", "R7C2=2", "R2C8=1", "R5C5=9", "R1C3=8", "R7C7=8", "R5C4=8", "R8C0=7", "R1C6=2", "R8C3=4", "R0C1=8", "R7C0=6", "R7C5=7", "R4C2=9", "R3C2=4", "R6C4=5", "R4C7=7", "R2C1=4", "R0C6=6", "R1C7=4", "R4C3=1", "R4C0=8", "R1C5=3", "R3C4=6", "R3C1=7", "R2C3=6", "R6C2=1", "R8C7=1", "R7C3=9", "R5C8=4", "R5C2=5", "R7C1=5", "R4C6=5", "R1C0=5", "R0C5=1", "R2C2=3", "R8C1=3", "R5C6=3", "R0C8=9", "R6C7=6", "R4C8=6", "R8C4=2", "R5C7=2", "R8C6=9", "R5C0=1", "R0C0=2" ]
373
000000000045018003090740810003000091600980240000260700406570009010004000280036070
168329457745618923392745816823457691671983245954261738436572189517894362289136574
backtracking
[ "R0C2=8", "R0C5=9", "R8C6=5", "R7C7=6", "R4C2=1", "R7C0=5", "R7C3=8", "R5C5=1", "R3C1=2", "R4C5=3", "R5C7=3", "R2C0=3", "R8C2=9", "R8C3=1", "R3C3=4", "R7C2=7", "R5C0=9", "R5C1=5", "R3C6=6", "R6C6=1", "R2C2=2", "R5C8=8", "R1C0=7", "R0C4=2", "R3C0=8", "R8C8=4", "R0C7=5", "R1C7=2", "R0C8=7", "R1C6=9", "R6C7=8", "R5C2=4", "R4C8=5", "R0C3=3", "R6C1=3", "R0C0=1", "R6C5=2", "R7C6=3", "R2C8=6", "R7C4=9", "R0C6=4", "R1C3=6", "R3C4=5", "R2C5=5", "R7C8=2", "R4C1=7", "R0C1=6", "R3C5=7" ]
374
001000600300002458500600070096701300203058001000000240007004500040307029010086000
721845693369172458584639172496721385273458961158963247837294516645317829912586734
constraint_programming
[ "R6C4=9", "R6C3=2", "R7C0=6", "R0C1=2", "R1C3=1", "R3C4=2", "R5C1=5", "R2C8=2", "R8C7=3", "R8C8=4", "R2C6=1", "R6C7=1", "R3C7=8", "R8C0=9", "R5C8=7", "R2C5=9", "R1C4=7", "R6C0=8", "R5C2=8", "R7C6=8", "R6C8=6", "R3C8=5", "R5C3=9", "R5C5=3", "R0C8=3", "R8C3=5", "R1C2=9", "R0C4=4", "R2C4=3", "R0C0=7", "R2C1=8", "R0C7=9", "R7C4=1", "R8C2=2", "R8C6=7", "R7C2=5", "R4C1=7", "R0C3=8", "R4C6=9", "R4C3=4", "R4C7=6", "R5C4=6", "R5C0=1", "R1C1=6", "R0C5=5", "R6C1=3", "R3C0=4", "R2C2=4" ]
375
000007050014200760070060009003051802092003405700480003100390200030040001065008900
926817354514239768378564129643951872892673415751482693187395246239746581465128937
constraint_programming
[ "R2C7=2", "R6C2=7", "R2C3=5", "R3C0=6", "R0C8=4", "R7C5=6", "R2C5=4", "R0C4=1", "R4C4=7", "R2C0=3", "R7C3=7", "R4C3=6", "R6C7=4", "R8C7=3", "R7C7=8", "R1C4=3", "R4C0=8", "R5C5=2", "R0C0=9", "R3C7=7", "R4C7=1", "R6C5=5", "R6C8=6", "R5C7=9", "R8C8=7", "R0C3=8", "R5C1=5", "R0C1=2", "R3C3=9", "R1C5=9", "R2C6=1", "R1C8=8", "R5C6=6", "R3C1=4", "R7C0=2", "R7C6=5", "R5C2=1", "R6C1=8", "R0C2=6", "R2C2=8", "R1C0=5", "R8C3=1", "R8C0=4", "R0C6=3", "R8C4=2", "R7C2=9" ]
376
007096080020300100010200563000000240700500000083000607978024010500901000002003804
357196482826345179419278563695837241741562938283419657978624315534981726162753894
constraint_programming
[ "R1C7=7", "R3C5=7", "R0C1=5", "R3C0=6", "R1C2=6", "R8C3=7", "R7C7=2", "R6C6=3", "R7C1=3", "R6C8=5", "R7C4=8", "R0C3=1", "R4C8=8", "R8C1=6", "R5C5=9", "R2C0=4", "R1C5=5", "R4C4=6", "R4C2=1", "R0C6=4", "R3C2=5", "R5C4=1", "R3C4=3", "R7C8=6", "R0C0=3", "R0C8=2", "R5C3=4", "R7C2=4", "R2C2=9", "R8C0=1", "R5C7=5", "R4C6=9", "R8C4=5", "R5C0=2", "R3C8=1", "R7C6=7", "R6C3=6", "R4C7=3", "R1C8=9", "R1C0=8", "R3C3=8", "R4C5=2", "R2C5=8", "R4C1=4", "R1C4=4", "R3C1=9", "R2C4=7", "R8C7=9" ]
377
040000870700190060005300402073050001180900004596002700000040523000030000609508100
341265879728194365965387412473856291182973654596412738817649523254731986639528147
backtracking
[ "R1C1=2", "R7C8=6", "R7C1=5", "R5C3=4", "R1C8=5", "R7C7=8", "R5C8=8", "R6C0=8", "R7C5=1", "R0C0=3", "R0C3=2", "R4C7=5", "R8C8=7", "R4C5=3", "R3C7=9", "R2C7=1", "R8C7=4", "R3C0=4", "R4C2=2", "R1C2=8", "R7C6=9", "R6C1=1", "R8C4=2", "R0C5=5", "R3C6=2", "R5C4=1", "R1C6=3", "R5C7=3", "R0C4=6", "R2C5=7", "R4C4=7", "R2C0=9", "R7C3=7", "R6C2=7", "R6C3=6", "R6C5=9", "R7C2=4", "R7C0=2", "R4C6=6", "R3C5=6", "R2C1=6", "R0C2=1", "R2C4=8", "R8C1=3", "R1C5=4", "R0C8=9", "R3C3=8" ]
378
900600208610802350000400070850327004406005010000000000008010690007090002030740080
975631248614872359382459176851327964426985713793164825548213697167598432239746581
backtracking
[ "R6C8=7", "R4C1=2", "R5C4=6", "R7C6=4", "R8C2=9", "R7C5=8", "R8C8=1", "R5C1=9", "R0C2=5", "R0C7=4", "R5C5=4", "R8C0=2", "R4C4=8", "R5C0=7", "R3C6=9", "R3C7=6", "R3C2=1", "R5C3=1", "R7C1=6", "R0C1=7", "R5C8=5", "R1C4=7", "R1C8=9", "R7C3=5", "R2C6=1", "R2C5=9", "R2C8=6", "R2C4=5", "R5C2=3", "R6C1=4", "R2C2=2", "R0C5=1", "R2C1=8", "R4C3=9", "R6C5=3", "R5C7=2", "R7C7=3", "R4C6=7", "R6C0=5", "R2C0=3", "R8C6=5", "R1C2=4", "R7C0=1", "R4C8=3", "R6C3=2", "R5C6=8", "R0C4=3", "R8C5=6" ]
379
020139040060040800300000090905012300080507000601900700700000084538000120010750006
827139645169245873354876291975412368283567419641983752796321584538694127412758936
constraint_programming
[ "R2C8=1", "R5C7=5", "R0C2=7", "R6C6=5", "R2C5=6", "R4C2=3", "R1C8=3", "R6C1=9", "R2C3=8", "R8C6=9", "R4C7=1", "R8C2=2", "R7C4=9", "R4C0=2", "R5C1=4", "R1C0=1", "R2C4=7", "R3C8=8", "R6C4=2", "R6C5=1", "R5C4=8", "R7C3=6", "R3C1=7", "R0C0=8", "R4C4=6", "R5C8=2", "R0C6=6", "R7C5=4", "R4C6=4", "R5C5=3", "R8C0=4", "R7C8=7", "R2C2=4", "R8C5=8", "R2C1=5", "R1C2=9", "R1C5=5", "R1C3=2", "R1C7=7", "R3C3=4", "R2C6=2", "R0C8=5", "R4C8=9", "R6C2=6", "R3C7=6", "R6C3=3", "R8C7=3" ]
380
000100070057204900804060000400003569009010020528600400006300005000070080130980002
293158674657234918814769253471823569369415827528697431786342195942571386135986742
constraint_programming
[ "R2C3=7", "R6C0=7", "R0C5=8", "R3C3=8", "R4C0=3", "R2C5=9", "R1C8=8", "R6C1=8", "R2C1=1", "R1C7=1", "R7C8=6", "R7C2=2", "R1C0=6", "R8C7=4", "R0C8=4", "R0C2=3", "R2C6=2", "R0C0=2", "R0C1=9", "R6C6=1", "R5C7=3", "R2C7=5", "R0C4=5", "R3C4=2", "R4C6=8", "R0C6=6", "R6C7=9", "R4C5=5", "R4C8=7", "R7C3=5", "R7C0=9", "R8C2=5", "R3C1=7", "R6C5=2", "R6C4=4", "R1C4=3", "R5C5=7", "R7C6=3", "R8C6=7", "R5C4=9", "R7C5=1", "R2C8=3", "R4C1=6", "R4C3=4", "R3C2=1", "R5C8=1", "R7C1=4", "R8C5=6" ]
381
000070000302500018910000300040102000891050020000003470006204057000800104580006900
458371296362549718917628345743162589891457623625983471136294857279835164584716932
backtracking
[ "R5C2=5", "R0C8=6", "R2C4=2", "R6C1=3", "R3C8=9", "R4C8=3", "R2C8=5", "R6C6=8", "R5C4=8", "R0C1=5", "R3C7=8", "R3C2=3", "R5C8=1", "R2C5=8", "R7C2=9", "R4C5=7", "R1C1=6", "R6C0=1", "R6C4=9", "R2C7=4", "R1C5=9", "R7C4=3", "R1C4=4", "R8C4=1", "R5C1=2", "R8C8=2", "R0C6=2", "R7C1=7", "R7C5=5", "R4C3=4", "R1C6=7", "R4C6=6", "R3C4=6", "R7C7=6", "R3C0=7", "R0C2=8", "R5C0=6", "R8C7=3", "R7C0=2", "R8C3=7", "R8C2=4", "R0C3=3", "R2C2=7", "R0C0=4", "R2C3=6", "R3C6=5", "R0C5=1", "R0C7=9", "R5C3=9" ]
382
417000060309050000000001000002086001090502040800019053006000087003270590008300402
417923865389657124625841739532486971791532648864719253256194387143278596978365412
backtracking
[ "R8C5=5", "R6C4=9", "R4C2=1", "R4C6=6", "R5C6=2", "R2C0=6", "R4C0=7", "R2C1=2", "R7C8=6", "R4C4=3", "R1C8=4", "R2C4=4", "R7C0=1", "R0C6=8", "R5C1=6", "R2C2=5", "R2C8=9", "R8C1=7", "R2C3=8", "R6C1=5", "R4C8=8", "R1C1=8", "R8C7=1", "R8C0=9", "R6C5=4", "R7C1=4", "R0C4=2", "R5C2=4", "R0C8=5", "R3C1=3", "R6C3=1", "R1C6=1", "R1C5=7", "R0C3=9", "R3C0=5", "R0C5=3", "R1C7=2", "R3C7=7", "R7C5=8", "R8C4=6", "R2C7=3", "R5C3=7", "R3C6=9", "R6C6=3", "R1C3=6", "R3C3=4", "R6C0=2", "R2C6=7" ]
383
400680007000041502100007006780050010602000308034000060070860495053009000000210800
495682137367941582128537946789356214612794358534128769271863495853479621946215873
backtracking
[ "R6C5=3", "R1C7=8", "R2C7=4", "R5C5=8", "R7C4=7", "R2C2=8", "R0C6=1", "R3C6=2", "R8C7=7", "R0C5=2", "R8C2=6", "R3C8=4", "R1C0=3", "R5C0=5", "R6C2=1", "R8C5=5", "R2C6=9", "R7C6=6", "R7C3=4", "R3C2=9", "R8C8=3", "R7C0=8", "R0C1=9", "R7C7=2", "R5C4=2", "R0C7=3", "R4C1=1", "R1C1=6", "R0C2=5", "R2C3=5", "R5C6=7", "R6C0=2", "R1C2=7", "R8C1=4", "R3C5=6", "R3C3=3", "R7C8=1", "R4C3=7", "R4C5=4", "R4C7=5", "R8C0=9", "R2C1=2", "R1C3=9", "R4C4=9", "R2C4=3", "R5C8=9", "R5C3=1" ]
384
201009067906320400003704900005198070700000006402070003830000020020410005000800640
241589367976321458583764912365198274718243596492675183834956721629417835157832649
backtracking
[ "R2C8=2", "R0C6=3", "R8C5=2", "R5C7=8", "R7C2=9", "R7C6=8", "R6C8=1", "R4C4=4", "R1C5=1", "R2C7=1", "R0C3=5", "R0C1=4", "R3C1=6", "R1C1=7", "R4C1=1", "R8C8=9", "R0C4=8", "R6C2=4", "R5C5=5", "R6C5=6", "R6C4=5", "R2C0=5", "R3C0=3", "R6C6=7", "R2C4=6", "R5C1=9", "R4C7=9", "R7C0=6", "R1C7=5", "R1C8=8", "R8C0=1", "R2C1=8", "R4C5=3", "R3C8=4", "R6C3=9", "R4C3=2", "R8C1=5", "R4C6=5", "R5C3=6", "R3C6=2", "R7C5=7", "R5C6=1", "R4C2=8", "R8C2=7", "R7C7=3", "R8C4=3" ]
385
003000802406010500890002070009265001008309040075004060030000000010057094500603027
753946812426718539891532476349265781168379245275184963937421658612857394584693127
backtracking
[ "R8C2=4", "R2C4=3", "R2C2=1", "R8C1=8", "R1C1=2", "R1C3=7", "R2C6=4", "R6C7=5", "R3C7=8", "R6C2=7", "R0C0=7", "R1C5=8", "R0C4=4", "R0C1=5", "R7C6=3", "R7C2=2", "R2C8=6", "R4C4=7", "R2C3=5", "R3C0=3", "R4C0=1", "R1C7=3", "R0C7=1", "R5C6=9", "R5C8=3", "R6C0=9", "R0C5=6", "R5C0=2", "R4C1=6", "R4C6=2", "R0C3=9", "R6C5=1", "R7C3=8", "R5C3=1", "R4C8=5", "R3C1=4", "R6C4=2", "R8C6=1", "R6C8=8", "R1C8=9", "R8C4=9", "R7C0=6", "R5C4=8", "R3C6=7", "R6C6=6", "R6C3=4" ]
386
270000180083005904640030002000001400390000816800009050000060300010820790507010020
275496183183275964649138572752681439394752816861349257928567341416823795537914628
backtracking
[ "R2C5=8", "R4C4=5", "R5C2=1", "R7C0=4", "R1C4=7", "R2C2=9", "R6C3=5", "R8C8=8", "R3C7=3", "R5C4=4", "R8C5=4", "R3C4=8", "R0C8=3", "R8C1=3", "R1C0=1", "R0C4=9", "R5C6=2", "R3C0=7", "R3C2=2", "R1C7=6", "R7C8=5", "R2C6=5", "R6C5=7", "R6C7=4", "R3C8=9", "R5C3=3", "R1C3=2", "R4C3=7", "R6C1=2", "R5C8=7", "R8C6=6", "R8C3=9", "R5C1=6", "R7C5=3", "R0C2=5", "R0C3=4", "R2C7=7", "R0C5=6", "R7C2=6", "R4C5=2", "R4C2=4", "R6C8=1", "R6C2=8", "R2C3=1", "R3C1=5", "R3C3=6", "R6C0=9" ]
387
200800054038071900000002300020000010000046009096507800067030080480010500300600290
279863154538471962641952378724398615853146729196527843967235481482719536315684297
backtracking
[ "R2C2=1", "R8C1=1", "R1C0=5", "R2C1=4", "R0C6=1", "R1C3=4", "R7C8=6", "R5C0=1", "R8C5=4", "R7C5=9", "R6C6=4", "R6C8=1", "R6C5=5", "R8C4=8", "R1C8=2", "R2C8=8", "R4C0=8", "R6C3=2", "R7C2=2", "R0C4=6", "R3C3=3", "R2C0=6", "R2C4=5", "R0C2=9", "R4C1=5", "R7C3=7", "R5C8=3", "R3C6=6", "R3C2=4", "R1C7=6", "R3C5=8", "R4C3=1", "R2C7=7", "R3C4=9", "R6C0=9", "R0C5=3", "R3C8=5", "R3C0=7", "R5C4=2", "R8C8=7", "R4C7=2", "R5C7=4", "R2C3=9", "R7C7=3", "R0C1=7", "R4C2=3", "R8C2=5", "R4C6=7" ]
388
800200507060017340090003100070000032020100950004008070042030089001040000600752000
813264597265917348497583126176495832328176954954328671542631789731849265689752413
backtracking
[ "R3C6=8", "R1C8=8", "R5C0=9", "R7C0=7", "R8C2=9", "R6C0=5", "R8C8=3", "R0C5=4", "R5C6=6", "R2C7=2", "R8C1=8", "R8C6=4", "R4C4=7", "R5C8=1", "R2C8=6", "R5C3=3", "R7C1=3", "R7C3=8", "R7C7=6", "R8C7=1", "R2C0=4", "R4C0=3", "R2C4=8", "R7C6=2", "R4C5=6", "R6C3=6", "R3C0=1", "R0C1=1", "R6C6=7", "R7C5=9", "R0C2=3", "R7C8=5", "R4C8=4", "R2C2=7", "R2C3=5", "R1C0=2", "R0C7=9", "R1C2=5", "R5C1=5", "R1C3=9", "R6C5=1", "R3C2=6", "R3C5=5", "R0C4=6", "R4C2=8", "R3C4=9", "R3C3=4", "R5C4=2" ]
389
000763500000100694008040000085020000710030009002006801900800060500094270073002045
149763582237185694658249317485921736716538429392476851924857163561394278873612945
constraint_programming
[ "R2C8=7", "R2C1=5", "R0C0=1", "R2C7=1", "R6C1=2", "R3C8=6", "R4C6=4", "R1C0=2", "R6C6=1", "R8C0=8", "R3C3=9", "R5C3=4", "R2C5=9", "R2C6=3", "R5C0=3", "R4C2=6", "R3C5=1", "R3C6=7", "R5C7=5", "R6C5=7", "R1C2=7", "R4C7=2", "R5C4=7", "R7C1=6", "R0C2=9", "R7C2=1", "R6C4=5", "R3C7=3", "R2C0=6", "R1C1=3", "R5C1=9", "R7C3=3", "R1C5=5", "R0C1=4", "R0C8=2", "R4C3=5", "R4C5=8", "R7C8=8", "R8C3=6", "R8C6=9", "R6C8=3", "R0C7=8", "R1C4=8", "R2C3=2", "R8C4=1", "R3C0=4", "R6C2=4" ]
390
800009070705020030010600004038000057090147000006800201900310600050904000240005380
824539176765421938319678524138296457592147863476853291987312645653984712241765389
backtracking
[ "R8C4=6", "R5C0=4", "R8C2=1", "R2C4=7", "R7C2=3", "R3C5=6", "R7C6=7", "R7C0=6", "R5C1=7", "R2C5=8", "R5C4=5", "R6C7=4", "R2C6=5", "R5C7=9", "R4C0=5", "R4C6=8", "R0C2=4", "R4C8=3", "R2C7=2", "R7C8=2", "R3C3=2", "R2C0=3", "R1C6=9", "R3C0=1", "R3C6=4", "R8C8=9", "R0C8=6", "R8C3=7", "R0C6=1", "R7C4=8", "R6C8=5", "R5C5=3", "R6C5=2", "R4C7=6", "R0C4=3", "R4C2=2", "R7C7=1", "R6C2=7", "R0C3=5", "R2C2=9", "R0C1=2", "R1C1=6", "R3C4=9", "R1C3=4", "R6C1=8", "R1C5=1", "R1C8=8" ]
391
900200060000071800041506200008000400032004916060300005250089003000703500009410007
975248361623971854841536279598167432732854916164392785257689143416723598389415627
backtracking
[ "R4C4=5", "R7C0=4", "R5C7=8", "R8C5=5", "R1C2=3", "R3C5=7", "R8C6=6", "R6C3=6", "R4C3=8", "R3C8=2", "R3C3=1", "R5C0=1", "R3C4=6", "R8C0=3", "R1C3=9", "R8C7=2", "R5C2=4", "R1C0=6", "R0C5=8", "R6C7=4", "R3C7=3", "R0C6=3", "R7C1=1", "R5C6=7", "R2C7=7", "R1C7=5", "R4C0=7", "R7C8=8", "R2C8=9", "R2C0=8", "R6C2=7", "R7C2=6", "R2C4=3", "R3C1=9", "R0C2=5", "R7C4=2", "R8C1=8", "R0C4=4", "R5C5=2", "R5C4=9", "R1C8=4", "R1C1=2", "R0C8=1", "R6C6=1", "R3C0=5", "R0C1=7", "R7C7=9" ]
392
050000090904008673003790001680002050009100006005073000140800000007006032800527040
758361294914258673263794581681942357379185426425673918142839765597416832836527149
constraint_programming
[ "R3C4=4", "R4C7=2", "R4C0=3", "R3C3=9", "R7C1=9", "R0C4=6", "R4C1=7", "R6C2=2", "R5C8=8", "R7C4=1", "R1C1=1", "R3C8=7", "R2C6=5", "R6C4=3", "R2C0=2", "R8C1=3", "R6C5=9", "R7C0=5", "R0C6=2", "R8C8=9", "R6C8=5", "R5C1=2", "R7C3=4", "R8C2=6", "R5C0=4", "R0C5=1", "R1C3=2", "R0C8=4", "R4C5=5", "R0C2=8", "R7C6=8", "R3C2=1", "R6C7=6", "R2C5=4", "R5C7=1", "R5C6=9", "R2C1=6", "R4C4=8", "R3C6=3", "R8C6=1", "R2C7=8", "R6C6=7", "R0C3=3", "R4C6=4", "R1C4=5", "R0C0=7", "R5C3=6" ]
393
004800063100537000029000800000052046003010905200040780570006200008000004060391500
754829163186537492329164857817952346643718925295643781571486239938275614462391578
constraint_programming
[ "R3C2=7", "R5C8=1", "R1C2=6", "R7C1=3", "R6C7=3", "R1C7=9", "R6C2=1", "R6C3=4", "R0C1=5", "R2C5=4", "R4C7=2", "R2C8=7", "R1C8=2", "R0C6=1", "R6C8=9", "R2C4=6", "R3C0=8", "R1C6=4", "R3C3=9", "R3C6=3", "R2C7=5", "R8C2=2", "R8C8=8", "R4C0=6", "R5C5=3", "R2C0=3", "R4C5=8", "R7C0=9", "R7C7=1", "R4C1=4", "R7C5=5", "R0C4=2", "R3C1=1", "R1C1=8", "R8C0=4", "R7C4=7", "R8C7=7", "R5C1=9", "R7C6=6", "R0C0=7", "R2C3=1", "R7C3=2", "R0C5=9", "R5C3=6", "R4C3=7", "R6C4=8", "R5C2=5" ]
394
002005009100670000050012840900100300081403060007520000000806035230000100845000970
472385619198674523653912847924167358581493762367528491719846235236759184845231976
constraint_programming
[ "R3C1=2", "R7C7=8", "R5C8=1", "R1C5=4", "R7C8=4", "R2C8=7", "R3C7=5", "R4C0=5", "R2C0=6", "R8C4=3", "R8C5=1", "R1C2=8", "R3C2=4", "R4C6=7", "R0C6=6", "R3C4=6", "R2C2=3", "R3C8=8", "R7C3=7", "R0C4=8", "R2C3=9", "R6C0=7", "R7C4=5", "R7C2=6", "R1C1=9", "R1C7=2", "R1C6=5", "R0C1=7", "R5C6=4", "R6C1=1", "R0C3=3", "R3C5=7", "R1C8=3", "R6C4=4", "R5C1=6", "R6C6=2", "R5C7=9", "R0C0=4", "R0C7=1", "R5C0=3", "R6C2=9", "R8C8=6", "R4C8=2", "R8C3=2", "R5C5=8", "R7C5=9", "R4C4=9" ]
395
300070208290308016015006040053020401000160005000704600081000002000005780704000003
346571298297348516815296347653829471479163825128754639581437962932615784764982153
backtracking
[ "R6C7=6", "R6C0=5", "R2C6=3", "R6C3=4", "R5C1=2", "R8C3=9", "R3C0=6", "R4C7=2", "R1C6=5", "R7C0=9", "R7C1=3", "R5C2=8", "R3C5=9", "R4C1=7", "R8C1=6", "R7C2=2", "R8C7=5", "R1C2=7", "R2C4=9", "R4C5=3", "R8C6=1", "R7C8=4", "R4C2=9", "R6C6=9", "R2C8=7", "R4C0=4", "R5C0=1", "R0C2=6", "R2C0=8", "R6C5=7", "R0C1=4", "R3C7=7", "R0C5=1", "R8C4=8", "R7C3=6", "R2C3=2", "R5C4=5", "R5C8=9", "R1C4=4", "R0C7=9", "R8C5=2", "R3C3=8", "R5C7=3", "R6C4=3", "R4C6=8", "R7C4=1", "R0C3=5" ]
396
004359020010600000203000640100000304095210708006040002300500080082006095009107000
674359821918624573253871649127968354495213768836745912361592487782436195549187236
backtracking
[ "R5C1=3", "R1C4=2", "R6C5=2", "R6C6=4", "R8C7=3", "R3C7=5", "R2C1=5", "R1C6=5", "R6C4=9", "R3C2=7", "R6C2=1", "R3C5=8", "R8C0=5", "R7C4=3", "R7C3=4", "R0C0=6", "R8C8=6", "R5C7=1", "R6C8=7", "R1C2=8", "R7C6=1", "R5C0=8", "R7C0=7", "R0C6=8", "R4C7=6", "R8C4=8", "R8C1=4", "R3C3=9", "R1C7=7", "R2C3=8", "R1C8=3", "R3C1=2", "R1C5=4", "R0C1=7", "R8C6=2", "R1C0=9", "R5C5=5", "R4C5=3", "R2C8=9", "R0C8=1", "R2C5=1", "R4C0=4", "R5C6=9", "R2C4=7", "R5C3=7", "R3C4=6", "R6C1=6" ]
397
005204060000060980001000003710402800600003009003008041070806005304100000890070200
985234167437561982261987453719452836648713529523698741172846395354129678896375214
backtracking
[ "R4C6=5", "R4C1=4", "R0C1=8", "R7C6=6", "R8C3=3", "R2C3=9", "R5C4=9", "R2C1=6", "R0C8=7", "R2C6=4", "R2C0=2", "R5C3=6", "R5C6=7", "R8C5=5", "R2C7=5", "R1C2=7", "R7C8=8", "R6C2=2", "R0C4=3", "R0C6=1", "R7C7=7", "R5C0=5", "R4C3=7", "R0C0=9", "R2C4=8", "R6C0=1", "R1C8=2", "R1C1=3", "R1C5=1", "R3C4=5", "R6C6=3", "R8C7=1", "R1C0=4", "R2C5=7", "R8C8=4", "R8C2=6", "R3C2=9", "R6C7=9", "R7C1=5", "R3C7=3", "R3C8=6", "R4C4=1", "R5C1=2", "R6C4=4", "R1C3=5", "R7C5=9", "R4C2=8", "R7C4=2", "R4C7=2" ]
398
540806000030000000008419020026790104001200600890000053065070009000104760004000508
542836971139527846678419325326795184451283697897641253265378419983154762714962538
constraint_programming
[ "R4C1=5", "R0C8=1", "R4C8=7", "R0C7=7", "R2C0=6", "R6C7=1", "R7C4=5", "R3C5=5", "R8C3=9", "R7C1=8", "R8C0=7", "R2C1=7", "R6C3=3", "R1C5=7", "R1C8=6", "R0C6=9", "R4C7=9", "R8C7=3", "R1C0=1", "R5C4=4", "R1C2=9", "R6C0=2", "R4C0=4", "R7C0=9", "R5C2=7", "R3C0=3", "R5C3=6", "R8C1=1", "R5C5=1", "R7C2=3", "R4C5=3", "R1C4=2", "R1C7=4", "R6C5=8", "R0C2=2", "R2C6=3", "R8C5=2", "R7C8=2", "R5C6=2", "R0C4=3", "R2C8=5", "R1C3=5", "R4C4=8", "R8C4=6", "R3C7=8", "R6C6=4", "R1C6=8" ]
399
700038042020007109030060000800000050007003214051900063009810006400006085500002700
795138642628457139134269578843621957967583214251974863379815426412796385586342791
constraint_programming
[ "R7C1=1", "R5C0=2", "R1C4=5", "R1C3=4", "R6C0=3", "R4C0=9", "R6C6=4", "R4C1=6", "R6C7=2", "R8C7=9", "R3C2=3", "R2C0=1", "R5C6=8", "R3C4=2", "R3C6=9", "R8C1=8", "R2C3=2", "R1C2=8", "R4C3=5", "R2C6=5", "R8C2=6", "R3C3=6", "R3C1=4", "R2C5=9", "R8C8=1", "R1C7=3", "R5C5=4", "R4C4=8", "R2C7=7", "R0C2=5", "R7C6=3", "R6C5=5", "R3C8=7", "R2C8=8", "R8C4=4", "R2C2=4", "R0C3=1", "R7C2=2", "R0C1=9", "R5C4=7", "R8C3=3", "R7C4=9", "R0C6=6", "R6C1=7", "R1C0=6", "R3C5=1", "R7C3=7" ]