id
int64
0
1,000k
quizzes
stringlengths
81
81
solutions
stringlengths
81
81
method
stringclasses
2 values
steps
sequencelengths
44
52
600
000398007704006820010000050003000010607010905500723400006470001009002504400500306
265398147734156829918247653843965712627814935591723468356479281189632574472581396
constraint_programming
[ "R4C5=4", "R5C2=1", "R2C5=7", "R8C4=8", "R6C1=5", "R5C1=9", "R6C7=8", "R3C0=8", "R4C3=8", "R0C1=6", "R5C8=8", "R8C1=7", "R7C4=3", "R5C7=6", "R1C3=1", "R2C3=2", "R7C7=7", "R4C1=2", "R3C1=4", "R3C8=2", "R4C7=3", "R8C5=1", "R3C4=6", "R6C6=2", "R8C7=9", "R3C5=5", "R7C1=8", "R1C4=5", "R1C1=3", "R6C0=3", "R6C5=9", "R2C0=9", "R0C0=2", "R3C6=7", "R3C3=9", "R0C2=5", "R2C6=6", "R1C8=9", "R2C8=3", "R8C2=2", "R7C3=6", "R2C2=8", "R2C4=4", "R0C7=4", "R7C0=1", "R0C6=1" ]
601
000040051700203800598070000300095406286007300004000000070030600020100030060089012
632948751741253869598671243317895426286417395954326178179532684825164937463789512
backtracking
[ "R0C6=7", "R1C8=9", "R2C6=2", "R4C3=4", "R8C0=4", "R7C5=4", "R5C6=1", "R6C2=9", "R2C8=3", "R5C1=5", "R4C8=5", "R4C7=9", "R7C6=9", "R7C0=8", "R5C3=3", "R6C7=8", "R8C6=5", "R3C7=2", "R7C8=7", "R5C5=6", "R1C7=6", "R1C1=4", "R0C3=9", "R2C7=4", "R5C0=9", "R7C4=6", "R1C4=5", "R6C0=1", "R3C3=8", "R6C8=4", "R4C4=1", "R0C1=3", "R7C2=5", "R5C7=7", "R8C3=7", "R6C5=2", "R2C5=1", "R8C2=3", "R0C5=8", "R0C2=2", "R3C2=7", "R1C2=1", "R2C3=6", "R5C8=8", "R5C4=2", "R6C3=5", "R3C1=1", "R0C0=6" ]
602
700000090420060103009070802907400000350690400040000018090745030001000200630028050
783214596425869173169573842917482365358691427246357918892745631571936284634128759
constraint_programming
[ "R0C6=5", "R5C4=5", "R6C2=2", "R0C3=2", "R2C1=6", "R5C5=7", "R3C8=5", "R0C2=3", "R2C3=5", "R3C6=3", "R2C0=1", "R1C2=5", "R6C8=1", "R1C3=8", "R0C1=8", "R6C6=6", "R3C1=1", "R0C5=4", "R8C6=7", "R5C6=9", "R7C5=6", "R4C7=2", "R4C8=7", "R2C5=3", "R3C7=6", "R7C1=7", "R4C2=8", "R7C0=5", "R8C2=4", "R8C3=1", "R0C8=6", "R1C7=7", "R7C3=9", "R5C0=2", "R7C4=3", "R1C5=9", "R8C8=9", "R3C4=8", "R3C5=2", "R7C7=8", "R6C0=8", "R7C8=4", "R5C2=6", "R5C3=3", "R0C4=1", "R2C7=4", "R4C5=1" ]
603
900032800000516000052708040603059020000000167204000000030800009107000300080320750
961432875748516932352798641673159428895243167214687593536874219127965384489321756
backtracking
[ "R1C8=2", "R0C2=1", "R3C8=8", "R1C6=9", "R6C5=4", "R7C1=2", "R1C7=3", "R6C7=1", "R3C6=4", "R5C8=3", "R2C8=1", "R5C7=9", "R5C6=5", "R7C5=5", "R5C4=8", "R3C1=7", "R8C0=4", "R7C3=9", "R8C2=9", "R0C3=4", "R3C3=1", "R8C8=6", "R2C0=3", "R7C7=8", "R6C4=7", "R4C3=2", "R5C3=6", "R6C2=6", "R0C7=7", "R1C0=7", "R4C1=9", "R4C2=5", "R7C4=6", "R6C6=2", "R1C2=8", "R8C5=1", "R2C4=9", "R4C5=3", "R7C8=4", "R0C8=5", "R4C4=4", "R5C1=1", "R4C0=8", "R2C6=6", "R1C1=4", "R6C0=5", "R5C5=7", "R0C1=6" ]
604
060034090093000706108700000076205080000008510000900004901300062050080300027049001
762534198593821746148796235476215983239468517815973624981357462654182379327649851
backtracking
[ "R4C0=2", "R6C6=4", "R3C6=9", "R3C4=1", "R4C4=6", "R1C3=8", "R6C5=7", "R7C7=7", "R2C7=3", "R2C4=9", "R2C6=2", "R5C6=6", "R8C3=6", "R4C2=9", "R1C5=1", "R4C8=7", "R5C5=3", "R2C8=5", "R4C1=3", "R5C2=5", "R0C3=5", "R7C2=4", "R5C4=7", "R2C5=6", "R4C3=4", "R7C0=6", "R3C8=3", "R3C0=4", "R0C8=8", "R5C7=2", "R7C3=1", "R1C7=4", "R0C2=2", "R2C1=4", "R8C0=3", "R1C0=5", "R8C6=8", "R6C1=8", "R5C0=8", "R7C8=9", "R7C5=2", "R0C6=1", "R6C4=5", "R8C7=5", "R1C4=2", "R0C0=7", "R5C1=1" ]
605
070000000032948007000000963407090850500020306009081000140060075005700000000003184
971635428632948517854172963427396851518427396369581742143869275285714639796253184
backtracking
[ "R2C0=8", "R4C3=4", "R7C0=2", "R8C3=2", "R7C7=3", "R1C7=1", "R0C3=6", "R7C5=4", "R8C0=7", "R6C2=3", "R8C2=6", "R1C6=5", "R6C3=8", "R2C1=5", "R0C5=5", "R1C0=6", "R5C6=7", "R4C2=8", "R0C6=4", "R4C5=7", "R3C8=1", "R0C4=3", "R5C0=3", "R8C1=9", "R4C7=9", "R5C7=4", "R2C2=4", "R5C8=2", "R3C1=2", "R3C5=6", "R0C7=2", "R7C4=1", "R8C4=5", "R0C0=9", "R7C1=8", "R6C6=2", "R7C6=6", "R6C5=9", "R2C4=7", "R5C3=5", "R2C5=2", "R0C8=8", "R3C3=3", "R0C2=1", "R5C1=6", "R2C3=1", "R4C1=1", "R7C8=9" ]
606
030609142100570086008032000000040900095000037800006400700390010310007005054020060
537689142129574386648132579261743958495218637873956421786395214312467895954821763
constraint_programming
[ "R3C2=1", "R6C6=2", "R3C0=2", "R3C8=8", "R0C2=7", "R3C1=6", "R5C4=5", "R7C2=2", "R0C4=8", "R8C6=7", "R8C0=9", "R1C6=3", "R3C7=5", "R4C3=2", "R0C0=5", "R6C8=4", "R2C1=4", "R6C5=5", "R5C8=1", "R1C2=9", "R4C5=8", "R5C1=7", "R7C7=9", "R7C6=8", "R7C4=6", "R8C8=3", "R5C3=9", "R2C7=7", "R7C3=4", "R2C3=1", "R2C8=9", "R1C1=2", "R2C0=6", "R6C1=8", "R5C2=3", "R4C0=4", "R4C6=6", "R5C7=2", "R8C5=1", "R4C4=1", "R8C3=8", "R1C5=4", "R2C6=5", "R6C2=6", "R3C5=3", "R3C3=7" ]
607
900005010100020960076004300032006059608700040001080002000037020000200408500009701
983675214145328967276914385732146859658792143491583672819437526367251498524869731
backtracking
[ "R5C7=7", "R5C3=5", "R2C3=9", "R3C4=4", "R2C8=5", "R0C2=3", "R0C4=7", "R8C1=2", "R5C0=4", "R5C6=6", "R7C5=1", "R2C7=8", "R1C3=3", "R4C5=2", "R4C6=1", "R6C8=6", "R0C3=6", "R0C1=8", "R0C6=2", "R5C5=3", "R3C3=1", "R2C0=2", "R8C4=6", "R1C5=8", "R0C8=4", "R1C1=4", "R7C7=9", "R7C2=7", "R2C4=1", "R1C8=7", "R3C6=8", "R7C0=3", "R4C1=5", "R6C3=4", "R6C0=8", "R8C3=8", "R8C7=3", "R4C4=9", "R4C8=3", "R5C1=9", "R8C2=4", "R6C2=9", "R6C6=5", "R6C1=1", "R7C1=6", "R3C0=7", "R1C2=5", "R7C4=5" ]
608
400060580096020000700409061007030000052001790000900135840003002000600350103080047
421367589596128473738459261917536824352841796684972135845793612279614358163285947
backtracking
[ "R0C5=7", "R5C5=2", "R7C0=2", "R3C0=9", "R3C7=2", "R4C3=8", "R4C8=6", "R7C4=1", "R3C5=6", "R1C7=7", "R8C3=2", "R3C3=5", "R7C5=4", "R5C2=4", "R6C6=6", "R6C4=9", "R1C3=1", "R1C6=4", "R1C0=5", "R6C3=7", "R2C1=3", "R0C3=3", "R7C2=9", "R7C1=7", "R2C2=8", "R2C6=2", "R5C4=7", "R2C4=5", "R6C2=5", "R4C0=3", "R5C0=6", "R3C8=4", "R0C8=9", "R0C2=1", "R3C6=8", "R1C5=8", "R8C5=5", "R0C1=2", "R8C1=6", "R6C7=1", "R1C8=3", "R5C1=8", "R7C8=8", "R4C4=4", "R3C1=1", "R8C6=9" ]
609
005940100010700958200600730500009070803020000901000406087014600000003000420506001
735948162614732958298651734542169873863427519971385426387214695156893247429576381
constraint_programming
[ "R5C5=5", "R7C4=9", "R5C1=7", "R3C4=6", "R4C3=4", "R1C2=4", "R0C5=8", "R5C3=3", "R0C7=6", "R8C7=8", "R6C0=3", "R0C1=3", "R7C8=7", "R7C7=4", "R4C1=6", "R8C4=7", "R2C1=9", "R6C3=2", "R4C8=9", "R3C8=3", "R3C3=1", "R2C8=4", "R5C7=2", "R7C1=5", "R2C5=1", "R0C0=7", "R6C7=9", "R1C4=3", "R1C5=2", "R8C2=9", "R5C4=8", "R3C2=2", "R3C6=8", "R2C4=5", "R3C1=4", "R2C2=8", "R8C6=3", "R7C2=6", "R4C7=1", "R7C3=8", "R0C8=2", "R7C6=2", "R4C5=7", "R1C0=6", "R6C8=5", "R7C0=1", "R4C6=5" ]
610
160000005900012700000806430670040859000080000004025173786300204400000010030900006
168437925943512768527896431672143859315789642894625173786351294459268317231974586
backtracking
[ "R7C1=5", "R7C2=9", "R2C2=7", "R8C0=2", "R4C8=2", "R1C2=3", "R7C3=2", "R1C7=6", "R7C5=8", "R8C5=4", "R1C1=4", "R4C5=9", "R2C8=1", "R3C5=3", "R0C7=2", "R2C1=2", "R8C4=7", "R5C0=8", "R6C5=1", "R2C4=9", "R0C5=7", "R2C0=5", "R1C3=5", "R6C7=9", "R5C3=6", "R0C4=3", "R4C6=6", "R6C4=5", "R5C1=9", "R4C3=7", "R0C3=4", "R8C2=1", "R4C1=1", "R4C2=5", "R0C2=8", "R7C6=3", "R3C3=1", "R1C8=8", "R8C7=8", "R0C6=9", "R7C4=6", "R4C0=3", "R8C6=5", "R7C8=7", "R4C7=4", "R3C2=2" ]
611
370040050065901070002600980080010069700003004041020000008000500020004390630570028
379248651865931472412657983283415769756893214941726835198362547527184396634579128
backtracking
[ "R8C2=4", "R3C3=4", "R3C5=5", "R7C8=6", "R0C2=9", "R5C8=5", "R4C7=1", "R6C0=1", "R5C7=3", "R2C8=3", "R0C6=6", "R6C5=2", "R0C8=1", "R1C8=2", "R1C0=8", "R4C4=9", "R4C3=8", "R6C4=6", "R5C0=9", "R5C3=7", "R5C6=8", "R0C5=8", "R4C1=5", "R8C6=1", "R2C4=5", "R8C5=9", "R6C7=4", "R0C3=2", "R4C2=6", "R7C4=8", "R3C2=3", "R2C0=4", "R6C1=9", "R1C4=3", "R7C0=5", "R3C6=7", "R1C6=4", "R2C1=1", "R6C3=3", "R6C8=7", "R7C3=1", "R4C6=2", "R2C5=7", "R7C2=7", "R5C5=6", "R3C0=2" ]
612
040200067005040109791500000238000000070100345100670800400060921000080073060009000
843291567625847139791536284238954716976128345154673892487365921519482673362719458
backtracking
[ "R5C1=5", "R4C2=6", "R5C5=3", "R2C4=3", "R2C5=6", "R7C2=9", "R3C7=1", "R0C6=5", "R4C0=9", "R4C4=2", "R2C7=8", "R1C1=2", "R8C2=2", "R1C5=7", "R3C8=6", "R3C6=7", "R8C3=7", "R0C2=3", "R8C0=3", "R8C4=1", "R7C6=6", "R3C5=4", "R5C2=4", "R5C8=2", "R8C8=8", "R6C2=7", "R6C5=5", "R2C8=4", "R0C0=8", "R3C4=5", "R4C5=8", "R8C7=5", "R1C0=6", "R7C3=4", "R1C7=3", "R6C3=3", "R0C4=9", "R7C1=1", "R1C3=8", "R7C0=5", "R7C5=2", "R8C6=4", "R5C7=9", "R3C3=9", "R0C5=1", "R2C6=2", "R6C1=8" ]
613
300400901050072064076030020904701008700280050030006000800020106010090007090508000
382465971159872364476139825924751638761283459538946712845327196213694587697518243
backtracking
[ "R4C2=1", "R6C2=5", "R1C0=1", "R7C5=4", "R8C7=4", "R1C2=9", "R2C3=1", "R2C8=5", "R3C1=2", "R7C7=8", "R5C2=8", "R6C1=4", "R3C4=5", "R3C7=3", "R4C1=6", "R0C1=8", "R0C4=6", "R8C2=7", "R6C3=3", "R4C8=9", "R8C0=6", "R3C6=6", "R5C4=4", "R8C6=2", "R5C7=1", "R4C6=4", "R2C6=8", "R2C5=9", "R8C4=1", "R5C3=9", "R0C2=2", "R4C5=3", "R8C8=3", "R7C0=2", "R7C3=6", "R0C7=7", "R2C0=4", "R5C0=5", "R0C5=5", "R5C6=7", "R6C7=9", "R7C2=3", "R7C6=5", "R5C8=2", "R6C5=7", "R1C6=3", "R1C3=8" ]
614
089600000000107490000042063067025000004090106200001004006000501950830070372000008
489653217623187495715942863167425389534798126298361754846279531951834672372516948
backtracking
[ "R3C7=8", "R4C0=5", "R1C2=3", "R4C7=2", "R5C2=8", "R0C6=2", "R1C4=8", "R0C5=3", "R1C1=2", "R0C0=4", "R4C3=7", "R0C4=5", "R7C6=6", "R8C7=4", "R7C5=4", "R5C7=5", "R8C5=6", "R5C1=9", "R7C2=1", "R3C6=3", "R8C3=5", "R2C6=8", "R2C2=5", "R8C6=9", "R5C6=7", "R5C4=6", "R6C4=7", "R8C4=1", "R3C0=1", "R6C1=4", "R2C0=7", "R0C8=7", "R1C8=5", "R6C5=9", "R4C5=8", "R1C0=6", "R2C1=1", "R6C7=3", "R6C3=2", "R5C3=3", "R6C0=8", "R4C1=3", "R7C8=2", "R3C3=4", "R0C7=1", "R2C3=9", "R3C8=9" ]
615
029350000100002345080006000001460092097000680000000500000703400835010009060920001
429357168176892345583146927351468792297531684648279513912783456835614279764925831
constraint_programming
[ "R6C4=8", "R2C4=4", "R2C0=5", "R7C7=7", "R3C5=8", "R5C8=3", "R3C1=5", "R4C8=4", "R5C2=8", "R0C6=1", "R6C0=9", "R4C3=5", "R6C2=2", "R8C6=8", "R7C6=2", "R5C4=7", "R2C6=9", "R3C0=3", "R4C4=3", "R5C0=6", "R8C5=5", "R2C8=7", "R8C7=3", "R1C1=7", "R1C4=9", "R6C1=1", "R5C7=1", "R4C5=1", "R3C6=7", "R5C5=9", "R1C3=8", "R2C7=2", "R2C2=3", "R7C5=4", "R0C5=7", "R6C7=5", "R0C8=8", "R0C0=4", "R4C0=2", "R6C8=6", "R7C3=6", "R8C0=7", "R2C3=1", "R0C7=6", "R5C1=4", "R8C2=4", "R5C3=2", "R1C2=6" ]
616
001000070028006540406009000000030260000957400835020001954100007200000036010078900
591342678328716549476589312749831265162957483835624791954163827287495136613278954
backtracking
[ "R3C2=9", "R2C1=7", "R3C8=5", "R8C3=2", "R3C1=4", "R6C7=2", "R0C6=6", "R6C4=6", "R4C7=8", "R1C3=7", "R7C4=9", "R3C0=7", "R5C6=7", "R0C8=8", "R1C0=3", "R6C5=3", "R7C6=1", "R3C3=8", "R7C2=7", "R2C7=1", "R4C0=1", "R8C0=6", "R7C1=8", "R0C0=5", "R1C8=9", "R8C7=5", "R2C3=5", "R0C5=2", "R7C3=4", "R4C2=2", "R8C2=3", "R2C6=3", "R5C3=6", "R6C6=8", "R5C5=4", "R0C3=3", "R5C7=9", "R4C8=3", "R3C5=1", "R7C5=5", "R2C8=2", "R1C4=1", "R0C1=9", "R8C8=4", "R4C1=6", "R2C4=8", "R0C4=4" ]
617
085900027000010000030087140201009470040005000000070296508020010006400000007601903
185946327974312568632587149261839475749265831853174296598723614316498752427651983
backtracking
[ "R1C0=9", "R3C4=3", "R7C7=5", "R2C8=9", "R1C2=4", "R2C2=2", "R1C5=2", "R6C6=6", "R8C4=5", "R4C2=9", "R2C0=6", "R5C0=8", "R3C3=8", "R1C6=5", "R7C0=3", "R7C6=7", "R5C3=1", "R3C8=5", "R5C5=4", "R1C8=8", "R1C3=3", "R0C5=6", "R4C7=3", "R4C6=8", "R7C8=2", "R7C4=9", "R6C5=3", "R3C1=6", "R4C0=7", "R4C8=1", "R7C5=8", "R5C2=3", "R7C1=1", "R4C3=2", "R0C0=1", "R0C4=4", "R4C4=6", "R2C3=5", "R8C0=4", "R6C1=9", "R6C8=4", "R1C7=6", "R5C1=5", "R8C1=2", "R6C3=7", "R8C7=8", "R0C6=3", "R1C1=7" ]
618
002500901070000804500100060450700602001608007090000340605003080000902000040015720
362584971179326854584197263458739612231648597796251348625473189817962435943815726
constraint_programming
[ "R3C7=1", "R0C4=8", "R1C4=2", "R8C2=3", "R6C3=4", "R7C2=7", "R3C4=3", "R5C2=6", "R1C2=9", "R4C1=3", "R7C1=1", "R0C7=7", "R7C6=4", "R7C8=5", "R6C6=1", "R4C4=4", "R1C3=3", "R0C0=3", "R2C2=4", "R2C8=3", "R6C8=9", "R0C5=4", "R1C7=5", "R0C1=6", "R2C6=2", "R8C0=9", "R4C0=2", "R6C4=7", "R5C0=7", "R4C6=5", "R7C4=6", "R4C7=9", "R2C4=9", "R2C1=8", "R7C0=8", "R7C7=3", "R6C1=2", "R5C8=8", "R3C5=9", "R8C8=6", "R5C5=1", "R3C2=8", "R2C5=7", "R5C3=2", "R1C5=6", "R1C0=1", "R5C4=5", "R8C3=8" ]
619
090425300300001000052000080100009052040003908006010700500700290608090573000206040
891425367367981425452367189173849652245673918986512734514738296628194573739256841
backtracking
[ "R1C1=6", "R8C0=7", "R7C3=1", "R8C4=5", "R2C5=7", "R2C0=4", "R5C3=5", "R0C0=8", "R2C6=1", "R8C8=1", "R6C5=8", "R2C8=9", "R1C8=5", "R1C7=2", "R4C3=6", "R6C8=6", "R3C2=3", "R3C1=7", "R3C3=8", "R7C1=2", "R6C2=4", "R7C5=4", "R1C6=4", "R5C7=3", "R5C0=9", "R6C4=3", "R0C2=1", "R3C6=6", "R0C8=7", "R8C1=3", "R4C4=7", "R1C4=8", "R5C1=8", "R0C7=6", "R2C3=3", "R5C5=2", "R6C1=1", "R2C4=6", "R1C2=7", "R8C6=8", "R4C2=5", "R8C2=9", "R3C4=4", "R1C3=9", "R4C7=1", "R4C0=2", "R5C8=4" ]
620
000030020030000705719050004000010008008406102050008690507080040004609030260007081
645731829832964715719852364926315478378496152451278693597183246184629537263547981
backtracking
[ "R6C8=6", "R1C4=6", "R1C2=2", "R3C0=9", "R0C1=4", "R0C8=9", "R6C3=1", "R5C4=7", "R5C2=1", "R5C8=3", "R7C4=2", "R1C7=1", "R6C1=9", "R0C2=5", "R2C3=8", "R6C5=3", "R8C2=3", "R2C6=3", "R0C0=6", "R7C6=5", "R3C6=4", "R4C0=3", "R1C5=4", "R7C0=1", "R3C3=3", "R3C7=7", "R2C7=6", "R5C0=4", "R0C3=7", "R8C3=5", "R4C1=7", "R6C6=2", "R4C7=5", "R5C3=2", "R4C4=9", "R0C6=8", "R7C1=8", "R0C5=1", "R8C4=4", "R2C5=2", "R8C6=9", "R7C8=7", "R3C2=6", "R3C5=5", "R3C1=2", "R1C3=9", "R1C0=8" ]
621
009305002008010340070000010602708000045000809090041060260007098003150700004902006
419375682528619347376824915632798451145263879897541263261437598983156724754982136
backtracking
[ "R5C0=8", "R8C4=8", "R4C0=1", "R2C5=4", "R1C0=5", "R0C0=4", "R5C3=5", "R2C8=5", "R2C2=6", "R5C8=3", "R6C3=4", "R6C4=3", "R4C7=7", "R0C7=8", "R8C7=3", "R4C4=6", "R6C2=1", "R7C0=9", "R3C6=4", "R8C6=1", "R0C1=1", "R5C6=2", "R7C8=4", "R0C6=6", "R8C1=5", "R3C4=9", "R1C1=2", "R1C5=9", "R8C0=7", "R7C7=2", "R2C3=8", "R1C8=7", "R6C6=5", "R3C1=3", "R2C0=3", "R7C5=6", "R7C1=8", "R4C5=3", "R0C4=7", "R4C3=2", "R3C8=1", "R2C6=9", "R3C7=5", "R2C4=2", "R5C2=7", "R1C3=6" ]
622
089060007000500960000401000200006800930004006048700531000000400170002008305100209
589263147413587962726491385257316894931854726648729531892675413174932658365148279
backtracking
[ "R1C8=2", "R3C7=9", "R3C2=7", "R5C0=6", "R8C5=8", "R7C4=3", "R2C8=5", "R4C2=1", "R6C4=7", "R0C3=2", "R4C7=2", "R4C6=7", "R7C2=4", "R8C7=7", "R1C0=4", "R3C8=4", "R1C1=1", "R2C0=7", "R4C3=8", "R0C5=3", "R2C7=8", "R5C5=9", "R7C3=9", "R6C8=3", "R2C1=2", "R6C1=9", "R6C2=2", "R5C4=2", "R6C0=8", "R1C4=8", "R2C6=3", "R1C2=3", "R3C1=5", "R8C1=6", "R0C7=4", "R6C5=5", "R2C2=6", "R3C3=3", "R1C5=7", "R8C4=4", "R0C0=5", "R3C4=1", "R7C7=5", "R6C3=6", "R7C6=6", "R4C4=5", "R0C6=1", "R2C4=9", "R6C7=1" ]
623
000700928400006050080213000018000600300020000709634100100850709004000005020091803
631745928472986351985213476218579634346128597759634182163852749894367215527491863
backtracking
[ "R5C7=8", "R7C4=6", "R7C3=3", "R2C7=7", "R2C6=4", "R3C3=5", "R6C2=3", "R8C7=6", "R3C5=9", "R3C8=4", "R7C0=8", "R2C2=5", "R4C2=6", "R1C1=7", "R6C7=4", "R2C8=6", "R3C7=3", "R4C1=4", "R1C8=1", "R6C5=2", "R0C5=5", "R8C2=7", "R7C1=9", "R3C4=7", "R1C3=9", "R4C7=9", "R0C4=4", "R5C8=2", "R5C1=5", "R0C1=3", "R6C1=6", "R3C0=2", "R4C8=7", "R8C3=4", "R1C6=3", "R4C6=5", "R7C7=1", "R4C5=8", "R4C3=1", "R0C2=1", "R1C2=2", "R8C0=5", "R0C0=6", "R7C6=2", "R1C4=8", "R2C0=9", "R7C5=7" ]
624
090003040503106070608502901085060100004000090200001800720080000006029300400000502
192873645543196278678542931985764123314258796267931854721385469856429317439617582
backtracking
[ "R7C3=4", "R7C8=7", "R3C8=3", "R3C5=4", "R8C7=8", "R3C3=7", "R0C0=1", "R0C2=2", "R6C5=5", "R8C3=6", "R8C2=9", "R6C7=6", "R6C3=3", "R6C6=4", "R0C6=6", "R1C8=8", "R4C6=7", "R1C4=9", "R1C1=4", "R8C4=1", "R2C1=7", "R6C2=1", "R5C1=6", "R5C3=9", "R4C3=2", "R0C8=5", "R4C0=3", "R2C4=4", "R3C7=2", "R8C1=3", "R3C0=9", "R4C1=1", "R1C6=2", "R5C2=7", "R4C4=5", "R7C7=1", "R5C7=5", "R4C8=6", "R4C5=8", "R5C4=3", "R0C3=8", "R2C7=3", "R8C5=7", "R6C8=9", "R7C0=8", "R0C4=7", "R5C8=4", "R7C1=5" ]
625
700200035030058004200007906603820001009004000080900300010096800540700200007410060
768249135931658724254137986673825491129374658485961372312596847546783219897412563
backtracking
[ "R5C8=2", "R7C4=8", "R2C4=3", "R1C2=1", "R2C1=5", "R8C5=2", "R0C5=9", "R0C4=4", "R5C7=7", "R5C0=4", "R3C5=5", "R4C3=3", "R8C1=9", "R4C4=7", "R7C5=3", "R3C7=9", "R7C8=9", "R1C0=9", "R2C7=8", "R5C5=1", "R5C2=5", "R6C7=4", "R7C7=1", "R6C8=7", "R8C6=5", "R1C6=7", "R3C1=7", "R0C6=1", "R7C2=6", "R3C6=4", "R2C2=4", "R2C3=1", "R6C3=5", "R0C1=6", "R4C1=2", "R6C2=2", "R8C8=3", "R6C0=3", "R1C3=6", "R5C4=6", "R4C0=1", "R8C0=8", "R4C7=5", "R4C8=8", "R1C7=2", "R4C6=6", "R0C2=8" ]
626
000180030000030805600000207059020700063000490002007003501203040480060000020900500
275186934914732865638459217159324786763815492842697153591273648487561329326948571
constraint_programming
[ "R2C5=9", "R4C4=1", "R0C8=4", "R2C7=1", "R3C3=3", "R7C6=3", "R3C8=6", "R2C4=5", "R0C0=2", "R0C2=5", "R7C7=2", "R5C7=5", "R8C5=8", "R0C1=7", "R5C4=9", "R2C2=8", "R1C7=6", "R5C3=6", "R3C0=1", "R7C2=7", "R1C0=9", "R2C1=3", "R6C6=6", "R2C3=4", "R3C5=4", "R0C6=9", "R5C0=8", "R1C5=2", "R3C7=8", "R4C8=2", "R6C1=9", "R7C3=5", "R6C4=7", "R8C8=1", "R6C8=8", "R0C5=6", "R8C0=3", "R7C5=1", "R4C5=5", "R1C2=4", "R4C0=7", "R8C7=7", "R1C3=7", "R7C8=9", "R8C4=4", "R8C2=6", "R5C6=1", "R4C3=8", "R1C1=1", "R5C1=4" ]
627
000127000806045970030000001700009050043000080090680310160050004009708030005002600
954127863816345972237896541781239456643571289592684317168953724429768135375412698
constraint_programming
[ "R3C1=8", "R8C3=4", "R6C5=3", "R7C4=6", "R8C4=1", "R4C8=9", "R7C8=5", "R3C2=1", "R0C2=4", "R5C0=5", "R2C4=9", "R2C2=7", "R1C8=2", "R4C6=2", "R6C3=9", "R0C1=5", "R2C3=8", "R5C2=2", "R1C1=1", "R0C6=8", "R8C1=7", "R2C6=5", "R2C0=2", "R5C5=4", "R3C8=6", "R0C0=9", "R4C5=1", "R3C3=2", "R6C2=8", "R8C8=8", "R2C5=6", "R4C0=6", "R7C0=4", "R4C4=7", "R8C0=3", "R3C6=4", "R5C8=7", "R0C7=6", "R4C3=5", "R3C4=3", "R2C7=4", "R0C8=3", "R6C7=2", "R7C6=1", "R6C6=7", "R8C7=9", "R1C3=3", "R7C1=2" ]
628
056392040400060009000000700807000306000008001092500000108040500040839007073056002
756392148481765239329481765817924356534678921692513874168247593245839617973156482
constraint_programming
[ "R1C6=2", "R4C0=5", "R5C6=8", "R4C6=9", "R2C8=5", "R8C6=4", "R0C8=8", "R6C3=2", "R8C0=9", "R6C5=7", "R3C5=4", "R3C7=5", "R6C8=3", "R1C7=3", "R5C5=3", "R3C3=9", "R5C7=7", "R4C7=2", "R7C2=5", "R4C2=4", "R6C7=9", "R1C2=1", "R7C7=1", "R1C1=8", "R8C7=8", "R4C4=7", "R0C6=1", "R2C4=8", "R5C8=4", "R1C3=7", "R8C3=1", "R5C0=6", "R3C1=1", "R4C3=6", "R3C4=2", "R2C5=1", "R2C0=3", "R5C4=1", "R4C1=3", "R2C1=2", "R0C0=7", "R2C3=4", "R2C2=9", "R6C1=6", "R7C6=6", "R2C7=6", "R7C0=2", "R1C5=5" ]
629
240901600008700100900000053100002300070006000490005020000010730030048012560200009
243951678658723194917864253185492367372186945496375821824519736739648512561237489
backtracking
[ "R1C4=2", "R2C3=8", "R3C8=7", "R4C8=5", "R8C2=1", "R3C2=5", "R6C5=9", "R4C2=2", "R2C4=6", "R8C4=3", "R2C6=2", "R4C0=3", "R7C2=9", "R4C6=9", "R4C3=1", "R1C7=9", "R7C6=5", "R2C5=4", "R1C5=3", "R6C3=5", "R5C8=1", "R7C3=6", "R5C4=7", "R6C0=8", "R3C1=8", "R0C2=3", "R8C5=7", "R1C1=5", "R0C7=7", "R2C2=7", "R6C2=4", "R5C2=6", "R6C8=6", "R2C1=1", "R3C7=6", "R3C3=4", "R5C3=3", "R0C4=5", "R7C0=7", "R0C8=8", "R8C7=8", "R6C1=2", "R8C6=4", "R4C7=4", "R1C8=4", "R1C0=6", "R3C4=9", "R4C4=8", "R5C6=8" ]
630
030096150460718002200000000026870030009405008100060700000000500004032907083004060
837296154465718392291543876526871439379425618148369725912687543654132987783954261
backtracking
[ "R5C1=4", "R8C6=2", "R6C0=9", "R1C6=3", "R0C3=2", "R5C3=3", "R1C7=9", "R5C2=8", "R1C2=5", "R3C8=9", "R3C5=1", "R2C4=4", "R6C7=4", "R6C3=6", "R8C4=5", "R5C5=9", "R6C1=1", "R3C6=4", "R7C0=6", "R6C5=7", "R7C3=1", "R5C7=2", "R2C5=3", "R4C0=3", "R0C2=7", "R7C7=8", "R8C0=7", "R4C1=7", "R4C7=1", "R2C2=1", "R3C0=5", "R4C6=6", "R8C8=1", "R2C1=9", "R6C4=8", "R2C8=6", "R2C3=5", "R2C7=7", "R0C0=8", "R4C4=2", "R5C8=5", "R8C3=9", "R7C1=5", "R2C6=8", "R6C2=2", "R6C8=3", "R0C8=4" ]
631
002100800540030609701895300800750001006000405910006030000040070020083500003600002
392164857548237619761895324834759261276318495915426738689542173127983546453671982
backtracking
[ "R1C3=2", "R6C0=6", "R1C5=7", "R6C3=5", "R2C8=4", "R0C5=4", "R0C1=9", "R5C8=8", "R0C4=6", "R8C1=5", "R3C1=3", "R6C8=3", "R2C7=2", "R4C7=9", "R7C8=6", "R6C6=1", "R2C1=6", "R4C1=7", "R0C7=5", "R0C8=7", "R4C3=3", "R3C7=6", "R7C2=7", "R8C0=4", "R1C2=8", "R0C0=3", "R6C1=8", "R8C6=9", "R6C5=2", "R5C2=5", "R3C2=4", "R8C7=8", "R5C6=7", "R3C5=9", "R7C0=1", "R5C4=2", "R8C4=7", "R3C6=2", "R7C3=9", "R5C3=4", "R7C7=4", "R4C0=2", "R6C2=9", "R4C5=8", "R4C4=1", "R1C7=1", "R8C5=1" ]
632
403002760016900000700000805500609031020030900080041006070100050000708490038050020
453812769816975342792364815547689231621537984389241576274193658165728493938456127
constraint_programming
[ "R0C1=5", "R3C6=2", "R4C8=4", "R1C7=4", "R7C0=1", "R4C3=5", "R6C6=6", "R8C5=6", "R8C8=7", "R2C7=1", "R3C4=8", "R1C8=2", "R5C7=7", "R6C5=3", "R0C4=1", "R7C8=3", "R8C6=1", "R8C0=9", "R1C0=8", "R4C2=1", "R2C5=4", "R7C4=2", "R3C2=7", "R5C3=2", "R6C4=9", "R3C1=4", "R2C1=9", "R1C4=7", "R5C6=5", "R5C0=3", "R4C7=8", "R0C8=9", "R6C0=2", "R4C0=6", "R7C2=5", "R2C3=3", "R7C1=6", "R6C8=8", "R6C2=4", "R2C4=6", "R5C2=9", "R8C3=4", "R1C5=5", "R4C5=7", "R2C2=2", "R0C3=8", "R1C6=3" ]
633
007603905004000000002090180000000706490730200030510004015000020600049018200008673
187623945954871362362495187521984736498736251736512894815367429673249518249158673
constraint_programming
[ "R7C1=7", "R3C2=1", "R2C3=4", "R1C8=2", "R0C0=1", "R4C7=5", "R3C0=5", "R0C7=4", "R7C6=5", "R4C5=6", "R5C7=9", "R5C0=7", "R5C5=2", "R8C2=9", "R6C4=6", "R8C4=5", "R1C1=5", "R3C4=8", "R4C8=1", "R8C1=4", "R2C8=7", "R4C2=8", "R0C1=8", "R2C1=6", "R7C3=2", "R3C3=9", "R1C0=9", "R1C7=6", "R7C2=3", "R6C5=7", "R2C5=5", "R3C1=2", "R6C0=8", "R0C4=2", "R3C5=4", "R1C6=3", "R6C6=4", "R2C0=3", "R1C5=1", "R1C3=8", "R6C3=3", "R5C2=6", "R1C4=7", "R3C7=3", "R5C6=8", "R8C3=1", "R6C8=9" ]
634
007006002400900016508300000014708000000025067050090030380000570906001280000400091
197846352423957816568312749614738925839125467752694138381269574946571283275483691
constraint_programming
[ "R5C2=2", "R0C4=4", "R4C2=9", "R3C0=6", "R5C8=8", "R3C6=9", "R6C2=1", "R2C7=4", "R4C6=4", "R4C1=3", "R2C4=1", "R8C4=8", "R1C4=5", "R1C5=7", "R0C0=1", "R0C7=5", "R3C8=5", "R1C6=8", "R4C0=8", "R8C1=7", "R6C5=9", "R5C0=7", "R3C7=2", "R0C1=9", "R8C5=3", "R7C3=5", "R0C3=8", "R5C3=6", "R1C2=3", "R6C3=2", "R7C1=4", "R8C6=6", "R8C2=5", "R6C8=4", "R3C4=3", "R2C1=6", "R4C3=1", "R5C6=1", "R7C4=7", "R6C4=6", "R2C6=7", "R7C8=3", "R5C5=4", "R0C6=3", "R2C5=2", "R8C0=2", "R1C1=2", "R2C8=9" ]
635
020590086000710095800000703400370000018006000009002501102000609007060830560080040
721593486634718295895624713456371928218956374379842561182437659947165832563289147
constraint_programming
[ "R5C0=3", "R2C4=2", "R3C5=1", "R8C5=9", "R1C2=4", "R2C7=1", "R8C6=1", "R8C2=3", "R0C5=3", "R0C2=1", "R3C8=8", "R2C2=5", "R5C4=4", "R7C5=5", "R3C1=5", "R1C5=8", "R4C0=2", "R1C1=3", "R7C8=2", "R0C6=4", "R8C3=2", "R6C3=4", "R6C4=3", "R1C0=6", "R2C1=9", "R7C1=4", "R3C6=9", "R2C5=4", "R1C6=2", "R4C8=4", "R3C7=2", "R5C1=7", "R3C2=6", "R5C7=6", "R6C7=5", "R4C3=9", "R7C3=1", "R2C3=6", "R5C3=8", "R7C0=9", "R4C6=3", "R6C1=8", "R6C5=7", "R4C4=5", "R8C8=7", "R4C7=7", "R0C0=7" ]
636
140000507000200000093056001000004009000100380570028100036009008007800604401075002
142983567765241893893756421318564279624197385579328146236419758957832614481675932
backtracking
[ "R5C7=4", "R1C0=7", "R5C3=3", "R4C0=6", "R4C5=7", "R0C4=8", "R0C5=3", "R6C7=5", "R3C3=5", "R1C6=8", "R8C7=3", "R4C8=5", "R2C6=4", "R1C2=5", "R6C4=1", "R6C3=4", "R7C0=9", "R3C7=7", "R6C6=7", "R7C4=3", "R1C1=6", "R4C1=2", "R3C2=8", "R3C4=6", "R8C6=9", "R3C1=1", "R6C0=2", "R3C6=2", "R3C0=3", "R1C5=1", "R2C3=7", "R1C8=3", "R8C3=6", "R5C8=6", "R8C1=8", "R0C3=9", "R4C4=9", "R7C5=2", "R7C1=5", "R1C7=9", "R2C0=8", "R2C7=2", "R5C2=9", "R7C7=1", "R4C2=4", "R1C4=4", "R0C2=2", "R0C7=6" ]
637
400000700030025901001960003020001004608407050900036008107080030090100800004000205
459318726836725941271964583723851694618497352945236178167582439592143867384679215
backtracking
[ "R0C7=2", "R8C1=8", "R8C3=6", "R6C5=2", "R3C7=9", "R0C3=3", "R5C6=1", "R3C3=8", "R6C6=4", "R0C4=1", "R3C0=7", "R2C1=7", "R7C5=3", "R6C8=9", "R1C7=4", "R0C2=9", "R2C5=4", "R1C3=7", "R2C6=5", "R7C8=7", "R7C4=4", "R0C1=5", "R8C5=9", "R1C0=8", "R6C1=6", "R8C4=7", "R1C2=6", "R4C8=2", "R5C7=7", "R2C7=8", "R0C8=6", "R5C2=5", "R5C1=4", "R4C1=1", "R5C3=2", "R0C5=8", "R4C4=9", "R3C6=6", "R7C0=5", "R3C4=5", "R8C0=3", "R7C7=6", "R7C2=2", "R3C2=3", "R6C3=5", "R2C0=2", "R8C7=1", "R4C6=3" ]
638
006000509300002070401073680068004001005200400930060007010000090092510306000308200
726841539389652174451973682268734951175289463934165827513426798892517346647398215
backtracking
[ "R8C0=6", "R2C3=9", "R1C8=4", "R4C5=9", "R8C8=5", "R5C3=1", "R6C8=8", "R1C1=8", "R8C4=9", "R1C2=9", "R0C0=7", "R2C8=2", "R4C7=6", "R1C6=1", "R8C1=4", "R8C2=7", "R6C0=5", "R4C0=1", "R0C3=8", "R0C7=3", "R1C4=5", "R5C5=5", "R5C7=2", "R7C7=4", "R5C2=4", "R6C4=2", "R3C3=7", "R2C1=5", "R8C7=1", "R4C4=8", "R0C1=2", "R3C4=3", "R6C3=4", "R6C5=6", "R0C5=1", "R3C6=9", "R4C1=7", "R0C4=4", "R4C8=3", "R6C6=7", "R3C0=2", "R3C7=5", "R7C5=7", "R7C0=8", "R5C6=8", "R1C3=6", "R6C2=3" ]
639
002005800001000390903820006000004205509002460604100078180040003000200700095067000
462935817851476392973821546718694235539782461624153978187549623346218759295367184
constraint_programming
[ "R3C3=6", "R2C1=7", "R0C4=3", "R2C5=1", "R5C4=5", "R6C3=5", "R6C6=6", "R8C6=1", "R2C6=5", "R1C4=7", "R4C1=3", "R1C0=8", "R1C3=4", "R7C1=4", "R8C0=2", "R0C1=6", "R4C4=8", "R0C7=1", "R7C8=9", "R6C2=7", "R3C7=3", "R7C2=6", "R3C4=9", "R0C8=7", "R0C0=4", "R1C8=2", "R4C3=7", "R5C5=3", "R3C2=8", "R7C5=8", "R8C3=3", "R0C3=9", "R3C0=7", "R7C0=3", "R8C8=4", "R1C1=5", "R6C5=9", "R5C1=2", "R6C7=2", "R4C8=1", "R2C7=4", "R1C5=6", "R3C1=1", "R7C7=5", "R8C7=8", "R7C4=1", "R5C6=9" ]
640
905000000080045030740000018800901204300507090000020060407009050090700602031006007
915378426682145739743692518856931274324567891179824365467289153598713642231456987
backtracking
[ "R0C6=4", "R3C2=6", "R1C0=6", "R6C1=6", "R5C5=4", "R5C3=8", "R2C6=5", "R0C1=1", "R0C7=2", "R6C3=2", "R1C6=7", "R2C5=2", "R5C1=7", "R0C5=8", "R7C5=3", "R5C0=1", "R0C3=3", "R3C1=5", "R5C2=9", "R3C7=7", "R2C3=6", "R5C6=3", "R7C2=8", "R8C4=5", "R1C2=2", "R1C8=9", "R2C2=3", "R7C7=4", "R6C8=3", "R7C4=1", "R4C1=2", "R8C0=2", "R8C3=4", "R5C8=5", "R7C0=5", "R8C7=8", "R4C4=6", "R8C6=9", "R4C2=4", "R6C4=8", "R3C4=3", "R1C3=1", "R6C6=1", "R0C8=6", "R2C4=9", "R4C8=1", "R0C4=7", "R4C6=8" ]
641
400008600900003081060070039281004000096100000000200050720869500035000004810430270
473918625952643781168572439281354967596187342347296158724869513635721894819435276
backtracking
[ "R5C0=3", "R5C5=6", "R4C0=5", "R7C0=6", "R1C3=6", "R1C4=4", "R8C8=6", "R0C4=1", "R3C6=9", "R3C3=3", "R5C8=8", "R2C5=2", "R7C7=9", "R6C2=4", "R6C7=1", "R5C4=9", "R0C1=7", "R4C7=4", "R4C8=2", "R0C8=5", "R7C4=2", "R3C7=6", "R6C8=3", "R4C5=7", "R7C5=1", "R8C2=9", "R0C7=2", "R3C8=7", "R2C6=4", "R3C4=5", "R2C0=1", "R7C3=7", "R1C6=7", "R5C1=4", "R2C2=8", "R1C1=5", "R0C2=3", "R7C6=8", "R2C3=5", "R4C4=8", "R8C5=5", "R5C2=7", "R4C6=3", "R0C3=9", "R1C2=2", "R5C6=1" ]
642
801079023000000450020680001703400000650820100000095000030001064509200007018003500
841579623976132458325684971793416285654827139182395746237951864569248317418763592
constraint_programming
[ "R7C5=8", "R0C3=5", "R8C4=6", "R3C7=8", "R2C7=7", "R5C8=6", "R6C4=5", "R1C5=2", "R1C1=7", "R0C1=4", "R6C3=9", "R0C6=6", "R5C3=3", "R1C8=8", "R5C7=4", "R5C6=7", "R2C5=4", "R6C2=7", "R5C1=8", "R7C1=6", "R3C4=1", "R3C1=9", "R7C6=3", "R3C8=5", "R5C2=2", "R6C0=2", "R4C5=7", "R2C0=3", "R4C8=9", "R6C6=8", "R4C2=4", "R7C4=4", "R2C2=5", "R2C6=9", "R8C8=2", "R1C4=3", "R1C2=6", "R1C0=9", "R8C7=9", "R7C7=1", "R8C0=4", "R3C6=2", "R8C3=7", "R4C7=3", "R1C3=1", "R3C5=6", "R5C0=1" ]
643
630901702002065014100000000020080300500006401904000070390002650007508209008030000
635941782872365914149827563726184395583796421914253876391472658467518239258639147
constraint_programming
[ "R3C8=5", "R2C5=7", "R8C0=2", "R5C1=1", "R6C3=4", "R2C3=8", "R7C4=1", "R1C1=7", "R3C2=6", "R6C4=7", "R3C3=1", "R3C5=4", "R8C6=1", "R4C1=8", "R5C5=3", "R7C7=3", "R0C4=4", "R2C6=5", "R7C0=4", "R5C3=2", "R8C7=4", "R8C5=9", "R7C1=6", "R2C1=4", "R2C7=6", "R8C8=7", "R0C7=8", "R2C4=2", "R1C0=8", "R8C1=5", "R8C3=6", "R4C3=7", "R2C8=3", "R5C4=5", "R0C2=5", "R1C6=9", "R4C4=9", "R2C2=9", "R3C0=7", "R6C2=1", "R4C2=3", "R3C7=9", "R1C3=3", "R4C7=2", "R6C8=8", "R5C8=6", "R5C6=8" ]
644
860000020400709580107004030006070010530608079070320005300500000000836400092010800
869153724423769581157284936246975318531648279978321645384592167715836492692417853
backtracking
[ "R4C4=4", "R7C8=2", "R6C4=9", "R2C8=6", "R5C2=8", "R3C6=3", "R7C7=9", "R0C6=7", "R7C1=1", "R0C4=5", "R5C7=4", "R7C2=5", "R3C3=9", "R8C0=6", "R6C6=1", "R5C6=6", "R4C6=2", "R1C1=2", "R8C3=4", "R0C2=9", "R1C4=6", "R2C6=9", "R6C7=6", "R1C8=1", "R6C1=8", "R3C1=4", "R7C0=7", "R4C2=1", "R8C7=5", "R0C5=3", "R5C5=1", "R6C8=7", "R1C2=3", "R6C5=2", "R0C8=4", "R3C0=2", "R0C3=1", "R2C3=2", "R5C0=9", "R6C2=4", "R2C4=8", "R8C5=7", "R3C8=8", "R2C1=5", "R8C8=3", "R3C5=5" ]
645
009005200106300004048060073905000081210009000087000500674008090000270035000041060
739485216126397854548162973965724381213859647487613529674538192891276435352941768
backtracking
[ "R5C7=2", "R6C3=5", "R3C6=3", "R6C8=2", "R3C4=2", "R0C3=4", "R1C1=2", "R8C6=7", "R0C7=1", "R0C0=7", "R2C5=2", "R7C5=6", "R5C4=1", "R8C2=2", "R2C3=1", "R1C7=5", "R5C8=9", "R0C8=6", "R6C6=1", "R7C6=4", "R2C0=5", "R2C6=9", "R7C2=1", "R4C2=3", "R3C3=7", "R8C0=3", "R1C6=8", "R5C0=4", "R5C5=3", "R3C5=4", "R8C8=8", "R8C3=9", "R1C4=9", "R3C1=6", "R6C4=3", "R7C1=9", "R8C1=5", "R4C3=8", "R5C3=6", "R1C5=7", "R7C0=8", "R0C4=8", "R4C6=6", "R0C1=3", "R4C4=5", "R4C8=7", "R4C7=4" ]
646
000002370003069100807400600060047002085016004900320500052000803130800007000050410
649182375523769148817435629361547982285916734974328561452671893136894257798253416
backtracking
[ "R0C2=9", "R0C8=5", "R3C0=3", "R5C8=1", "R7C7=5", "R0C1=4", "R5C5=8", "R7C5=4", "R1C1=2", "R4C7=3", "R8C1=9", "R8C0=7", "R4C3=9", "R8C8=6", "R3C7=8", "R7C2=6", "R7C4=9", "R0C0=6", "R0C3=1", "R2C7=2", "R1C3=7", "R2C5=5", "R5C7=6", "R3C2=1", "R5C1=7", "R6C5=1", "R8C2=8", "R6C4=7", "R6C3=6", "R8C5=3", "R4C0=2", "R1C0=5", "R2C1=1", "R8C3=2", "R2C4=3", "R3C3=5", "R7C6=2", "R1C7=4", "R3C6=9", "R1C8=8", "R2C8=9", "R4C6=7", "R6C7=9", "R0C4=8", "R5C2=4", "R6C0=4" ]
647
287000000000847600600509300768400009001703548030001002003698200042010070500000000
287136495359847621614529387768452139921763548435981762173698254842315976596274813
constraint_programming
[ "R8C4=7", "R3C6=1", "R8C2=6", "R5C2=5", "R0C7=9", "R7C3=3", "R8C8=3", "R1C7=2", "R2C8=7", "R0C4=3", "R8C6=8", "R3C4=5", "R4C1=2", "R7C6=9", "R2C2=4", "R2C4=2", "R0C5=6", "R3C7=3", "R5C6=7", "R1C8=1", "R1C2=9", "R5C7=6", "R3C5=2", "R0C3=1", "R6C0=1", "R5C3=9", "R8C7=1", "R2C1=1", "R8C1=9", "R8C5=4", "R5C0=4", "R2C7=8", "R7C0=8", "R6C8=4", "R0C8=5", "R7C8=6", "R4C4=6", "R1C0=3", "R5C4=8", "R7C5=5", "R1C1=5", "R0C6=4", "R6C7=5", "R8C3=2", "R4C0=9", "R6C1=7" ]
648
000507120060208097001430000008004009400090278000306000053000082094000306100070950
849567123365218497271439865518724639436195278927386541653941782794852316182673954
constraint_programming
[ "R0C1=4", "R5C7=4", "R2C1=7", "R2C7=6", "R2C8=5", "R0C0=8", "R2C0=2", "R1C2=5", "R1C0=3", "R3C3=7", "R8C5=3", "R6C0=6", "R0C2=9", "R5C8=1", "R3C0=5", "R7C5=2", "R4C1=3", "R2C5=9", "R3C7=3", "R7C3=8", "R4C3=1", "R5C0=9", "R7C4=5", "R3C1=1", "R8C3=6", "R1C4=1", "R4C2=6", "R7C7=1", "R5C2=7", "R6C5=1", "R4C5=5", "R6C3=9", "R8C8=4", "R7C0=7", "R8C1=8", "R3C4=2", "R6C6=7", "R3C6=6", "R8C2=2", "R6C4=4", "R5C4=8", "R0C8=3", "R5C1=2", "R1C6=4", "R2C6=8", "R5C6=5", "R0C4=6" ]
649
609800007080754020040003015008000060500371008901500400710008900000640032032000700
659812347183754629247963815378429561564371298921586473716238954895647132432195786
constraint_programming
[ "R4C7=9", "R6C3=2", "R8C0=4", "R0C5=2", "R6C2=6", "R6C8=4", "R1C0=1", "R2C0=2", "R2C4=6", "R4C6=2", "R6C4=3", "R5C4=8", "R7C1=9", "R7C6=1", "R1C8=9", "R7C0=8", "R0C1=5", "R2C6=8", "R8C7=8", "R3C6=5", "R3C0=3", "R3C5=9", "R7C5=7", "R0C6=3", "R7C2=5", "R3C8=1", "R8C4=9", "R3C3=4", "R1C6=6", "R8C3=1", "R0C4=1", "R5C7=7", "R4C1=6", "R2C2=7", "R8C5=5", "R3C1=7", "R1C2=3", "R5C5=6", "R2C3=9", "R5C8=3", "R8C8=6", "R6C7=5", "R5C1=2", "R4C2=4", "R0C7=4", "R3C4=2" ]
650
100005800009106340000039002003800950005007008600000470041000600328400005070392000
137245869259186347864739512713824956495617238682953471941578623328461795576392184
constraint_programming
[ "R4C0=4", "R7C4=6", "R8C6=1", "R2C0=8", "R0C2=7", "R4C6=2", "R7C6=7", "R3C4=2", "R8C8=4", "R4C7=3", "R6C0=9", "R4C1=9", "R6C5=8", "R5C3=9", "R0C1=3", "R2C6=5", "R2C7=1", "R5C8=1", "R6C4=7", "R3C1=1", "R8C7=8", "R3C0=7", "R2C3=7", "R4C4=1", "R1C0=2", "R0C7=6", "R5C5=3", "R8C2=6", "R7C7=9", "R2C1=6", "R5C1=8", "R1C8=7", "R0C4=4", "R5C2=2", "R1C4=8", "R4C3=6", "R2C2=4", "R0C3=2", "R1C1=5", "R7C5=1", "R8C0=5", "R5C4=5", "R6C7=2", "R6C3=5", "R3C5=4", "R0C8=9", "R6C8=3", "R3C8=6" ]
651
080700549000032087015040000930600810004020600050490003390005000008001072106070300
283716549469532187715849236932657814874123695651498723397285461548361972126974358
backtracking
[ "R6C4=8", "R4C8=5", "R1C0=4", "R5C0=6", "R7C3=3", "R8C5=4", "R0C2=3", "R8C3=9", "R6C3=2", "R5C5=8", "R3C2=2", "R2C5=9", "R5C7=2", "R7C0=5", "R1C6=1", "R2C6=2", "R6C2=7", "R1C1=6", "R2C3=8", "R1C2=9", "R7C1=4", "R3C4=5", "R1C3=5", "R7C6=9", "R4C7=9", "R2C0=7", "R4C0=8", "R8C1=2", "R3C5=7", "R0C4=1", "R6C7=6", "R4C1=7", "R5C6=7", "R7C4=6", "R8C7=5", "R5C2=1", "R4C5=3", "R6C8=1", "R3C8=4", "R0C0=2", "R2C8=6", "R8C8=8", "R6C6=4", "R2C7=3", "R4C3=1", "R0C5=6" ]
652
010800000200041000405060700070004501306700084100590000008020036604009270000350400
913875642267941853485263719879634521356712984142598367598427136634189275721356498
constraint_programming
[ "R4C5=2", "R0C8=2", "R4C1=5", "R5C6=3", "R0C6=6", "R5C7=6", "R6C1=9", "R2C8=9", "R7C4=8", "R3C4=3", "R1C7=5", "R3C7=2", "R8C5=6", "R1C6=8", "R5C1=4", "R4C6=9", "R0C4=7", "R0C0=9", "R3C3=6", "R4C4=1", "R1C3=9", "R5C8=7", "R6C0=5", "R5C2=2", "R7C8=5", "R1C2=7", "R2C7=1", "R3C0=8", "R6C3=4", "R2C1=8", "R0C7=4", "R3C2=9", "R1C8=3", "R8C2=1", "R2C3=2", "R7C1=3", "R0C2=3", "R8C8=8", "R2C5=3", "R1C1=6", "R8C7=9", "R6C6=1", "R0C5=5", "R5C5=8", "R8C0=7", "R6C5=7", "R7C3=1", "R8C1=2" ]
653
001890006060740300200500078012000700600400103030080025400000039008960000005070402
751893246869742351243516978512639784687425193934187625476251839328964517195378462
backtracking
[ "R2C4=1", "R5C0=9", "R3C8=4", "R6C2=6", "R0C5=3", "R8C0=1", "R7C6=5", "R8C5=8", "R3C3=6", "R5C5=7", "R8C3=3", "R2C1=4", "R5C6=6", "R0C1=5", "R2C5=6", "R1C0=8", "R1C5=2", "R5C2=4", "R3C5=9", "R6C3=2", "R3C7=8", "R8C7=6", "R0C0=7", "R7C1=2", "R3C4=3", "R4C1=8", "R0C7=4", "R7C0=3", "R1C8=1", "R8C1=9", "R7C8=7", "R6C1=7", "R4C2=7", "R6C5=1", "R4C5=5", "R7C5=4", "R6C6=8", "R2C2=3", "R7C7=1", "R0C6=2", "R1C2=9", "R1C7=5", "R2C6=9", "R4C4=2", "R5C3=1", "R3C0=5", "R4C7=9", "R6C4=5" ]
654
000024705010073800209000006003580090740009100050700680100230000500006000062058904
836924715415673829279815346623581497748369152951742683194237568587496231362158974
constraint_programming
[ "R5C0=9", "R8C0=3", "R5C2=1", "R4C3=3", "R6C6=5", "R4C4=6", "R1C8=9", "R3C5=1", "R7C1=8", "R1C0=4", "R0C7=1", "R0C0=8", "R1C3=6", "R1C7=2", "R2C1=7", "R0C3=9", "R7C8=1", "R7C2=7", "R1C2=5", "R6C1=9", "R0C1=3", "R6C2=4", "R2C3=8", "R8C3=1", "R6C7=6", "R6C5=7", "R3C1=2", "R5C8=3", "R2C6=3", "R6C8=8", "R3C8=7", "R5C5=2", "R4C7=5", "R7C4=9", "R4C2=8", "R2C7=4", "R4C8=2", "R3C0=6", "R7C3=4", "R2C5=5", "R2C4=1", "R8C7=7", "R0C2=6", "R7C7=3", "R5C4=4", "R7C6=2", "R3C6=4" ]
655
570006020026040001000380700100005204300700685002800000030000040040219807000050109
573196428826547391419382756168935274394721685752864913931678542645219837287453169
backtracking
[ "R5C5=4", "R3C3=9", "R6C0=9", "R1C3=5", "R4C1=9", "R8C7=6", "R4C2=4", "R5C0=7", "R7C2=5", "R6C8=2", "R6C3=6", "R2C7=5", "R3C1=6", "R0C6=4", "R1C6=3", "R5C1=5", "R6C4=7", "R1C5=7", "R2C1=1", "R5C4=6", "R8C1=8", "R7C7=3", "R8C5=3", "R2C2=9", "R3C7=7", "R5C7=1", "R0C8=8", "R6C6=5", "R4C5=1", "R0C3=1", "R5C6=9", "R8C3=4", "R4C4=2", "R6C5=8", "R2C8=6", "R1C7=9", "R5C8=3", "R0C4=9", "R2C5=2", "R3C4=3", "R8C2=7", "R7C0=6", "R1C0=8", "R8C0=2", "R3C2=8", "R6C2=1", "R2C0=4", "R0C2=3" ]
656
009400080602007530700008100940020006300010205000506000017009000020051600806300400
139465782682197534754238169945723816368914275271586943517649328423851697896372451
constraint_programming
[ "R5C4=8", "R5C1=7", "R3C7=1", "R8C7=5", "R1C4=9", "R4C2=8", "R3C6=8", "R1C3=1", "R6C3=6", "R4C5=4", "R8C8=1", "R0C8=2", "R8C1=9", "R0C0=1", "R5C8=3", "R2C1=5", "R6C8=8", "R2C8=9", "R1C8=4", "R2C7=6", "R6C7=2", "R4C3=9", "R5C6=9", "R5C0=2", "R0C1=3", "R5C7=4", "R6C6=3", "R0C5=5", "R4C1=6", "R4C7=7", "R6C0=5", "R1C1=8", "R6C4=4", "R8C4=7", "R7C3=8", "R0C4=6", "R7C8=7", "R7C0=4", "R5C2=1", "R3C2=5", "R2C2=4", "R2C3=2", "R0C6=7", "R3C5=3", "R3C3=7", "R7C7=9", "R2C4=3", "R7C2=3", "R8C5=2" ]
657
080700530900042000050000194708013056000900410402000000006050703003208040000070685
684791532931542867257836194798413256365927418412685379846159723573268941129374685
backtracking
[ "R4C4=2", "R4C5=7", "R8C2=9", "R5C4=8", "R1C1=3", "R6C0=8", "R1C6=8", "R2C0=2", "R0C2=4", "R1C7=6", "R5C3=6", "R4C0=3", "R0C8=2", "R5C1=1", "R1C3=5", "R8C0=1", "R7C4=6", "R7C6=9", "R3C3=4", "R0C4=9", "R2C5=6", "R5C8=9", "R5C5=5", "R2C2=7", "R6C7=2", "R6C3=1", "R8C1=2", "R6C5=9", "R0C0=6", "R3C6=2", "R7C1=7", "R0C5=1", "R4C2=5", "R7C8=1", "R4C8=8", "R8C5=4", "R8C3=3", "R5C7=7", "R1C2=1", "R2C3=8", "R6C1=4", "R4C1=6", "R1C8=7", "R3C1=9", "R7C0=5", "R5C6=3", "R2C4=3" ]
658
001706009400305020250000700900002030000930684070580010700600240080400100690010305
831726459467395821259841763948162537125937684376584912713659248582473196694218375
backtracking
[ "R8C3=2", "R3C4=6", "R0C7=5", "R6C4=5", "R2C4=4", "R2C8=3", "R1C1=6", "R8C5=8", "R5C8=2", "R7C2=2", "R7C0=5", "R8C7=7", "R6C1=1", "R3C6=5", "R7C8=6", "R3C1=4", "R4C2=5", "R7C5=3", "R0C6=4", "R2C3=8", "R2C2=9", "R4C5=7", "R1C2=7", "R3C8=7", "R6C2=3", "R2C7=6", "R7C7=9", "R2C5=1", "R1C8=1", "R3C3=1", "R6C5=9", "R4C1=2", "R7C4=7", "R4C0=1", "R1C6=8", "R1C4=9", "R3C2=8", "R5C5=4", "R0C1=3", "R5C2=6", "R0C4=2", "R5C6=9", "R5C0=3", "R6C8=8", "R0C0=8", "R8C2=4" ]
659
050619000014003070300000085001520803960300400020400067007080026000907000609005001
758619234214853679396742185471526893965378412823491567537184926142967358689235741
constraint_programming
[ "R6C5=4", "R4C4=7", "R8C4=3", "R2C4=4", "R4C8=2", "R8C1=8", "R3C1=7", "R2C2=6", "R3C0=4", "R2C6=1", "R4C2=5", "R0C0=7", "R0C6=2", "R1C6=6", "R1C4=5", "R5C2=3", "R0C8=4", "R5C5=1", "R2C5=2", "R7C8=8", "R2C3=7", "R7C7=5", "R3C5=6", "R8C6=7", "R1C0=2", "R7C1=4", "R0C7=3", "R6C0=5", "R3C7=9", "R8C7=4", "R1C8=9", "R4C7=1", "R6C6=9", "R7C0=1", "R8C3=2", "R5C6=5", "R1C3=8", "R0C2=8", "R7C6=3", "R5C0=8", "R6C1=3", "R5C4=9", "R4C5=8", "R7C4=6", "R2C1=9", "R6C3=1", "R7C2=2" ]
660
010007408800003600203060071600012804001030060700004200000900020590081000142000500
916527438874193652253468971635712894421839765789654213368945127597281346142376589
backtracking
[ "R0C0=9", "R0C4=2", "R0C3=5", "R8C8=9", "R2C1=5", "R8C5=6", "R1C3=1", "R5C8=3", "R3C3=7", "R6C0=3", "R4C1=2", "R6C8=7", "R0C2=6", "R5C2=9", "R6C1=6", "R6C2=8", "R2C3=4", "R7C7=4", "R4C5=9", "R5C4=5", "R4C8=5", "R1C2=4", "R7C6=3", "R5C3=6", "R8C3=3", "R3C2=5", "R2C5=8", "R5C7=1", "R8C4=7", "R4C3=8", "R1C1=7", "R4C6=7", "R2C6=9", "R7C3=2", "R3C7=9", "R1C7=5", "R7C2=7", "R7C8=6", "R4C0=4", "R1C4=9", "R5C1=8", "R1C8=2", "R0C7=3", "R6C4=4", "R8C7=8", "R6C5=5", "R6C6=1", "R3C1=3" ]
661
005002160100097800000650034350240600006030907400070020009800403820000090040063008
735482169164397852982651734357249681216538947498176325679825413823714596541963278
constraint_programming
[ "R0C0=7", "R1C2=4", "R2C1=8", "R4C3=5", "R7C6=5", "R0C8=9", "R5C2=8", "R8C0=5", "R5C3=1", "R6C4=2", "R4C1=1", "R8C7=7", "R5C5=6", "R3C8=1", "R3C7=8", "R8C2=1", "R0C3=4", "R7C8=6", "R1C8=2", "R3C5=9", "R4C5=8", "R8C3=9", "R0C1=3", "R1C7=5", "R5C6=3", "R4C7=4", "R0C4=8", "R7C5=4", "R7C2=3", "R6C1=7", "R8C6=2", "R2C6=7", "R1C3=3", "R6C7=1", "R5C1=9", "R2C5=1", "R2C0=9", "R3C2=7", "R4C0=2", "R1C1=6", "R7C4=1", "R6C5=5", "R7C3=7", "R6C0=6", "R2C2=2", "R5C8=5" ]
662
050200000020094308901075000063008107070060020208000004006001200540003709309050406
854236971627194358931875642463528197175469823298317564786941235542683719319752486
backtracking
[ "R2C7=4", "R6C7=3", "R0C7=7", "R0C5=6", "R7C2=2", "R4C0=1", "R7C7=1", "R0C4=3", "R2C1=3", "R3C4=2", "R7C4=8", "R8C5=2", "R6C0=7", "R0C6=9", "R4C6=8", "R3C0=4", "R3C7=9", "R0C8=1", "R1C2=7", "R5C4=1", "R2C3=8", "R8C3=7", "R1C7=5", "R5C5=7", "R0C0=8", "R7C3=6", "R2C6=6", "R6C4=4", "R4C2=5", "R4C5=9", "R6C1=8", "R0C2=4", "R5C6=5", "R5C3=3", "R3C3=5", "R2C8=2", "R1C3=1", "R6C8=5", "R5C7=6", "R8C1=1", "R8C7=8", "R1C0=6", "R5C1=9", "R6C3=9", "R4C8=3", "R4C3=4" ]
663
006007420005900008007061003000200079708530002010046300080004000094680210001390050
936857421145923768827461593453218679768539142219746385582174936394685217671392854
constraint_programming
[ "R3C1=5", "R2C7=9", "R0C8=1", "R3C0=4", "R1C5=3", "R8C8=4", "R8C6=8", "R4C1=6", "R3C4=1", "R7C5=5", "R8C0=6", "R6C2=2", "R6C4=7", "R3C5=8", "R1C0=1", "R5C2=9", "R6C8=6", "R1C4=2", "R5C3=7", "R2C1=2", "R0C4=5", "R2C0=8", "R7C0=3", "R3C2=3", "R0C1=3", "R1C1=4", "R5C0=2", "R5C8=5", "R0C0=9", "R1C7=6", "R6C3=1", "R4C6=1", "R5C7=8", "R7C8=7", "R2C6=5", "R8C1=7", "R4C7=4", "R6C7=3", "R0C3=8", "R6C0=5", "R1C6=7", "R2C3=4", "R3C6=6", "R6C6=9", "R8C5=2", "R4C5=9" ]
664
710005430503000006002086001970000804050070100008012500340000000100604907060900002
716295438583147296492386751971563824254879163638412579349728615125634987867951342
constraint_programming
[ "R1C7=9", "R0C3=2", "R1C5=7", "R2C6=7", "R2C1=9", "R5C1=3", "R8C5=1", "R4C7=6", "R0C4=9", "R1C1=8", "R4C2=4", "R6C4=2", "R3C7=2", "R1C6=2", "R2C3=3", "R4C8=3", "R1C3=1", "R8C0=8", "R6C2=9", "R3C2=1", "R2C7=5", "R6C3=7", "R7C7=8", "R3C4=6", "R8C7=4", "R2C0=4", "R7C1=2", "R6C8=5", "R7C4=3", "R5C8=9", "R0C2=6", "R5C0=6", "R8C6=3", "R8C2=7", "R1C4=4", "R8C4=5", "R5C3=4", "R4C0=2", "R7C2=5", "R3C5=3", "R6C7=1", "R0C8=8", "R3C3=5", "R6C6=6", "R6C5=8", "R4C5=9", "R5C7=7", "R4C3=8" ]
665
021084050607003004000501009006020080710040023500600090408900032060070000203008507
921784356657293814834561279346129785719845623582637491478956132165372948293418567
backtracking
[ "R1C3=2", "R8C7=6", "R7C8=8", "R5C4=3", "R0C6=3", "R1C4=9", "R2C0=8", "R4C6=6", "R2C7=7", "R1C6=8", "R0C3=7", "R3C3=1", "R3C5=9", "R5C1=8", "R0C0=9", "R7C3=3", "R5C6=4", "R5C2=2", "R1C7=1", "R7C6=9", "R8C4=1", "R3C0=3", "R2C4=6", "R6C4=5", "R8C1=9", "R7C7=4", "R0C8=6", "R6C5=6", "R7C2=5", "R7C0=1", "R2C6=2", "R8C3=4", "R2C2=4", "R4C5=5", "R6C1=7", "R4C3=8", "R2C1=3", "R3C6=7", "R3C8=5", "R6C6=1", "R7C5=2", "R1C1=5", "R3C1=4", "R5C5=7", "R5C8=1", "R4C2=9" ]
666
058029400003400206006180007025068001000001002000097350019700605004050028060000030
758629413193475286246183597425368971937541862681297354819732645374956128562814739
backtracking
[ "R7C5=6", "R3C0=4", "R8C3=8", "R4C2=7", "R0C0=7", "R0C8=3", "R2C7=9", "R1C1=9", "R8C6=7", "R5C3=2", "R5C0=6", "R0C7=1", "R1C0=1", "R4C7=6", "R3C7=7", "R2C5=3", "R1C5=5", "R2C0=2", "R5C1=8", "R4C3=5", "R2C1=4", "R5C8=4", "R4C4=4", "R6C0=8", "R4C6=8", "R7C1=7", "R8C8=9", "R6C4=3", "R6C7=4", "R8C0=5", "R8C5=4", "R8C2=2", "R8C4=1", "R2C6=5", "R3C6=9", "R4C1=3", "R3C3=3", "R0C3=6", "R7C0=3", "R7C3=9", "R4C0=9", "R1C7=8", "R5C2=1", "R1C4=7", "R7C6=1", "R6C5=2" ]
667
021600470605034800039000050008020907054001020300800010000398201000070000000205034
821659473675134892439782156168523947754961328392847615547398261213476589986215734
constraint_programming
[ "R4C4=6", "R5C5=7", "R2C4=8", "R3C3=5", "R7C8=9", "R5C1=9", "R1C8=2", "R4C3=9", "R8C1=8", "R5C2=2", "R6C1=4", "R0C0=8", "R1C1=7", "R2C5=2", "R8C6=7", "R5C4=4", "R3C0=1", "R7C3=4", "R0C4=5", "R1C3=1", "R3C1=6", "R2C3=7", "R6C0=5", "R5C6=6", "R8C4=1", "R6C2=7", "R7C5=6", "R7C1=1", "R8C0=9", "R3C5=3", "R7C7=8", "R4C6=3", "R7C2=3", "R4C0=7", "R2C0=4", "R5C8=5", "R0C8=3", "R2C6=1", "R2C8=6", "R8C2=6", "R6C7=6", "R1C7=9", "R4C8=8", "R7C0=2", "R0C5=9", "R3C7=4", "R7C6=5" ]
668
009002005000674000042000810106090043028700006500040701001000024060058070950000030
739182465815674392642539817176895243428713956593246781381967524264358179957421638
constraint_programming
[ "R2C0=6", "R5C7=8", "R1C7=9", "R0C1=3", "R7C0=2", "R0C3=1", "R2C4=3", "R1C1=1", "R8C2=7", "R4C0=4", "R8C3=4", "R5C2=3", "R0C7=6", "R0C6=4", "R5C3=2", "R7C6=1", "R1C6=3", "R3C6=2", "R7C3=3", "R5C5=6", "R8C6=6", "R8C4=2", "R3C3=8", "R6C6=5", "R3C1=7", "R2C3=5", "R4C6=9", "R2C8=7", "R4C4=1", "R0C0=7", "R2C5=9", "R1C8=2", "R6C5=7", "R6C1=8", "R4C7=5", "R4C5=3", "R6C0=3", "R8C8=8", "R7C2=4", "R5C1=9", "R3C5=5", "R6C4=6", "R8C5=1", "R0C4=8", "R1C0=8", "R7C8=9", "R6C3=9", "R1C2=5" ]
669
105800600006050010009040305002003094080070000000100763500012080000490107430706200
175839642346257918829641375712563894683974521954128763597312486268495137431786259
backtracking
[ "R1C3=2", "R3C0=7", "R0C5=9", "R5C0=9", "R1C8=8", "R2C3=6", "R5C1=5", "R2C1=2", "R1C6=9", "R3C4=6", "R4C7=2", "R7C2=8", "R6C6=4", "R4C0=6", "R7C1=6", "R6C1=9", "R8C4=8", "R2C7=7", "R7C0=2", "R4C6=5", "R8C2=1", "R6C2=7", "R1C0=3", "R0C7=4", "R5C4=2", "R2C0=8", "R4C8=1", "R4C3=9", "R4C2=3", "R0C1=7", "R5C5=8", "R5C2=4", "R0C8=2", "R1C1=4", "R6C3=3", "R3C3=5", "R1C5=7", "R4C5=4", "R3C6=8", "R3C1=1", "R2C5=1", "R8C7=5", "R7C7=3", "R8C8=9", "R7C5=5", "R0C4=3", "R6C8=6" ]
670
020708900009400803015000002490005000083600071000002060000830000700049005068017020
324758916679421853815963742496175238283694571157382469542836197731249685968517324
backtracking
[ "R5C0=1", "R0C2=4", "R1C5=1", "R3C4=7", "R4C6=5", "R2C0=8", "R4C5=4", "R3C2=6", "R5C1=5", "R8C3=5", "R1C4=2", "R4C4=9", "R3C7=3", "R7C2=1", "R0C8=6", "R1C1=7", "R2C7=4", "R2C4=6", "R3C8=8", "R8C0=9", "R5C6=4", "R4C0=2", "R3C3=1", "R5C8=9", "R6C7=9", "R7C1=3", "R2C3=9", "R7C6=6", "R6C8=7", "R6C5=6", "R5C4=8", "R5C2=7", "R2C5=3", "R6C2=2", "R8C6=3", "R2C6=7", "R7C7=8", "R7C3=2", "R0C0=3", "R0C7=1", "R6C6=1", "R3C6=2", "R1C7=5", "R8C8=4", "R0C4=5", "R1C0=6", "R5C3=3", "R6C0=5", "R6C1=4" ]
671
010094508508600090706000300100837002204001000000400670030002706900000020005108040
312794568548613297796285314169837452274561839853429671431952786987346125625178943
constraint_programming
[ "R0C7=6", "R7C8=5", "R6C0=4", "R6C4=5", "R7C1=8", "R3C2=9", "R1C4=1", "R7C5=6", "R2C1=9", "R6C7=8", "R2C8=4", "R3C7=5", "R7C2=7", "R1C8=7", "R4C4=6", "R5C5=9", "R4C7=3", "R8C8=3", "R3C6=4", "R8C6=9", "R8C4=7", "R1C1=4", "R6C2=1", "R2C3=2", "R5C4=2", "R4C6=8", "R5C0=8", "R5C1=5", "R4C8=9", "R8C0=6", "R6C3=9", "R7C3=3", "R4C3=5", "R0C0=3", "R7C4=4", "R0C2=2", "R1C5=3", "R8C1=2", "R2C7=1", "R1C6=2", "R2C5=5", "R2C4=8", "R5C2=3", "R5C8=1", "R7C6=1", "R4C1=7", "R3C1=6", "R0C3=7" ]
672
000010529003605784004800060900206005040100200860097030018400007009003000200050300
687314529193625784524879163931246875745138296862597431318462957459783612276951348
backtracking
[ "R4C2=5", "R2C1=2", "R7C0=4", "R3C4=4", "R2C5=9", "R8C8=8", "R4C8=6", "R8C3=9", "R0C0=6", "R8C5=1", "R6C0=3", "R8C7=4", "R7C7=1", "R6C6=9", "R0C2=7", "R2C8=3", "R6C5=2", "R5C3=5", "R8C2=6", "R3C6=8", "R3C2=1", "R0C3=3", "R1C0=1", "R0C5=4", "R5C2=2", "R5C8=1", "R3C1=3", "R4C5=8", "R1C4=2", "R2C4=7", "R2C0=5", "R6C7=5", "R7C3=7", "R7C4=8", "R6C4=6", "R5C6=4", "R4C7=9", "R7C8=2", "R0C1=8", "R8C1=7", "R4C0=7", "R4C4=3", "R2C6=1", "R1C1=9", "R7C1=5", "R7C6=6", "R3C7=7" ]
673
800903002304206005000017008090700600010504003520001079009800100635040000000030024
861953742374286915952417368493728651716594283528361479249875136635142897187639524
backtracking
[ "R2C6=3", "R3C5=8", "R8C0=1", "R1C4=8", "R5C4=6", "R8C1=8", "R1C7=1", "R3C0=4", "R6C0=2", "R0C1=6", "R2C0=9", "R1C6=9", "R0C2=1", "R2C7=6", "R2C1=5", "R4C2=6", "R6C4=7", "R2C3=4", "R7C7=9", "R1C1=7", "R8C3=6", "R5C6=4", "R8C6=5", "R4C7=8", "R0C7=4", "R6C1=4", "R0C4=5", "R5C2=8", "R6C8=6", "R6C5=5", "R2C2=2", "R6C7=3", "R4C6=2", "R0C6=7", "R3C4=2", "R3C7=5", "R8C5=9", "R7C6=8", "R7C8=7", "R7C5=2", "R3C8=1", "R7C3=1", "R5C3=3", "R3C2=3", "R8C2=7", "R4C4=9", "R4C0=7" ]
674
205030046090040000870029300080400709600590000001062004703000001020000680400001532
215837946396145278874629315582413769647598123931762854753286491129354687468971532
constraint_programming
[ "R4C1=4", "R8C4=7", "R7C4=5", "R8C3=9", "R8C2=8", "R7C5=4", "R4C6=1", "R7C8=7", "R7C0=1", "R5C0=9", "R6C7=9", "R7C3=3", "R3C7=6", "R3C2=2", "R1C2=6", "R1C5=5", "R6C4=8", "R5C3=7", "R6C1=5", "R0C1=1", "R4C7=2", "R0C5=7", "R1C7=7", "R1C3=1", "R4C2=7", "R7C2=9", "R3C4=1", "R2C8=5", "R3C0=5", "R6C3=2", "R2C7=1", "R2C2=4", "R6C5=6", "R0C6=9", "R5C6=8", "R3C5=3", "R5C7=5", "R2C3=6", "R4C5=8", "R1C8=8", "R8C1=6", "R1C0=3", "R5C1=3", "R4C8=3", "R1C6=2", "R0C3=8", "R6C6=4" ]
675
640012700700009800000530001057080064000020190820104300000000010006350007293400000
645812739731649852982537641157983264364725198829164375578296413416358927293471586
backtracking
[ "R5C4=6", "R6C8=3", "R1C3=6", "R5C8=5", "R0C7=3", "R7C5=8", "R3C5=3", "R1C1=3", "R5C7=7", "R2C0=9", "R4C3=7", "R7C6=9", "R2C6=6", "R5C2=9", "R8C8=6", "R2C7=4", "R7C7=2", "R2C2=2", "R7C0=4", "R4C0=3", "R6C1=7", "R3C3=9", "R4C8=8", "R2C1=8", "R4C5=5", "R6C2=8", "R1C4=4", "R1C2=1", "R6C3=2", "R6C4=9", "R3C0=1", "R8C7=8", "R4C1=6", "R8C6=5", "R1C8=2", "R2C5=7", "R3C6=2", "R4C2=4", "R1C7=5", "R7C1=1", "R8C5=1", "R8C4=7", "R0C3=8", "R6C0=5", "R6C5=6", "R6C6=4", "R0C8=9", "R0C2=5" ]
676
001004050800960270740028300008003600500010027974000080400006001050300900390005042
621734859835961274749528316218473695563819427974652183487296531152347968396185742
constraint_programming
[ "R4C6=4", "R0C4=3", "R0C0=6", "R4C5=9", "R4C2=3", "R3C1=1", "R0C6=8", "R6C6=5", "R4C3=8", "R6C1=8", "R7C0=1", "R6C3=2", "R3C7=9", "R5C3=6", "R0C8=9", "R5C5=2", "R3C8=5", "R5C8=3", "R4C1=6", "R6C7=3", "R8C2=6", "R1C2=5", "R7C8=8", "R6C2=7", "R8C4=8", "R1C5=1", "R3C4=7", "R1C8=4", "R5C6=1", "R2C8=6", "R2C3=5", "R1C1=3", "R7C4=4", "R8C6=7", "R2C2=9", "R7C7=6", "R3C0=2", "R3C3=4", "R6C4=9", "R2C7=1", "R0C3=7", "R0C1=2", "R8C3=1", "R7C5=7", "R7C2=2", "R5C4=5" ]
677
001096805080041620002000010043008100000050097050060003060500040000872000900034072
471296835385741629692385714743928156826153497159467283267519348534872961918634572
backtracking
[ "R7C1=3", "R6C2=7", "R2C5=5", "R2C1=9", "R7C6=9", "R4C6=4", "R7C7=6", "R3C7=5", "R2C0=6", "R8C3=6", "R4C0=8", "R5C7=8", "R8C1=1", "R1C3=7", "R2C3=3", "R3C3=9", "R1C2=5", "R7C2=4", "R5C6=2", "R6C0=2", "R5C5=7", "R5C2=9", "R6C8=8", "R4C2=6", "R4C3=1", "R3C8=6", "R6C5=9", "R0C7=3", "R0C0=4", "R3C0=7", "R6C6=3", "R3C4=2", "R2C6=7", "R6C4=1", "R1C0=3", "R5C3=4", "R7C8=1", "R0C3=2", "R1C8=9", "R5C0=1", "R8C6=5", "R4C1=2", "R2C8=4", "R0C1=7", "R8C2=8", "R4C5=3", "R2C4=8", "R7C0=5" ]
678
400061980008000007000240030107003600090050000056800074009506200043082009760300100
435761982628935417971248536187423695394657821256819374819576243543182769762394158
backtracking
[ "R1C5=5", "R1C4=3", "R1C0=6", "R4C5=7", "R0C3=7", "R6C8=3", "R1C3=9", "R5C6=3", "R2C5=8", "R6C0=8", "R1C7=1", "R1C6=4", "R5C4=1", "R4C7=2", "R6C7=4", "R2C1=7", "R4C0=3", "R7C6=7", "R2C8=6", "R0C8=2", "R5C5=9", "R2C0=9", "R8C2=2", "R4C2=4", "R8C7=5", "R7C0=5", "R3C1=8", "R3C3=4", "R0C1=3", "R3C7=9", "R8C5=4", "R0C2=5", "R8C4=9", "R6C1=1", "R7C7=6", "R6C4=7", "R2C2=1", "R5C0=2", "R3C8=5", "R7C3=1", "R1C1=2", "R3C4=2", "R4C3=6", "R2C6=5", "R4C6=8", "R8C8=8", "R4C8=1" ]
679
000078010340006007001090605006502100500007006078019400065000032400000890097021000
652478319349156287781293645936542178514837926278619453165984732423765891897321564
backtracking
[ "R4C6=9", "R8C7=6", "R0C0=6", "R2C1=8", "R5C7=5", "R6C4=8", "R0C1=5", "R5C0=2", "R8C8=4", "R7C3=7", "R3C1=3", "R2C5=3", "R3C8=8", "R4C3=8", "R0C3=4", "R7C8=1", "R0C6=3", "R0C2=2", "R1C6=2", "R7C5=5", "R7C2=3", "R7C4=6", "R1C3=1", "R6C3=9", "R6C5=4", "R3C7=7", "R2C7=4", "R3C0=9", "R8C0=8", "R4C7=2", "R0C8=9", "R8C3=3", "R5C3=6", "R7C1=2", "R5C8=3", "R4C2=4", "R3C4=4", "R4C4=3", "R8C6=5", "R1C2=9", "R2C3=2", "R6C0=1", "R6C6=7", "R1C4=5", "R1C7=8", "R2C0=7", "R4C1=1" ]
680
000008702105000048006000010000700300069510004740609200004273000821905000900060005
493158762175326948286497513512784396369512874748639251654273189821945637937861425
backtracking
[ "R0C7=6", "R2C5=7", "R8C3=8", "R8C2=7", "R7C6=6", "R1C3=3", "R0C1=9", "R3C7=9", "R2C6=5", "R8C1=3", "R2C4=9", "R1C5=6", "R1C6=9", "R4C0=3", "R8C7=2", "R6C6=1", "R8C6=4", "R6C1=5", "R5C4=3", "R5C2=8", "R4C5=2", "R7C8=7", "R5C7=5", "R7C4=4", "R8C5=1", "R1C4=2", "R2C1=8", "R6C0=6", "R3C4=8", "R2C8=3", "R6C7=8", "R0C4=5", "R4C7=7", "R1C1=7", "R0C2=3", "R5C8=1", "R4C6=8", "R3C8=6", "R0C3=1", "R3C5=4", "R3C2=2", "R0C0=4", "R7C7=3", "R3C0=5", "R2C0=2", "R3C1=1", "R6C8=9", "R2C3=4" ]
681
015000000340209000000000621802000700073065900090004038004930007160070050900058240
215687493346219875789543621852391764473865912691724538524936187168472359937158246
backtracking
[ "R5C2=1", "R7C6=3", "R0C4=8", "R7C5=2", "R4C3=8", "R2C2=9", "R0C8=3", "R5C3=7", "R1C2=6", "R0C0=2", "R0C6=4", "R6C7=8", "R2C3=5", "R3C4=9", "R8C2=7", "R3C8=4", "R1C4=1", "R5C4=2", "R8C3=1", "R0C3=6", "R5C6=5", "R4C7=1", "R0C5=7", "R7C2=8", "R4C8=2", "R6C1=2", "R2C0=7", "R3C1=5", "R4C0=4", "R8C1=3", "R1C8=5", "R2C1=8", "R5C0=6", "R1C6=8", "R6C0=5", "R2C4=4", "R3C5=1", "R6C6=1", "R0C7=9", "R7C8=9", "R8C8=6", "R3C7=6", "R7C3=4", "R1C7=7", "R3C3=3", "R2C5=3", "R6C5=6" ]
682
100094807900053000605010900008000075270000001300102060000009002002840530004307086
123694857987253614645718923418936275276485391359172468831569742762841539594327186
backtracking
[ "R2C3=7", "R2C5=8", "R1C6=6", "R1C7=1", "R2C8=3", "R7C1=6", "R4C6=3", "R4C5=5", "R2C1=4", "R6C7=4", "R1C3=2", "R6C4=6", "R1C1=8", "R5C6=4", "R5C2=9", "R4C4=8", "R3C5=6", "R4C7=9", "R6C2=1", "R3C6=2", "R8C1=9", "R7C8=9", "R8C0=5", "R5C4=7", "R8C4=2", "R3C3=9", "R6C3=5", "R0C7=5", "R0C3=6", "R5C8=8", "R6C6=7", "R0C2=3", "R5C1=5", "R8C6=1", "R3C0=4", "R4C3=4", "R7C5=1", "R3C1=1", "R6C1=3", "R6C0=8", "R2C7=2", "R3C4=3", "R1C2=7", "R4C2=6", "R7C0=7", "R0C1=2", "R1C8=4" ]
683
000903700130004260502800093087600005000085042004001600700000000398002074020390010
846923751139574268572816493287649135613785942954231687761458329398162574425397816
backtracking
[ "R4C0=6", "R1C8=8", "R0C2=6", "R6C3=4", "R3C0=2", "R7C4=6", "R8C0=4", "R2C6=4", "R5C7=8", "R6C1=6", "R8C2=5", "R7C3=1", "R7C6=5", "R1C2=9", "R3C4=4", "R4C1=1", "R2C5=6", "R0C4=2", "R0C1=4", "R5C4=3", "R4C6=9", "R6C2=1", "R5C3=2", "R6C7=2", "R1C4=7", "R2C4=1", "R6C6=3", "R3C7=3", "R2C1=7", "R5C8=7", "R3C6=1", "R6C5=8", "R5C1=5", "R0C0=8", "R8C6=8", "R1C3=5", "R0C8=1", "R6C8=9", "R3C5=9", "R4C2=3", "R6C4=5", "R5C0=9", "R8C8=6", "R4C3=7", "R8C5=7", "R0C7=5" ]
684
038004005900070030100060890060105004090480010301207500605000180700001200000028706
238914675956872431174563892867135924592486317341297568625749183783651249419328756
backtracking
[ "R5C4=9", "R7C7=4", "R4C0=5", "R7C2=3", "R7C1=8", "R7C4=5", "R0C0=2", "R2C3=5", "R8C3=3", "R7C3=6", "R6C4=4", "R6C5=9", "R1C3=8", "R6C8=3", "R0C7=7", "R1C6=4", "R3C7=2", "R4C8=7", "R2C5=3", "R2C8=2", "R8C7=5", "R0C6=6", "R5C7=6", "R1C2=6", "R3C4=3", "R2C2=4", "R2C1=7", "R8C2=9", "R4C5=6", "R5C1=4", "R7C8=9", "R4C2=2", "R1C8=1", "R3C6=9", "R0C4=1", "R3C2=7", "R3C0=8", "R5C8=8", "R8C1=1", "R0C3=9", "R6C1=2", "R1C5=2", "R6C3=7", "R8C0=4", "R4C6=3", "R1C1=5" ]
685
020016900309000001406005800008490670000571000000000102091008040070060205504309008
725816934389247561416935827158492673632571489947683152291758346873164295564329718
backtracking
[ "R1C4=4", "R3C8=3", "R6C3=7", "R3C5=2", "R4C1=3", "R3C0=1", "R7C2=3", "R5C4=8", "R8C1=6", "R8C4=2", "R6C8=6", "R1C1=8", "R6C4=5", "R7C3=1", "R1C3=2", "R2C4=3", "R3C1=5", "R1C5=7", "R4C0=6", "R5C3=6", "R4C8=9", "R5C2=7", "R1C6=5", "R4C7=8", "R0C2=5", "R6C0=2", "R7C5=4", "R2C1=1", "R8C6=7", "R2C7=2", "R5C7=5", "R2C8=7", "R5C0=9", "R0C0=7", "R4C6=4", "R5C1=4", "R4C2=2", "R7C7=9", "R2C3=9", "R1C7=6", "R0C8=4", "R8C7=1", "R0C3=8", "R6C6=3", "R5C5=3", "R0C7=3", "R7C0=8" ]
686
007400080600105040250300001008609000006081097305000010739020054000000038040700902
917462583683175249254398671178639425426581397395247816739826154562914738841753962
backtracking
[ "R5C4=4", "R6C3=8", "R1C4=7", "R6C6=1", "R4C3=5", "R7C2=2", "R1C8=9", "R2C4=9", "R8C2=1", "R2C2=4", "R8C4=5", "R1C1=8", "R0C1=1", "R7C5=4", "R7C0=5", "R2C5=8", "R4C6=3", "R7C6=7", "R3C4=3", "R0C5=2", "R7C1=6", "R4C1=2", "R7C4=1", "R8C5=3", "R3C7=2", "R8C0=8", "R0C0=9", "R3C0=1", "R8C7=6", "R5C6=8", "R0C8=3", "R3C1=7", "R4C0=4", "R5C3=2", "R5C5=7", "R3C8=5", "R0C6=5", "R1C2=3", "R7C3=9", "R0C4=6", "R5C8=6", "R6C5=6", "R2C6=6", "R2C7=7", "R3C6=4", "R1C6=2", "R5C1=9" ]
687
367002105040005690001004087059038060200000000406019500100087000080000704000950032
367892145842175693591364287759238461218546379436719528123487956985623714674951832
backtracking
[ "R4C5=6", "R5C3=7", "R5C1=3", "R4C3=5", "R8C6=8", "R2C3=3", "R7C0=9", "R7C2=5", "R0C7=4", "R4C7=7", "R1C2=2", "R8C2=4", "R7C5=3", "R7C4=2", "R0C3=8", "R6C2=3", "R6C8=6", "R4C4=4", "R5C8=8", "R7C7=1", "R1C3=1", "R6C1=2", "R3C8=1", "R8C1=7", "R2C4=6", "R4C1=1", "R6C7=5", "R1C4=7", "R5C7=2", "R3C3=2", "R2C0=5", "R2C6=2", "R3C0=7", "R4C6=3", "R8C0=6", "R4C2=8", "R0C4=9", "R3C6=4", "R8C5=1", "R6C6=9", "R4C8=9", "R6C3=4", "R7C3=6", "R1C8=3", "R2C1=9", "R1C0=8" ]
688
010700008080500039070009400035008024000000980000160007600290040400035200307016005
914723568286541739573689412135978624762354981849162357658297143491835276327416895
backtracking
[ "R1C5=1", "R5C1=4", "R4C4=5", "R8C1=2", "R3C6=6", "R7C7=7", "R2C2=3", "R7C8=6", "R6C8=3", "R6C1=5", "R0C4=2", "R0C5=3", "R5C0=8", "R6C6=1", "R1C2=6", "R5C5=2", "R2C3=6", "R7C3=8", "R0C0=9", "R8C3=4", "R2C0=5", "R5C6=3", "R0C2=4", "R4C2=2", "R2C4=8", "R4C5=4", "R3C4=7", "R0C7=6", "R1C4=4", "R3C3=9", "R4C1=6", "R2C8=2", "R3C0=1", "R8C6=8", "R2C7=1", "R6C5=7", "R1C0=2", "R4C3=3", "R1C6=7", "R6C2=8", "R7C1=9", "R5C2=9", "R0C6=5", "R7C2=1", "R8C7=9", "R4C8=1", "R5C7=5", "R4C0=7" ]
689
400170038237000000000450600050007000790680010010009026640020507900840260000000803
465172938237968154189453672356217489792684315814539726648321597973845261521796843
constraint_programming
[ "R8C2=1", "R1C6=1", "R7C1=7", "R3C2=6", "R3C7=8", "R6C2=8", "R2C7=7", "R7C2=3", "R2C8=2", "R8C1=2", "R4C8=5", "R5C3=5", "R0C5=2", "R7C5=5", "R6C5=1", "R1C3=9", "R0C6=9", "R6C3=3", "R2C1=8", "R2C5=3", "R2C0=1", "R3C4=1", "R1C8=4", "R4C2=2", "R1C5=8", "R8C3=7", "R1C7=5", "R3C6=4", "R5C2=4", "R1C4=6", "R3C3=2", "R2C2=9", "R6C7=9", "R4C5=4", "R5C6=7", "R3C0=3", "R4C6=3", "R8C4=9", "R8C5=6", "R8C0=5", "R0C2=5", "R8C7=4", "R5C0=8", "R5C4=3", "R7C8=1", "R0C1=6", "R3C8=9" ]
690
203001409400200070007086035980005000700009100014020006032060800800310560000750002
263571489458293671197486235986145723725639148314827956532964817879312564641758392
backtracking
[ "R6C0=5", "R0C3=5", "R5C5=7", "R2C0=1", "R5C3=8", "R1C6=6", "R5C0=3", "R3C8=3", "R4C7=4", "R8C6=3", "R7C1=7", "R8C2=1", "R3C4=4", "R2C6=2", "R3C7=2", "R4C4=3", "R5C7=5", "R3C3=1", "R1C2=8", "R2C3=4", "R8C0=6", "R0C4=7", "R5C6=9", "R3C6=7", "R2C1=9", "R1C1=5", "R0C7=8", "R8C7=9", "R4C2=5", "R6C7=1", "R8C5=8", "R1C4=9", "R6C8=7", "R4C3=6", "R7C8=4", "R6C5=4", "R7C2=9", "R1C5=3", "R1C8=1", "R4C8=8", "R7C5=2", "R3C2=6", "R8C1=4", "R0C1=6", "R4C1=2", "R6C3=9" ]
691
028000460001004539000070001800453006970208000500060120000031005040000793690007000
328195467761824539459376281812453976976218354534769128287931645145682793693547812
backtracking
[ "R8C6=8", "R8C3=5", "R5C8=8", "R1C3=8", "R4C2=6", "R2C7=8", "R1C1=6", "R1C0=7", "R8C8=2", "R0C0=3", "R2C3=3", "R6C1=8", "R7C0=1", "R0C8=7", "R5C2=4", "R1C4=2", "R2C6=2", "R6C3=9", "R6C0=2", "R3C1=1", "R2C5=6", "R7C2=5", "R6C2=7", "R4C6=3", "R7C3=6", "R3C7=7", "R6C7=4", "R5C1=3", "R0C5=5", "R8C2=3", "R4C7=5", "R3C6=9", "R3C2=2", "R4C4=1", "R0C4=9", "R4C8=4", "R2C2=9", "R7C5=2", "R0C3=1", "R8C4=4", "R6C6=6", "R2C0=4", "R8C7=1", "R2C1=5", "R5C5=9", "R7C4=8", "R5C3=7" ]
692
500403180029000700000809000008600002300700054750032000000080510630050098400106207
576423189829561743143879625918645372362718954754932861297384516631257498485196237
constraint_programming
[ "R1C7=4", "R4C4=1", "R8C2=5", "R3C6=3", "R4C5=8", "R4C6=9", "R3C1=1", "R0C8=9", "R1C5=1", "R2C7=2", "R6C1=9", "R2C8=5", "R5C7=6", "R7C5=7", "R5C3=9", "R5C6=8", "R8C7=3", "R2C1=4", "R8C1=8", "R0C1=7", "R5C2=4", "R8C4=9", "R2C4=7", "R6C3=3", "R3C7=7", "R1C0=8", "R2C6=6", "R1C4=6", "R3C4=4", "R1C8=3", "R5C8=1", "R6C8=6", "R7C3=2", "R4C1=6", "R2C0=1", "R0C4=2", "R0C2=6", "R6C2=7", "R3C0=9", "R4C2=2", "R6C5=4", "R3C5=5", "R6C0=2", "R1C3=5", "R7C6=4", "R2C2=3", "R7C2=1" ]
693
001060052060900300007234000502000018090007605800040000000019500680320070040800039
431768952268951347957234861572693418394187625816542793723419586689325174145876239
constraint_programming
[ "R4C0=3", "R1C8=7", "R5C5=2", "R5C6=7", "R5C8=3", "R2C1=5", "R1C2=8", "R3C3=6", "R6C7=8", "R6C3=4", "R6C1=2", "R8C0=1", "R8C5=6", "R7C2=9", "R3C1=7", "R0C0=4", "R6C2=3", "R8C6=2", "R0C1=3", "R1C4=5", "R7C6=1", "R6C8=6", "R3C4=9", "R5C7=9", "R1C7=4", "R7C5=5", "R6C0=7", "R4C2=4", "R2C0=9", "R4C7=2", "R4C3=1", "R1C0=2", "R0C5=8", "R3C5=3", "R5C3=5", "R5C1=1", "R5C2=6", "R7C8=4", "R2C7=6", "R3C6=4", "R2C8=1", "R2C6=8", "R0C3=7", "R1C5=1", "R0C6=9", "R4C4=8", "R8C2=5", "R8C4=7" ]
694
047000100580307029602010000003009047000800200100405030070092014006003070098000006
947258163581367429632914785863129547754836291129475638375692814416583972298741356
backtracking
[ "R8C5=1", "R2C5=4", "R0C3=2", "R4C4=3", "R5C4=7", "R4C7=9", "R3C1=6", "R4C8=1", "R4C1=5", "R7C1=1", "R0C0=9", "R4C0=7", "R7C3=5", "R2C7=8", "R7C0=4", "R6C2=5", "R0C8=3", "R5C2=9", "R5C8=8", "R3C0=8", "R7C6=9", "R8C3=7", "R3C6=5", "R8C7=5", "R6C0=3", "R5C6=6", "R6C3=6", "R0C4=5", "R1C2=1", "R8C4=4", "R0C7=6", "R0C5=8", "R2C8=5", "R3C4=2", "R1C6=4", "R2C3=9", "R4C5=6", "R1C4=6", "R4C2=4", "R2C6=7", "R7C8=2", "R5C1=2", "R3C3=1", "R2C1=3", "R7C4=8", "R8C0=2", "R8C6=3", "R6C6=8" ]
695
185020006064000030000910400008735020700008005300460900420800000019000500006172800
185324796964587231273916458698735124741298365352461987427859613819643572536172849
constraint_programming
[ "R7C7=7", "R4C6=3", "R0C6=7", "R4C7=6", "R0C3=3", "R7C5=3", "R2C5=6", "R2C8=8", "R8C8=9", "R7C0=8", "R5C1=5", "R7C3=6", "R1C5=7", "R6C4=5", "R4C4=9", "R0C5=4", "R1C4=8", "R3C1=9", "R5C7=8", "R2C7=5", "R6C5=9", "R6C6=6", "R3C8=4", "R5C2=2", "R6C2=7", "R7C4=4", "R1C6=2", "R8C1=3", "R5C5=1", "R2C0=2", "R1C0=9", "R3C0=6", "R1C3=5", "R0C7=9", "R2C1=7", "R4C2=1", "R3C6=1", "R7C8=2", "R8C7=4", "R2C2=3", "R4C1=4", "R1C8=1", "R6C7=1", "R4C3=2", "R6C8=3", "R5C8=7", "R8C0=5" ]
696
000001500050902000900700634090000000075009180160074020000003700780640010203080005
837461592654932871921758634392816457475329186168574329516293748789645213243187965
backtracking
[ "R6C8=8", "R2C1=2", "R6C4=9", "R3C4=1", "R0C1=3", "R8C7=6", "R6C3=2", "R3C0=3", "R2C5=8", "R1C8=1", "R8C3=1", "R3C6=4", "R3C3=8", "R4C3=3", "R3C8=7", "R5C6=3", "R8C5=7", "R0C8=2", "R6C7=4", "R8C6=9", "R2C4=5", "R7C5=5", "R7C8=3", "R3C2=2", "R1C6=8", "R1C4=3", "R0C4=6", "R7C2=9", "R5C3=5", "R6C1=1", "R7C6=2", "R4C8=6", "R0C3=4", "R0C2=7", "R0C7=9", "R5C2=8", "R3C7=5", "R0C0=8", "R5C8=9", "R1C0=6", "R1C2=4", "R1C7=7", "R6C2=6", "R4C4=2", "R8C1=4", "R3C5=6", "R4C0=4", "R6C0=5", "R2C2=1" ]
697
010400702708030009960080000000042506690100020402008130000009008200015400305600070
513496782728531649964287315831742596697153824452968137146379258279815463385624971
backtracking
[ "R0C4=9", "R1C7=4", "R3C1=3", "R2C5=7", "R0C2=3", "R6C3=3", "R7C8=3", "R4C5=3", "R8C1=8", "R6C6=2", "R6C1=4", "R0C0=5", "R2C7=1", "R2C2=4", "R6C2=6", "R2C6=3", "R4C2=7", "R1C3=5", "R3C3=7", "R6C4=7", "R3C2=1", "R7C7=6", "R7C2=9", "R1C6=6", "R2C3=2", "R1C5=1", "R4C4=5", "R5C4=6", "R8C8=1", "R2C8=5", "R4C6=8", "R8C5=4", "R5C3=9", "R1C1=2", "R6C7=5", "R5C8=7", "R8C4=2", "R7C1=7", "R0C5=6", "R6C0=1", "R7C3=8", "R0C7=8", "R3C0=8", "R5C1=5", "R8C6=9", "R3C7=9", "R4C8=4" ]
698
000109800820004017030502000200056000100000496074000003060090070950200060000307025
546179832829634517731582649293456781185723496674918253362895174957241368418367925
backtracking
[ "R4C5=3", "R6C2=2", "R6C3=8", "R4C1=8", "R3C7=8", "R7C2=7", "R2C6=6", "R8C0=4", "R1C2=9", "R6C8=4", "R1C3=6", "R4C2=5", "R7C6=3", "R4C3=7", "R2C8=9", "R4C4=2", "R5C0=6", "R8C2=8", "R6C0=3", "R0C8=2", "R0C4=7", "R2C0=7", "R7C5=1", "R1C6=5", "R0C1=4", "R7C4=4", "R6C6=1", "R2C7=4", "R2C4=8", "R1C4=3", "R8C4=6", "R7C8=8", "R5C5=8", "R8C1=1", "R3C1=9", "R5C4=1", "R5C6=2", "R5C3=9", "R0C0=5", "R3C3=4", "R0C2=6", "R6C5=5", "R3C8=1", "R3C2=3", "R3C6=7", "R0C7=3", "R2C2=1", "R5C7=5", "R8C6=9" ]
699
082109050000070100306000040075801000200300008008020769697400300000750001400002806
782149653549673182316285947975861234264397518138524769697418325823756491451932876
constraint_programming
[ "R4C6=5", "R1C7=8", "R5C5=4", "R7C7=9", "R3C6=2", "R3C4=6", "R8C7=7", "R3C7=3", "R4C2=4", "R1C8=2", "R8C2=1", "R2C5=5", "R1C3=6", "R2C8=7", "R7C2=3", "R1C5=3", "R0C8=3", "R5C3=5", "R2C6=9", "R7C1=2", "R6C7=2", "R0C4=4", "R7C5=6", "R2C1=1", "R1C0=5", "R3C0=9", "R1C1=4", "R4C5=7", "R8C3=9", "R7C6=4", "R4C4=9", "R7C0=8", "R5C0=1", "R2C3=2", "R8C1=5", "R6C4=1", "R5C1=3", "R8C4=3", "R4C1=6", "R6C5=8", "R2C4=8", "R4C7=1", "R0C6=6", "R0C0=7", "R1C2=9", "R6C8=5", "R3C8=4" ]