id
int64
0
1,000k
quizzes
stringlengths
81
81
solutions
stringlengths
81
81
method
stringclasses
2 values
steps
sequencelengths
44
52
100
450000000001600790307200100000850902002169304500000080068094001070508060000010023
456971238821643795397285146634857912782169354519432687268394571173528469945716823
backtracking
[ "R7C2=3", "R3C7=1", "R3C2=4", "R0C7=3", "R5C6=6", "R2C7=4", "R0C8=8", "R5C2=9", "R8C5=6", "R8C2=5", "R3C0=6", "R4C1=8", "R2C4=8", "R1C1=2", "R8C1=4", "R1C0=8", "R4C7=5", "R1C5=3", "R3C5=7", "R6C0=2", "R2C5=5", "R5C5=2", "R8C0=9", "R2C8=6", "R7C8=9", "R5C1=1", "R0C5=1", "R3C1=3", "R7C4=2", "R1C8=5", "R7C6=4", "R7C0=1", "R0C6=2", "R8C6=8", "R0C4=7", "R4C0=7", "R2C1=9", "R5C3=4", "R8C3=7", "R6C3=3", "R6C7=7", "R0C2=6", "R5C4=3", "R0C3=9", "R1C4=4", "R5C8=7", "R6C6=5" ]
101
000004800010236700503017609300500000109420006075108002090005007002000430700680901
267954813918236745543817629326579184189423576475168392891345267652791438734682951
backtracking
[ "R6C0=8", "R7C5=1", "R6C6=2", "R1C0=9", "R4C6=5", "R8C2=4", "R5C7=9", "R0C1=6", "R5C0=4", "R3C7=8", "R0C2=7", "R3C1=2", "R2C3=8", "R4C1=8", "R8C1=3", "R0C0=2", "R7C8=8", "R0C7=1", "R7C4=9", "R3C5=9", "R4C7=7", "R3C6=1", "R3C8=4", "R6C2=1", "R6C7=6", "R6C4=4", "R5C4=6", "R7C1=5", "R1C7=4", "R8C7=5", "R4C5=3", "R6C3=3", "R5C6=3", "R8C5=2", "R7C3=7", "R3C2=6", "R2C1=4", "R1C8=5", "R2C7=2", "R7C0=6", "R1C2=8", "R0C8=3", "R3C4=7", "R0C3=9", "R0C4=5" ]
102
950000080708409056004700002010620005580300600300004090003000020097508100060130400
951263784728419356634785912419627835582391647376854291143976528297548163865132479
backtracking
[ "R2C7=1", "R0C8=4", "R5C6=2", "R1C1=2", "R6C0=1", "R4C5=1", "R0C5=3", "R7C0=2", "R1C6=3", "R7C8=3", "R8C5=2", "R4C2=2", "R2C5=5", "R3C6=8", "R5C4=5", "R5C2=6", "R7C7=6", "R5C3=8", "R2C0=6", "R6C6=5", "R6C8=8", "R3C7=3", "R7C4=4", "R0C4=6", "R8C0=8", "R4C7=4", "R3C0=4", "R6C3=9", "R0C6=7", "R4C8=7", "R8C8=9", "R1C4=1", "R0C2=1", "R8C2=5", "R6C5=6", "R2C1=3", "R3C5=7", "R3C2=9", "R5C1=7", "R6C1=4", "R8C7=7", "R6C4=7", "R2C4=8", "R0C3=2", "R2C6=9", "R5C8=1", "R4C4=9" ]
103
000600079601003240907052003200436700010008000008901502300000928060040100059000030
523614879681793245947852613295436781716528394438971562374165928862349157159287436
constraint_programming
[ "R4C4=2", "R1C1=8", "R4C2=6", "R7C0=8", "R7C2=2", "R5C1=3", "R0C4=1", "R3C1=9", "R6C3=1", "R1C8=5", "R5C0=4", "R5C4=7", "R4C6=3", "R2C3=8", "R8C5=7", "R1C3=7", "R2C1=4", "R0C0=5", "R4C3=5", "R5C7=6", "R6C4=6", "R8C4=8", "R3C2=5", "R0C2=3", "R8C3=2", "R3C7=8", "R8C0=1", "R4C8=4", "R1C4=9", "R2C6=6", "R3C8=1", "R0C1=2", "R0C5=4", "R7C5=9", "R2C7=1", "R4C0=7", "R6C5=5", "R0C6=8", "R6C2=4", "R7C8=7", "R8C8=6", "R8C6=4", "R7C3=3", "R6C1=7", "R7C7=5", "R4C7=9" ]
104
905032000008000006300004100080096050000108072104300900491700020020900780006043500
915632847748519236362874195287496351639158472154327968491785623523961784876243519
backtracking
[ "R6C6=6", "R2C4=7", "R1C3=5", "R2C3=8", "R3C2=7", "R4C4=5", "R6C5=5", "R8C3=2", "R7C8=4", "R8C8=9", "R4C2=9", "R5C8=8", "R5C5=7", "R3C8=1", "R0C3=6", "R2C1=6", "R1C4=1", "R1C7=3", "R2C7=9", "R0C1=1", "R8C1=7", "R4C6=4", "R1C5=9", "R7C2=3", "R7C0=5", "R4C1=3", "R1C1=4", "R0C7=4", "R6C8=3", "R1C6=2", "R6C4=8", "R8C7=1", "R8C0=8", "R5C7=6", "R4C0=6", "R3C3=4", "R7C5=1", "R0C8=7", "R1C0=7", "R3C6=3", "R2C8=5", "R2C2=2", "R5C1=5", "R7C4=6", "R5C4=2", "R3C0=2", "R0C6=8" ]
105
500480030610020009030600078790300160460057000002060400800100005000072390009004000
527489631618723549934615278795348162461257983382961457843196725156872394279534816
backtracking
[ "R1C2=8", "R5C7=5", "R2C5=5", "R4C3=2", "R0C5=9", "R6C1=4", "R1C6=5", "R4C2=1", "R3C2=5", "R0C8=1", "R4C7=8", "R3C4=4", "R2C2=4", "R7C1=5", "R6C5=6", "R5C1=8", "R8C8=6", "R8C7=1", "R8C4=3", "R7C3=8", "R8C0=2", "R7C0=1", "R1C3=7", "R0C6=6", "R6C4=9", "R6C7=2", "R5C3=9", "R1C7=4", "R4C6=9", "R7C8=4", "R5C0=3", "R6C2=3", "R2C0=9", "R0C2=7", "R4C8=3", "R8C1=7", "R3C5=8", "R0C1=2", "R6C6=7", "R2C4=1", "R8C3=5", "R5C8=7", "R8C6=8", "R5C5=1", "R1C5=3", "R2C6=2", "R3C8=2", "R7C2=6" ]
106
809400003100800700040075100007003069620000040030508200401002030203000508060089001
879421653152836794346975182517243869628197345934568217481752936293614578765389421
backtracking
[ "R0C1=7", "R0C7=5", "R2C7=8", "R4C3=1", "R1C4=3", "R5C0=9", "R3C3=2", "R7C1=9", "R2C8=2", "R1C2=2", "R3C1=1", "R0C4=2", "R0C6=6", "R2C0=3", "R8C2=5", "R4C2=8", "R3C4=4", "R5C2=4", "R1C5=6", "R7C7=7", "R3C0=5", "R5C4=6", "R2C3=9", "R6C6=9", "R6C8=6", "R6C3=7", "R7C3=6", "R5C7=1", "R8C3=3", "R8C6=4", "R6C4=5", "R5C8=7", "R2C2=6", "R1C8=4", "R8C7=2", "R7C4=1", "R1C1=5", "R7C5=4", "R4C8=5", "R4C6=3", "R4C5=7", "R8C0=7", "R3C6=8", "R1C7=9", "R4C4=9", "R6C1=8", "R0C5=1" ]
107
201008065000403790000020001790004200060701083005300000050200648040057300309800050
231978465586413792974625831793584216462791583815362974157239648648157329329846157
constraint_programming
[ "R2C2=4", "R5C0=8", "R3C3=5", "R8C4=4", "R2C7=3", "R2C0=9", "R6C2=7", "R4C0=4", "R5C5=2", "R4C6=5", "R4C4=9", "R0C4=7", "R7C3=1", "R7C8=9", "R7C2=8", "R6C4=3", "R2C6=8", "R1C0=5", "R7C7=2", "R3C7=1", "R5C7=7", "R1C4=1", "R6C5=9", "R8C8=7", "R5C1=1", "R0C3=9", "R1C1=8", "R8C5=6", "R1C8=2", "R1C2=6", "R6C0=1", "R7C0=6", "R0C6=4", "R3C4=8", "R8C6=1", "R5C8=4", "R2C1=7", "R2C3=6", "R4C2=2", "R0C1=3", "R3C2=3", "R5C6=9", "R3C8=6", "R5C4=6", "R8C1=2", "R2C5=5" ]
108
700900001080020060040805000090600500000179000200000370802051097064790205005008043
723946851581327964649815732497632518358179426216584379832451697164793285975268143
backtracking
[ "R6C6=6", "R8C0=9", "R2C2=9", "R1C5=7", "R3C5=2", "R5C5=4", "R2C8=2", "R1C2=1", "R3C0=4", "R5C4=8", "R0C2=3", "R1C0=5", "R0C1=2", "R2C4=1", "R5C3=5", "R8C3=2", "R6C3=4", "R4C7=2", "R3C2=7", "R7C5=3", "R5C1=1", "R4C2=8", "R4C0=3", "R1C3=3", "R3C8=8", "R5C8=9", "R8C6=1", "R7C7=8", "R4C8=6", "R4C6=4", "R2C6=7", "R5C2=6", "R2C7=3", "R6C1=3", "R4C1=5", "R3C7=1", "R8C1=7", "R0C5=6", "R1C8=4", "R2C0=6", "R1C6=9", "R0C7=5", "R0C6=8", "R0C4=4", "R3C4=3", "R8C4=6", "R7C0=1" ]
109
001900070000060320850004060900028005400070900003106807006057003070000201209813000
631982574794561328852734169917428635468375912523196847186257493375649281249813756
backtracking
[ "R2C2=2", "R3C2=7", "R4C8=2", "R2C4=3", "R5C4=9", "R6C7=9", "R0C4=8", "R0C6=5", "R4C7=1", "R6C1=8", "R3C3=4", "R2C6=1", "R4C3=3", "R3C1=1", "R5C1=2", "R3C7=3", "R1C2=4", "R4C2=8", "R4C1=6", "R2C8=9", "R7C4=4", "R3C6=6", "R8C1=4", "R1C3=5", "R1C5=1", "R5C0=5", "R7C5=9", "R7C0=3", "R1C0=7", "R6C3=2", "R8C8=6", "R8C6=7", "R7C2=5", "R7C3=6", "R0C1=3", "R8C7=5", "R6C6=4", "R0C5=2", "R1C1=9", "R4C5=5", "R5C7=4", "R1C8=8", "R7C7=8", "R2C3=7", "R0C8=4", "R0C0=6", "R6C0=1" ]
110
032064000900500007400901306000020050800710209004308000000090500507600018060280000
732864195916532487485971326671429853853716249294358671348197562527643918169285734
backtracking
[ "R5C7=7", "R1C7=8", "R7C4=4", "R4C5=6", "R0C7=9", "R8C6=7", "R6C0=3", "R8C7=3", "R0C3=8", "R5C8=1", "R2C2=5", "R5C6=6", "R3C8=3", "R8C5=5", "R3C6=8", "R6C5=7", "R5C4=5", "R0C8=5", "R8C8=4", "R2C1=8", "R0C0=7", "R3C1=7", "R1C6=4", "R3C0=6", "R1C5=2", "R1C1=1", "R2C7=2", "R5C1=9", "R1C4=3", "R4C7=4", "R4C2=3", "R6C8=2", "R5C0=2", "R6C3=1", "R4C1=5", "R6C7=6", "R7C1=2", "R6C1=4", "R3C2=1", "R3C5=9", "R8C2=9", "R0C6=1", "R6C2=8", "R1C2=6", "R3C3=4", "R2C4=7", "R8C0=1", "R7C5=3", "R7C6=9" ]
111
500301400081570000000000002300100009002090305004720000046085020090400610870000090
529361487481572936637849152368154279712698345954723861146985723295437618873216594
constraint_programming
[ "R3C6=2", "R5C6=8", "R3C5=4", "R4C0=7", "R4C5=8", "R6C8=3", "R7C5=7", "R4C3=6", "R2C5=9", "R2C0=6", "R8C5=6", "R1C0=4", "R5C1=5", "R5C0=9", "R3C7=7", "R5C7=6", "R2C7=5", "R0C8=7", "R8C6=5", "R6C6=7", "R1C6=9", "R0C2=9", "R2C2=7", "R0C4=6", "R6C3=9", "R3C2=8", "R5C5=3", "R2C1=3", "R7C2=5", "R2C3=8", "R1C7=3", "R5C8=1", "R8C3=2", "R1C5=2", "R3C4=5", "R7C8=8", "R8C4=1", "R1C8=6", "R3C1=6", "R7C4=3", "R7C0=2", "R4C7=4", "R6C0=1", "R2C4=4", "R8C2=3", "R8C8=4", "R0C7=8", "R2C6=1", "R4C1=1", "R0C1=2" ]
112
300590068080000290502010400410050800050326000009000070034000080801004600620007301
347592168186473295592618437413759826758326914269841573934165782871234659625987341
backtracking
[ "R1C2=6", "R5C1=6", "R2C5=8", "R4C7=1", "R5C5=1", "R5C6=5", "R4C8=4", "R3C5=9", "R3C8=6", "R5C0=2", "R0C2=7", "R3C2=3", "R0C5=2", "R1C4=7", "R5C3=8", "R6C0=9", "R8C7=4", "R7C1=7", "R6C8=2", "R7C3=2", "R0C1=4", "R1C8=5", "R2C1=9", "R7C4=3", "R6C4=6", "R2C7=3", "R4C6=9", "R5C4=4", "R8C3=9", "R4C2=8", "R8C2=5", "R6C5=5", "R2C8=7", "R8C4=8", "R4C0=7", "R7C8=9", "R6C3=1", "R1C0=1", "R5C8=3", "R3C3=7", "R3C7=2", "R0C6=1", "R7C7=5", "R1C3=4", "R2C3=6", "R1C5=3", "R6C6=7" ]
113
000004001600000230350100079015708600900030780008090102090002054000079800400510020
879324561641957238352186479215748693964231785738695142197862354523479816486513927
backtracking
[ "R0C2=9", "R0C7=6", "R5C0=7", "R3C7=9", "R2C2=2", "R6C0=1", "R1C3=9", "R7C3=4", "R2C4=8", "R2C5=6", "R1C8=8", "R0C1=7", "R0C4=2", "R4C1=6", "R6C4=6", "R7C7=1", "R8C6=9", "R8C8=7", "R4C5=1", "R3C8=3", "R6C6=3", "R1C4=5", "R0C0=8", "R7C8=6", "R2C6=4", "R6C2=7", "R7C2=3", "R0C3=3", "R4C3=2", "R8C5=3", "R4C8=5", "R0C6=5", "R7C0=5", "R6C3=8", "R4C2=4", "R1C5=7", "R3C0=2", "R7C1=2", "R5C1=3", "R5C7=4", "R1C2=1", "R1C1=4", "R5C5=5", "R8C1=8", "R3C4=4", "R5C3=6", "R8C2=6" ]
114
006030010300605000070029000020300984794000300000001005530008200069047000041200590
956734812312685479478129653125376984794852361683491725537918246269547138841263597
backtracking
[ "R2C7=5", "R2C0=4", "R7C0=2", "R1C7=7", "R6C2=7", "R4C7=6", "R5C1=8", "R1C2=2", "R1C4=8", "R5C7=2", "R1C8=9", "R3C4=7", "R5C0=6", "R0C8=2", "R2C8=3", "R3C2=5", "R8C8=7", "R4C8=1", "R6C8=6", "R6C7=4", "R5C3=4", "R7C7=3", "R4C4=5", "R0C6=8", "R8C4=6", "R7C8=8", "R2C2=8", "R1C1=1", "R0C5=4", "R5C2=3", "R7C6=1", "R4C3=8", "R8C5=3", "R2C3=1", "R8C0=8", "R5C4=9", "R3C0=1", "R0C1=5", "R4C5=2", "R2C6=6", "R5C6=7", "R7C3=5", "R3C5=6", "R0C3=7", "R1C6=4", "R6C4=1", "R6C3=9", "R0C0=9" ]
115
059000201000800090003107004290000305000080460160205080500003100400060708037400020
859346271741852693623197854298674315375981462164235987586723149412569738937418526
backtracking
[ "R4C1=7", "R7C5=9", "R3C3=6", "R5C6=9", "R8C0=9", "R2C1=2", "R1C0=7", "R2C7=5", "R4C2=5", "R4C0=3", "R1C6=6", "R6C8=9", "R1C5=2", "R7C7=3", "R0C4=4", "R8C4=1", "R7C2=2", "R4C8=2", "R8C8=6", "R1C2=1", "R0C5=6", "R6C7=4", "R3C7=1", "R0C3=3", "R5C8=7", "R6C3=7", "R5C4=3", "R7C1=1", "R0C7=7", "R1C1=4", "R6C4=2", "R4C5=1", "R5C2=4", "R6C1=8", "R3C5=4", "R7C3=5", "R1C8=3", "R1C4=5", "R0C0=8", "R3C2=8", "R3C4=7", "R4C3=9", "R2C0=6", "R8C6=5", "R8C5=8", "R6C2=6", "R2C6=8", "R2C4=9" ]
116
835020041020000039040810000086900000201004700900000286000356007090040300500007010
835729641127465839649813572386972154251684793974531286418356927792148365563297418
backtracking
[ "R6C7=2", "R5C2=4", "R5C5=1", "R1C6=8", "R8C3=2", "R3C7=5", "R3C6=1", "R6C1=1", "R4C8=3", "R5C1=7", "R3C5=2", "R7C2=2", "R1C4=6", "R7C3=1", "R0C6=6", "R3C0=3", "R6C0=4", "R2C2=9", "R4C3=6", "R2C0=6", "R1C2=7", "R5C4=3", "R6C6=9", "R7C7=6", "R7C8=5", "R2C8=2", "R8C8=8", "R4C7=9", "R1C3=4", "R0C3=7", "R2C7=7", "R8C4=9", "R1C5=5", "R6C2=8", "R3C8=4", "R0C5=9", "R2C6=5", "R3C4=7", "R8C1=6", "R5C3=5", "R7C5=8", "R7C0=7", "R8C6=4", "R4C1=5", "R2C5=3", "R1C0=1", "R8C2=3", "R4C4=8" ]
117
050007460009032007002406300760080003300091870400000015010200000506170008084005090
853917462649832157172456389761584923325691874498723615917248536536179248284365791
constraint_programming
[ "R0C2=3", "R5C2=8", "R2C4=5", "R5C1=9", "R5C4=2", "R1C1=4", "R8C8=1", "R6C8=6", "R8C4=6", "R4C3=6", "R3C7=2", "R2C1=7", "R4C2=5", "R3C2=1", "R1C7=5", "R0C0=8", "R1C0=6", "R0C3=9", "R6C0=9", "R8C3=3", "R1C3=8", "R4C8=4", "R2C8=9", "R5C3=7", "R2C7=8", "R3C3=5", "R0C8=2", "R3C6=9", "R3C5=4", "R6C2=7", "R8C0=2", "R7C7=4", "R7C1=3", "R5C5=3", "R4C1=2", "R7C6=2", "R6C6=5", "R7C5=9", "R6C7=3", "R6C5=8", "R6C4=4", "R8C6=7", "R0C4=1", "R1C6=1", "R2C0=1", "R5C6=6" ]
118
004930018805000000090040070302057000000100064710890005009060000431500000060489032
674935218825716943193248576342657891958123764716894325289361457431572689567489132
constraint_programming
[ "R4C6=7", "R5C6=3", "R8C0=5", "R6C8=7", "R4C2=8", "R2C5=8", "R7C5=2", "R8C6=1", "R7C8=9", "R1C1=2", "R2C6=5", "R1C7=4", "R4C1=5", "R2C0=1", "R5C5=4", "R2C3=2", "R3C1=4", "R6C0=2", "R5C7=2", "R4C0=9", "R3C8=1", "R1C3=7", "R1C6=9", "R1C8=3", "R6C3=3", "R3C3=6", "R1C5=6", "R7C4=7", "R6C7=5", "R6C1=8", "R0C1=7", "R8C2=7", "R2C2=3", "R0C5=5", "R7C6=6", "R4C4=2", "R6C5=1", "R5C2=6", "R4C5=3", "R3C7=9", "R6C6=4", "R1C4=1", "R3C6=8", "R0C6=2", "R7C7=8", "R0C0=6", "R2C8=6" ]
119
063204105040003092000900080530090800100060007004007300310870060270105000008002050
963284175841753692752916483537491826129368547684527319315879264276145938498632751
constraint_programming
[ "R4C3=3", "R3C7=2", "R8C0=4", "R6C5=9", "R3C2=7", "R2C2=2", "R5C4=2", "R1C3=7", "R1C6=6", "R2C0=7", "R7C4=4", "R0C0=9", "R2C6=4", "R8C6=7", "R5C1=8", "R8C1=9", "R5C0=6", "R4C5=8", "R7C6=9", "R4C1=2", "R6C2=5", "R2C8=3", "R5C8=9", "R5C3=5", "R7C7=3", "R1C0=8", "R3C5=1", "R8C8=1", "R0C7=7", "R6C8=4", "R8C4=3", "R4C7=4", "R8C3=6", "R4C2=9", "R3C3=4", "R2C4=1", "R6C6=2", "R2C1=5", "R1C4=5", "R2C5=6", "R5C7=1", "R3C8=6", "R1C2=1", "R7C8=8", "R7C2=6", "R4C6=5", "R0C4=8" ]
120
900860004020005000850793000570080000091407020000000350080600139006000842000230060
913862574627145983854793216572386491391457628468921357285674139736519842149238765
backtracking
[ "R1C3=1", "R6C2=5", "R7C1=3", "R8C1=4", "R0C6=5", "R7C5=9", "R5C5=1", "R1C6=9", "R3C2=2", "R8C2=9", "R3C3=3", "R0C1=1", "R3C8=1", "R2C2=4", "R2C6=2", "R4C0=3", "R5C4=2", "R8C5=8", "R4C6=6", "R5C1=6", "R8C0=1", "R1C2=7", "R2C8=6", "R5C0=4", "R5C3=9", "R5C8=7", "R8C8=5", "R8C6=7", "R4C8=8", "R7C3=5", "R2C7=1", "R3C5=6", "R1C0=6", "R0C2=3", "R5C2=8", "R1C4=4", "R0C5=2", "R7C4=1", "R1C7=8", "R3C7=9", "R6C5=4", "R0C7=7", "R4C4=5", "R6C0=2", "R3C6=4", "R6C4=7", "R7C0=7", "R1C8=3" ]
121
900260000207008005015090400700006000050010003080934071106000000320000087070420039
943265718267148395815397426731586942459712863682934571196873254324659187578421639
backtracking
[ "R1C7=9", "R4C3=7", "R5C6=5", "R7C6=1", "R5C2=2", "R3C7=4", "R3C6=9", "R7C5=9", "R7C4=5", "R0C1=4", "R5C0=6", "R6C6=2", "R2C3=3", "R7C3=6", "R3C3=5", "R8C5=1", "R4C2=9", "R2C5=7", "R4C7=6", "R2C0=8", "R2C7=2", "R7C2=4", "R6C1=9", "R1C4=4", "R0C2=3", "R3C1=3", "R6C7=5", "R2C8=6", "R0C7=1", "R4C6=8", "R4C5=2", "R0C8=8", "R6C3=8", "R3C4=8", "R8C0=5", "R1C1=6", "R3C2=1", "R6C8=4", "R6C4=7", "R8C2=8", "R8C6=6", "R1C3=1", "R0C6=7", "R3C8=2", "R0C5=5", "R4C0=4", "R6C5=3", "R1C6=3" ]
122
001000004803200009020406307016003090700001800084520700400090500050060020009780041
671938254843257169925416387516873492792641835384529716468192573157364928239785641
constraint_programming
[ "R5C8=6", "R6C3=1", "R8C5=5", "R2C2=5", "R7C8=8", "R3C3=8", "R5C0=3", "R1C7=6", "R6C1=6", "R4C4=4", "R0C3=9", "R0C6=2", "R7C6=9", "R5C7=1", "R3C0=5", "R3C4=7", "R4C7=3", "R7C5=4", "R1C4=5", "R8C0=2", "R7C0=1", "R0C0=6", "R1C5=7", "R6C7=7", "R2C0=9", "R1C6=1", "R4C3=6", "R0C4=3", "R3C8=2", "R0C5=8", "R5C5=9", "R8C1=3", "R3C6=4", "R4C8=5", "R1C1=4", "R4C1=9", "R0C1=7", "R7C3=3", "R8C6=6", "R6C5=2", "R7C2=7", "R6C2=8", "R4C2=2", "R2C7=8", "R2C4=1", "R0C7=5", "R6C8=3" ]
123
000079060002005703180020040029601000700250018040000300000003091390400607605080000
453879162962145783187326549829631475736254918541798326274563891398412657615987234
backtracking
[ "R1C0=9", "R5C3=7", "R8C6=2", "R5C8=6", "R1C3=1", "R0C6=1", "R8C7=3", "R1C1=6", "R2C5=6", "R6C1=7", "R3C0=8", "R4C1=3", "R6C2=4", "R6C0=2", "R4C5=4", "R6C4=6", "R2C6=5", "R4C6=9", "R5C7=2", "R5C0=5", "R0C8=2", "R1C7=8", "R0C1=5", "R8C3=9", "R6C3=5", "R3C6=4", "R8C5=7", "R3C8=5", "R6C6=8", "R2C2=7", "R7C5=2", "R8C8=4", "R0C0=4", "R2C3=3", "R8C1=1", "R5C4=9", "R5C5=8", "R4C2=6", "R7C2=8", "R7C4=1", "R3C7=7", "R5C2=1", "R0C3=8", "R2C8=9", "R3C4=3", "R1C4=4", "R0C2=3", "R7C7=5" ]
124
500700029600015840080940003002000016904000050760001200830207090090080072001030000
543768129629315847187942563352874916914623758768591234836257491495186372271439685
backtracking
[ "R4C5=3", "R4C1=1", "R5C3=5", "R6C6=4", "R5C4=9", "R3C0=3", "R2C2=7", "R4C3=6", "R3C3=8", "R4C6=7", "R0C1=4", "R1C1=2", "R8C6=6", "R1C8=7", "R8C8=5", "R6C4=5", "R6C2=6", "R8C1=7", "R0C6=1", "R7C2=5", "R7C5=6", "R4C4=2", "R1C2=9", "R0C2=3", "R8C5=9", "R0C5=8", "R1C3=3", "R3C6=9", "R3C4=7", "R8C3=4", "R2C0=1", "R5C7=3", "R4C8=8", "R7C0=4", "R5C8=4", "R6C8=1", "R2C7=6", "R0C4=6", "R2C6=5", "R2C5=2", "R7C6=3", "R7C3=1", "R8C7=8", "R3C1=5", "R8C0=2", "R3C5=4", "R5C2=8" ]
125
080290600600400039300750021070000008938040050002009007000600740050008103016020005
185293674627481539349756821471562398938147256562839417893615742254978163716324985
backtracking
[ "R1C2=7", "R2C5=6", "R8C5=4", "R0C2=5", "R7C0=2", "R7C3=9", "R2C1=4", "R6C1=9", "R5C1=6", "R7C7=6", "R3C3=5", "R1C4=8", "R5C0=5", "R3C4=6", "R3C2=1", "R0C5=3", "R7C4=7", "R6C0=8", "R0C0=1", "R6C8=2", "R0C8=4", "R3C7=9", "R0C7=7", "R4C8=6", "R8C0=7", "R4C6=2", "R8C6=9", "R6C4=1", "R7C2=4", "R8C3=3", "R3C6=3", "R3C5=2", "R3C0=4", "R1C6=5", "R5C7=1", "R6C2=3", "R2C2=9", "R6C5=5", "R5C4=3", "R2C6=8", "R5C6=4", "R1C1=2", "R4C5=7", "R1C5=1", "R5C3=8", "R4C3=1", "R8C7=8" ]
126
609203580570000004040010090800006400000300050000079103021090700030480905000702600
619243587572968314348517296893156472167324859254879163421695738736481925985732641
backtracking
[ "R4C1=6", "R3C7=7", "R0C4=4", "R6C7=3", "R8C8=1", "R2C2=8", "R1C3=9", "R2C3=5", "R6C3=6", "R1C5=8", "R3C8=2", "R4C2=7", "R7C2=6", "R5C7=6", "R8C1=8", "R4C8=9", "R7C5=1", "R3C3=1", "R5C2=4", "R3C2=3", "R0C1=1", "R8C2=5", "R5C3=8", "R7C7=2", "R4C0=1", "R8C4=3", "R1C6=3", "R4C6=8", "R6C5=5", "R8C0=9", "R1C2=2", "R6C0=4", "R7C0=7", "R1C4=6", "R5C0=2", "R4C4=2", "R2C0=3", "R6C8=8", "R1C7=1", "R2C5=7", "R3C4=5", "R3C1=9", "R4C5=4", "R0C8=7", "R8C7=4", "R2C6=2", "R5C1=5", "R2C8=6" ]
127
070000000950002800010890034007000198400369500002070600008036057000021000065407010
874613925953742861216895734637254198481369572592178643128936457749521386365487219
backtracking
[ "R3C4=5", "R8C8=9", "R7C0=7", "R1C2=3", "R7C1=4", "R6C1=2", "R7C8=6", "R3C3=2", "R1C7=6", "R4C7=7", "R3C1=3", "R4C1=8", "R6C3=9", "R2C5=5", "R0C4=1", "R5C1=9", "R1C8=1", "R2C6=7", "R4C8=2", "R8C6=2", "R3C0=6", "R0C6=9", "R6C6=4", "R5C3=1", "R4C2=1", "R8C4=8", "R2C0=2", "R0C2=4", "R3C5=4", "R5C5=8", "R2C2=6", "R0C0=8", "R5C0=5", "R5C8=3", "R1C3=7", "R7C6=3", "R0C8=5", "R5C7=4", "R6C0=1", "R0C7=2", "R0C5=3", "R7C7=8", "R8C0=3", "R1C4=4", "R0C3=6", "R7C2=9", "R7C3=5" ]
128
009586400027900500006004100940301020003065090070000800061200007500630080000009350
139586472427913568856724139948371625213865794675492813361258947594637281782149356
backtracking
[ "R5C4=9", "R7C6=2", "R8C3=1", "R8C1=8", "R2C0=8", "R6C0=3", "R1C7=6", "R1C4=1", "R0C8=2", "R4C1=1", "R3C8=5", "R5C8=3", "R3C2=8", "R6C5=8", "R0C0=1", "R5C0=6", "R7C8=1", "R5C7=1", "R0C7=7", "R8C4=4", "R3C4=7", "R2C7=3", "R7C2=4", "R6C6=9", "R1C0=4", "R3C6=6", "R2C3=7", "R5C3=4", "R2C4=2", "R8C0=7", "R4C6=7", "R2C8=9", "R5C5=2", "R2C1=5", "R8C2=2", "R1C5=3", "R1C8=8", "R6C4=5", "R7C5=7", "R5C2=5", "R0C1=3", "R7C1=9", "R4C0=2", "R4C3=8", "R8C8=6", "R4C8=4", "R6C7=4" ]
129
008602000001700430470005000000451003302000008060000970200094610600507082713000090
938642751521789436476135829897451263352976148164823975285394617649517382713268594
backtracking
[ "R6C1=8", "R5C3=8", "R1C5=9", "R0C6=7", "R4C1=5", "R4C6=1", "R4C4=7", "R6C3=3", "R5C4=2", "R1C0=5", "R2C6=8", "R8C8=4", "R2C3=1", "R1C8=6", "R4C7=4", "R5C2=4", "R8C6=5", "R7C4=1", "R1C1=2", "R1C4=8", "R2C2=6", "R6C2=5", "R3C6=2", "R4C5=6", "R2C7=2", "R0C7=5", "R5C5=3", "R8C5=8", "R3C1=9", "R2C8=9", "R5C8=5", "R3C7=6", "R0C8=1", "R7C2=9", "R5C0=1", "R2C4=3", "R3C0=8", "R0C0=9", "R8C4=6", "R3C2=7", "R0C1=3", "R0C4=4", "R8C3=2", "R4C3=9", "R7C6=3", "R7C1=4", "R6C8=7" ]
130
005960070400031020106705008900408060002013800058000000200096007007020615003000004
385962471479831526126745938931458762742613859658279143214596387897324615563187294
backtracking
[ "R5C8=3", "R4C0=7", "R1C3=8", "R8C0=5", "R0C8=1", "R2C6=9", "R2C1=2", "R6C7=8", "R8C6=2", "R5C0=6", "R6C6=3", "R3C2=1", "R8C3=1", "R4C7=5", "R0C0=3", "R2C7=3", "R6C2=4", "R5C7=4", "R5C5=9", "R5C3=2", "R1C2=9", "R1C1=7", "R7C5=4", "R6C3=5", "R0C6=4", "R4C1=4", "R8C5=7", "R6C1=1", "R7C0=8", "R3C6=7", "R8C1=6", "R4C8=9", "R0C1=8", "R8C7=9", "R3C8=2", "R1C6=5", "R8C4=8", "R3C1=3", "R7C1=9", "R3C4=5", "R7C3=3", "R5C4=7", "R5C6=1", "R1C8=6", "R4C3=6", "R2C4=4", "R0C5=2" ]
131
780010300000960500005002640007300064401000002800001730092750008350000970100604000
786415329243967581915832647527389164431576892869241735692753418354128976178694253
backtracking
[ "R2C0=9", "R1C0=2", "R4C6=8", "R5C8=5", "R3C0=5", "R8C7=5", "R4C3=5", "R0C2=6", "R7C4=2", "R3C5=9", "R7C8=6", "R3C6=1", "R8C6=2", "R5C4=4", "R3C1=2", "R0C3=4", "R6C7=1", "R1C1=4", "R2C8=7", "R0C7=2", "R7C2=4", "R1C2=3", "R0C5=5", "R4C7=9", "R8C8=3", "R7C5=8", "R1C5=7", "R6C0=6", "R4C4=7", "R2C3=8", "R8C1=7", "R8C2=8", "R2C4=3", "R2C1=1", "R6C5=3", "R5C3=2", "R5C1=6", "R4C1=3", "R8C4=9", "R0C8=9", "R5C2=9", "R1C7=8", "R6C6=4", "R3C4=8", "R4C5=6", "R1C8=1", "R7C3=1" ]
132
050107800041000000690040503300802090904015030760030105000000749170006000008050020
253197864841563972697248513315872496984615237762934185526381749179426358438759621
backtracking
[ "R4C1=8", "R8C8=1", "R1C3=5", "R3C4=7", "R1C7=7", "R4C3=6", "R8C5=9", "R6C2=6", "R4C6=2", "R4C8=7", "R8C0=4", "R2C2=7", "R2C7=1", "R1C0=8", "R7C2=9", "R5C2=2", "R5C7=8", "R8C1=3", "R7C3=4", "R2C5=8", "R0C0=2", "R6C1=2", "R7C7=5", "R0C8=4", "R7C6=3", "R3C6=4", "R3C8=6", "R2C3=2", "R8C3=7", "R3C1=1", "R1C8=2", "R8C6=6", "R5C5=4", "R5C3=9", "R0C4=9", "R0C7=6", "R1C4=6", "R3C2=5", "R6C3=3", "R7C4=2", "R6C4=8", "R6C0=5", "R1C5=3", "R6C5=1", "R7C8=8", "R0C2=3", "R1C6=9" ]
133
370401002000087500001593406080100009016000300700920010009050640250008090400300007
375461982694287531821593476582134769916875324743926815139752648257648193468319257
backtracking
[ "R6C5=2", "R8C1=6", "R1C0=6", "R1C3=2", "R0C4=6", "R4C4=7", "R1C7=3", "R2C7=7", "R5C5=6", "R4C3=8", "R4C5=5", "R5C1=4", "R8C6=2", "R3C0=5", "R6C8=8", "R1C2=4", "R0C7=8", "R8C5=9", "R7C3=6", "R8C4=1", "R3C4=3", "R4C7=2", "R4C8=4", "R7C8=3", "R6C1=3", "R4C0=9", "R7C6=1", "R5C6=8", "R0C6=9", "R1C8=1", "R3C2=2", "R6C0=1", "R6C3=7", "R2C0=8", "R7C4=4", "R1C1=9", "R8C2=8", "R2C1=2", "R3C5=4", "R3C6=7", "R0C2=5", "R5C2=3", "R5C8=5", "R3C7=6", "R7C2=7", "R8C7=5" ]
134
006439008005000200090580076000245100018007000300000907902000730087600450040901002
726439518835716294491582376679245183218397645354168927962854731187623459543971862
constraint_programming
[ "R6C8=1", "R6C4=5", "R8C4=7", "R6C5=4", "R2C2=1", "R5C5=8", "R1C5=6", "R7C4=2", "R7C0=1", "R0C0=7", "R4C7=4", "R4C4=9", "R5C2=4", "R1C1=3", "R1C7=9", "R0C1=2", "R6C3=8", "R5C7=2", "R4C0=2", "R3C8=3", "R5C4=6", "R6C1=6", "R4C8=5", "R3C1=7", "R8C2=3", "R1C8=4", "R1C3=7", "R8C6=8", "R8C0=5", "R4C6=6", "R5C1=5", "R0C7=1", "R1C4=1", "R1C0=8", "R2C0=4", "R7C5=3", "R3C2=9", "R3C0=6", "R8C7=6", "R3C7=8", "R5C3=1", "R0C6=5", "R7C8=9", "R2C5=2", "R2C6=3", "R4C3=3" ]
135
820090304005020091070035800600007028904060000007009005030001000090240076006050210
821796354365824791479135862653417928984562137217389645532671489198243576746958213
backtracking
[ "R0C7=5", "R5C4=8", "R5C7=4", "R5C6=6", "R0C3=7", "R3C6=9", "R3C3=4", "R0C2=1", "R8C5=8", "R7C6=5", "R4C3=5", "R1C6=7", "R6C0=5", "R1C3=8", "R6C3=6", "R4C1=8", "R4C8=7", "R2C3=1", "R3C1=5", "R3C4=1", "R4C7=3", "R1C1=6", "R8C1=4", "R5C0=2", "R5C3=3", "R6C2=2", "R2C2=9", "R7C0=1", "R4C6=1", "R8C3=9", "R1C5=4", "R6C7=8", "R4C5=2", "R3C2=3", "R6C4=7", "R1C0=3", "R2C7=6", "R8C0=7", "R5C1=1", "R2C8=2", "R6C6=4", "R7C2=8", "R2C0=4", "R8C8=3", "R6C8=9", "R0C5=6", "R7C5=3" ]
136
029000580600320407100800000000060301071004060000230090004650009783010005590000072
429176583658329417137845926942768351371594268865231794214657839783912645596483172
backtracking
[ "R2C7=2", "R3C3=7", "R3C0=9", "R0C4=7", "R4C8=8", "R2C6=9", "R3C7=5", "R3C2=2", "R8C4=8", "R4C4=9", "R4C6=2", "R2C2=7", "R7C5=2", "R7C7=4", "R1C5=9", "R5C2=5", "R6C0=2", "R6C6=8", "R2C4=4", "R0C3=1", "R1C1=5", "R2C5=5", "R8C3=4", "R8C5=3", "R4C3=5", "R2C1=3", "R7C6=6", "R4C0=3", "R1C2=8", "R7C3=9", "R6C5=7", "R3C5=8", "R5C8=4", "R0C0=4", "R1C7=1", "R3C1=4", "R0C5=6", "R0C8=3", "R5C0=8", "R8C2=6", "R5C6=7", "R6C1=1", "R5C5=1", "R8C6=1", "R6C7=3", "R2C8=6", "R5C1=6" ]
137
000000200007456000301007000980010063000305940402700080008000007600091520204600890
549138276827456319361927458985214763716385942432769185198542637673891524254673891
backtracking
[ "R7C3=8", "R1C6=3", "R0C2=9", "R1C1=2", "R6C4=4", "R8C8=1", "R4C8=2", "R0C3=1", "R0C4=3", "R0C1=4", "R6C1=9", "R1C7=1", "R6C0=1", "R2C8=8", "R4C4=8", "R8C4=7", "R6C6=6", "R6C3=5", "R5C8=5", "R3C5=4", "R6C7=3", "R2C3=9", "R0C5=8", "R7C8=4", "R8C1=5", "R2C7=5", "R1C0=8", "R5C5=9", "R0C0=5", "R1C8=9", "R6C5=2", "R0C7=7", "R5C4=6", "R3C3=2", "R2C4=2", "R3C2=5", "R0C8=6", "R4C1=1", "R3C6=7", "R4C0=7", "R8C5=3", "R5C6=1", "R7C2=3", "R2C1=6", "R4C2=6", "R2C6=4", "R7C1=7", "R5C1=3" ]
138
100008500000307089700600200090050103420060970350200040002000008000409610600570004
134928567265317489789645231896754123421863975357291846942136758573489612618572394
constraint_programming
[ "R6C1=4", "R3C3=7", "R3C7=2", "R4C8=5", "R8C7=9", "R2C5=5", "R4C5=3", "R8C5=2", "R0C7=6", "R8C1=1", "R6C7=5", "R2C7=3", "R3C0=8", "R0C3=9", "R8C6=3", "R0C2=4", "R0C8=7", "R6C4=3", "R1C1=6", "R7C2=3", "R6C5=6", "R3C5=4", "R1C2=5", "R8C2=8", "R3C2=6", "R1C4=1", "R1C6=4", "R1C0=2", "R4C3=8", "R4C2=1", "R7C1=7", "R0C4=2", "R2C4=4", "R0C1=3", "R7C8=2", "R6C3=1", "R2C8=1", "R5C8=6", "R5C5=1", "R2C2=9", "R6C6=7", "R7C0=5", "R2C1=8", "R7C4=8", "R5C2=7", "R5C6=8", "R6C0=9", "R5C4=9" ]
139
701020080000010004090305000009800240160070000520904030000002090083106507050407608
741629385235718964896345172379851246164273859528964731617582493483196527952437618
constraint_programming
[ "R0C6=3", "R7C7=2", "R3C5=1", "R8C0=9", "R0C5=9", "R6C4=8", "R6C3=5", "R8C4=3", "R1C3=7", "R1C6=9", "R8C2=2", "R4C8=9", "R6C0=6", "R0C8=5", "R3C0=3", "R2C8=2", "R4C3=2", "R1C1=3", "R3C1=7", "R6C6=4", "R3C4=5", "R4C6=8", "R1C0=2", "R6C8=3", "R5C6=7", "R5C2=8", "R2C7=7", "R1C2=5", "R2C2=6", "R2C0=8", "R6C2=7", "R4C5=3", "R4C7=5", "R7C4=9", "R2C4=4", "R0C1=4", "R1C7=6", "R5C4=6", "R3C8=6", "R1C5=8", "R8C7=1", "R0C3=6", "R7C0=4", "R4C2=4", "R5C8=1", "R2C6=1", "R6C1=1" ]
140
800000960070590003003208015002304008001082000006000470040009300030051020500820609
825137964174596283963248715752364198491782536386915472248679351639451827517823649
backtracking
[ "R2C4=4", "R0C3=1", "R7C8=7", "R7C3=4", "R3C7=9", "R4C1=9", "R2C1=6", "R5C1=8", "R1C0=1", "R5C4=1", "R5C8=2", "R5C5=5", "R1C7=8", "R1C6=2", "R4C7=3", "R3C6=1", "R2C0=9", "R0C1=2", "R0C8=4", "R7C0=6", "R3C0=7", "R8C1=1", "R1C5=6", "R8C5=3", "R4C6=5", "R0C5=7", "R7C6=8", "R3C1=5", "R6C3=6", "R6C7=5", "R2C6=7", "R5C0=3", "R1C2=4", "R8C7=4", "R4C3=7", "R0C4=3", "R6C2=8", "R6C8=1", "R7C2=9", "R5C3=9", "R6C0=2", "R4C0=4", "R3C4=6", "R6C4=7", "R0C2=5", "R4C8=6", "R8C2=7" ]
141
290000000104050680000048903901874000006000050803020100075010004600000230080039006
298763541134952687567148923951874362726391458843625179375216894619487235482539716
backtracking
[ "R1C5=2", "R1C1=3", "R0C3=7", "R6C3=2", "R2C0=5", "R3C6=3", "R7C1=1", "R2C7=2", "R6C7=9", "R6C6=8", "R7C3=4", "R3C8=2", "R4C8=8", "R5C3=6", "R1C8=7", "R5C5=5", "R4C4=9", "R8C6=7", "R6C5=6", "R4C0=7", "R4C1=2", "R2C2=7", "R5C7=7", "R1C3=9", "R8C7=1", "R3C7=6", "R0C5=3", "R0C8=1", "R0C6=5", "R2C3=1", "R7C2=9", "R8C3=5", "R5C8=9", "R2C1=6", "R0C4=6", "R7C4=8", "R8C0=4", "R0C2=8", "R5C1=4", "R7C8=5", "R4C3=3", "R4C6=4", "R3C1=5", "R7C5=7", "R0C7=4", "R4C5=1", "R8C2=2", "R6C0=3" ]
142
001405000780031050000080009027800010040000620690200570004007300503690240010003800
931465782782931456456782139327856914145379628698214573864127395573698241219543867
backtracking
[ "R1C3=9", "R2C3=7", "R4C5=9", "R4C8=8", "R7C8=1", "R4C0=1", "R8C4=4", "R3C8=4", "R2C1=5", "R2C5=2", "R0C0=9", "R5C8=3", "R3C0=3", "R6C7=9", "R3C5=6", "R0C8=2", "R6C3=1", "R4C4=7", "R8C2=9", "R2C0=4", "R8C8=7", "R0C6=7", "R4C3=3", "R5C5=4", "R8C3=5", "R6C0=8", "R1C2=2", "R0C1=3", "R8C7=6", "R3C4=5", "R1C6=4", "R3C6=9", "R2C6=1", "R1C8=6", "R0C4=6", "R2C7=3", "R2C2=6", "R7C1=7", "R4C2=5", "R6C8=5", "R5C4=1", "R0C7=8", "R8C0=2", "R5C2=8", "R7C5=8", "R6C4=2", "R6C1=6" ]
143
047000090005200816120056400000008007591004300803001000000639500200470008309080060
647813295935247816128956473462398157591764382873521649784639521216475938359182764
backtracking
[ "R5C3=5", "R3C7=5", "R6C1=8", "R7C7=3", "R4C4=6", "R6C2=4", "R7C5=5", "R1C4=4", "R4C3=7", "R2C3=9", "R6C8=1", "R2C2=8", "R4C8=2", "R8C5=2", "R3C6=1", "R5C6=6", "R2C7=7", "R6C7=2", "R8C3=1", "R0C0=6", "R0C3=8", "R8C1=5", "R7C2=6", "R8C8=4", "R5C7=4", "R5C1=7", "R5C4=2", "R2C8=3", "R0C4=1", "R1C1=3", "R3C2=2", "R7C6=9", "R8C6=7", "R3C1=6", "R7C1=1", "R6C0=7", "R4C7=8", "R1C0=9", "R1C5=7", "R3C3=3", "R0C8=5", "R3C4=9", "R3C0=4", "R5C8=9", "R0C6=2", "R0C5=3" ]
144
910080030046290100000007004000300051120040869654000020370500080000600003002901740
917486532546293178238157694789362451123745869654819327371524986495678213862931745
backtracking
[ "R2C4=5", "R5C5=9", "R2C3=1", "R6C4=2", "R0C5=6", "R0C6=5", "R2C6=6", "R5C8=7", "R2C7=9", "R7C6=2", "R0C2=7", "R2C0=2", "R3C0=7", "R6C8=6", "R7C7=1", "R2C2=8", "R0C3=4", "R8C4=3", "R0C8=2", "R6C2=1", "R7C0=4", "R8C8=5", "R8C0=8", "R7C4=7", "R2C1=3", "R5C3=8", "R1C8=8", "R4C2=3", "R7C1=9", "R3C6=4", "R3C1=8", "R7C2=5", "R1C0=5", "R8C1=6", "R5C6=3", "R1C5=3", "R5C4=1", "R4C3=7", "R6C5=4", "R6C6=9", "R7C5=8", "R3C5=2", "R3C2=9", "R3C4=6", "R4C5=5", "R1C7=7" ]
145
000470800200905410000000030701000380045007900680030025000009106093042070504080000
916473852238965417457218639721596384345827961689134725872359146193642578564781293
backtracking
[ "R0C2=6", "R6C7=4", "R0C7=5", "R0C5=3", "R4C7=6", "R1C2=8", "R5C5=4", "R3C3=5", "R4C8=1", "R8C1=6", "R4C0=3", "R3C5=6", "R5C2=9", "R7C6=5", "R5C6=7", "R2C5=8", "R6C4=5", "R4C4=2", "R8C5=1", "R2C8=9", "R2C1=5", "R3C1=2", "R1C4=6", "R8C3=7", "R6C3=3", "R8C7=9", "R4C3=8", "R6C0=8", "R7C3=6", "R5C3=1", "R8C8=3", "R2C4=1", "R2C0=4", "R1C8=7", "R7C8=8", "R7C0=1", "R6C2=2", "R1C1=3", "R2C6=6", "R3C4=9", "R0C8=2", "R2C3=2", "R2C2=7", "R0C0=9", "R0C1=1", "R8C6=2", "R6C1=7", "R3C8=4" ]
146
034021560100800000600070300500010090068009000002700634087006002200500403001094800
834921567175863249629475381543612798768349125912758634487136952296587413351294876
backtracking
[ "R6C4=3", "R3C5=2", "R6C7=5", "R3C3=6", "R1C4=6", "R3C1=4", "R1C7=4", "R5C4=5", "R4C0=7", "R0C0=8", "R8C7=7", "R8C0=3", "R4C3=3", "R2C7=8", "R4C4=4", "R8C8=6", "R2C1=2", "R4C8=5", "R7C7=1", "R3C2=3", "R2C5=5", "R2C2=9", "R7C1=9", "R6C6=9", "R5C5=8", "R5C1=1", "R7C4=8", "R0C8=7", "R2C8=1", "R7C5=7", "R0C3=9", "R1C8=9", "R1C2=5", "R7C2=6", "R3C6=7", "R4C6=1", "R2C3=4", "R1C1=7", "R1C5=3", "R8C3=2", "R3C8=8", "R1C6=2", "R6C0=4", "R8C1=5", "R5C0=9", "R6C3=1", "R4C7=2" ]
147
003002050007890001006005900510060048009040700040531002080000004200109806361700020
893612457457893261126475983512967348639248715748531692985326174274159836361784529
backtracking
[ "R2C3=4", "R1C6=2", "R7C4=5", "R0C6=4", "R6C0=9", "R4C0=6", "R3C5=7", "R7C2=4", "R3C2=2", "R5C2=8", "R6C4=2", "R2C1=2", "R5C0=7", "R6C7=7", "R4C3=2", "R1C7=6", "R2C0=1", "R6C3=3", "R8C6=5", "R4C1=3", "R2C8=3", "R0C8=7", "R4C5=8", "R0C4=1", "R0C0=8", "R4C8=5", "R8C8=9", "R6C6=1", "R0C3=6", "R3C3=9", "R5C7=9", "R5C6=6", "R7C1=7", "R6C5=6", "R7C7=3", "R8C4=8", "R1C5=3", "R2C7=8", "R0C1=9", "R2C4=7", "R4C7=1", "R3C6=3", "R8C5=4", "R6C2=5", "R1C0=4", "R1C1=5" ]
148
000380109012095300060200008059000230406020070700040900301907600080604000000000051
574386129812495367963271548159768234436129875728543916341957682285614793697832451
constraint_programming
[ "R4C1=3", "R7C8=3", "R5C7=1", "R3C4=6", "R4C3=1", "R6C1=4", "R7C6=7", "R7C4=1", "R8C4=3", "R5C3=5", "R2C2=3", "R2C4=7", "R8C1=9", "R0C0=5", "R7C7=9", "R1C8=7", "R4C5=9", "R2C7=4", "R7C0=2", "R7C2=5", "R3C8=4", "R1C3=4", "R0C2=4", "R6C7=8", "R3C5=8", "R3C3=7", "R5C8=6", "R8C3=8", "R4C8=5", "R1C0=8", "R2C0=9", "R8C5=2", "R6C8=2", "R8C6=4", "R4C6=8", "R6C4=5", "R5C1=2", "R2C6=5", "R8C2=7", "R5C2=8", "R8C0=6", "R0C1=7", "R0C5=6", "R3C0=1", "R2C5=1", "R0C7=2", "R5C5=3", "R1C7=6" ]
149
408020106060409520090008037700300015003040000020657900910000080504013000076000200
438725196167439528295168437749382615653941872821657943912576384584213769376894251
backtracking
[ "R6C6=3", "R5C0=8", "R6C3=5", "R2C4=6", "R2C0=2", "R4C0=6", "R0C7=9", "R3C4=8", "R8C5=4", "R0C3=7", "R1C2=7", "R4C1=5", "R2C6=4", "R3C2=9", "R8C3=8", "R2C2=5", "R8C4=9", "R4C3=9", "R7C1=8", "R6C2=2", "R5C8=3", "R5C2=1", "R0C1=3", "R5C7=4", "R6C4=7", "R8C0=3", "R3C1=4", "R1C8=8", "R3C5=2", "R1C0=1", "R6C5=6", "R3C6=6", "R2C3=1", "R8C8=1", "R7C7=6", "R1C4=3", "R4C8=2", "R6C8=4", "R4C6=8", "R7C3=2", "R8C7=5", "R4C7=7", "R4C5=1", "R7C6=7", "R0C5=5", "R7C8=9" ]
150
073082001052009300400050970090760108028300006001200000500000000869030040037000510
973482651152679384486153972395764128728315496641298735514927863869531247237846519
backtracking
[ "R1C8=4", "R6C8=3", "R8C5=6", "R8C0=2", "R8C8=9", "R1C4=7", "R5C7=3", "R6C6=8", "R6C2=4", "R0C6=6", "R0C7=5", "R2C8=2", "R5C0=6", "R8C4=4", "R2C1=8", "R3C7=2", "R7C3=5", "R7C5=1", "R3C2=5", "R5C5=8", "R3C0=3", "R4C5=5", "R1C3=6", "R4C6=4", "R5C4=9", "R4C7=9", "R8C3=8", "R5C6=7", "R6C5=7", "R2C2=6", "R7C8=7", "R4C4=1", "R2C3=1", "R1C7=8", "R0C3=4", "R7C6=2", "R5C1=4", "R4C0=7", "R2C5=3", "R6C1=1", "R6C7=6", "R1C0=1", "R5C8=5", "R3C5=4", "R6C4=2", "R6C3=9", "R0C0=9" ]
151
001307005000000098907406102400205003030000609082100040000902304208670000500014070
821397465364521798957486132479265813135748629682139547716952384248673951593814276
backtracking
[ "R5C8=7", "R4C3=7", "R1C2=4", "R5C0=6", "R6C2=6", "R2C7=3", "R3C1=7", "R7C7=5", "R1C0=3", "R1C4=2", "R7C5=3", "R2C4=8", "R3C4=6", "R4C4=4", "R6C0=7", "R7C8=1", "R1C3=5", "R3C6=8", "R1C1=6", "R0C4=9", "R8C8=6", "R3C7=1", "R8C1=9", "R6C4=5", "R5C6=5", "R4C0=1", "R3C2=9", "R8C3=8", "R4C5=8", "R0C6=4", "R5C4=3", "R6C1=1", "R4C7=2", "R0C1=2", "R7C6=9", "R2C1=5", "R5C5=9", "R1C6=7", "R0C0=8", "R7C1=4", "R4C2=5", "R1C5=1", "R8C6=2", "R6C7=8", "R8C2=3", "R0C7=6" ]
152
020400017050000463008030000009726040604890021080003050090500670700900000105060009
326459817951278463478631592519726348634895721287143956893512674762984135145367289
constraint_programming
[ "R6C4=1", "R1C3=2", "R6C5=2", "R3C8=8", "R5C3=1", "R1C2=1", "R7C7=3", "R2C3=6", "R3C1=1", "R4C6=7", "R6C2=3", "R3C0=5", "R6C8=4", "R0C2=6", "R2C0=4", "R2C5=1", "R4C1=3", "R2C7=9", "R2C8=2", "R7C2=2", "R0C4=5", "R1C0=9", "R3C6=3", "R8C1=4", "R0C6=8", "R0C5=9", "R6C0=8", "R5C4=4", "R1C5=8", "R4C5=5", "R8C7=8", "R8C6=2", "R5C8=6", "R5C0=2", "R5C6=9", "R7C4=8", "R2C6=5", "R5C2=7", "R7C8=5", "R7C6=1", "R1C4=7", "R8C3=3", "R8C5=7", "R2C1=7", "R7C5=4", "R0C0=3", "R7C1=6" ]
153
000013000200675003060000400000006090092000708580040132009080050305902001041030600
958413276214675983763298415137826594492351768586749132629184357375962841841537629
backtracking
[ "R3C2=7", "R0C0=9", "R2C3=2", "R8C8=9", "R1C6=9", "R5C3=7", "R0C1=5", "R8C7=2", "R1C7=8", "R4C3=3", "R0C7=7", "R4C4=5", "R3C4=2", "R4C0=4", "R2C5=8", "R8C0=8", "R0C2=8", "R1C1=1", "R6C5=4", "R7C4=6", "R2C8=5", "R5C2=6", "R2C2=3", "R3C6=5", "R3C8=4", "R7C1=7", "R6C6=3", "R7C6=8", "R1C2=4", "R4C5=1", "R7C7=4", "R4C7=6", "R3C1=3", "R0C3=4", "R6C8=7", "R8C5=7", "R6C1=2", "R3C0=1", "R6C3=1", "R2C7=1", "R0C8=6", "R2C4=9", "R2C0=7", "R0C6=2", "R8C3=5", "R5C5=9", "R6C0=6", "R3C3=8" ]
154
503960800042007090010000706000406000200003050000500103007190602400308900800000045
573961824642837591918245736135486279269713458784529163357194682426358917891672345
constraint_programming
[ "R4C2=9", "R8C3=6", "R0C5=1", "R5C4=2", "R3C8=9", "R3C0=1", "R2C0=9", "R2C4=4", "R4C8=8", "R7C1=2", "R5C5=9", "R7C7=1", "R6C5=4", "R1C8=1", "R6C0=3", "R8C5=2", "R8C6=3", "R0C1=7", "R7C2=6", "R3C7=7", "R5C1=8", "R8C4=7", "R6C7=8", "R0C8=4", "R1C3=8", "R4C6=4", "R4C4=1", "R1C6=5", "R1C0=6", "R0C7=2", "R8C2=1", "R7C4=5", "R2C7=3", "R7C8=7", "R4C3=7", "R3C2=5", "R5C7=6", "R1C4=3", "R3C4=8", "R5C0=7", "R3C6=2", "R2C3=2", "R2C5=5", "R4C1=6", "R3C1=3", "R8C1=9", "R6C1=5", "R5C2=4", "R2C2=8" ]
155
090000080000402030700050900609200004500870301307040000400089620030001050005030807
294367185158492736763158942689213574542876391317945268471589623836721459925634817
constraint_programming
[ "R5C7=6", "R0C3=3", "R6C1=7", "R4C2=2", "R1C2=8", "R0C2=4", "R4C1=4", "R0C6=1", "R2C2=3", "R8C3=6", "R5C6=2", "R7C6=4", "R7C0=8", "R5C8=8", "R8C7=1", "R3C5=3", "R8C5=4", "R1C8=6", "R4C7=9", "R4C5=6", "R7C3=7", "R5C1=1", "R0C8=5", "R6C2=1", "R3C6=5", "R7C2=6", "R5C5=5", "R0C4=6", "R0C0=2", "R2C5=8", "R8C1=2", "R1C4=9", "R3C7=7", "R1C1=5", "R0C5=7", "R8C0=9", "R2C7=4", "R7C4=2", "R7C8=9", "R5C3=9", "R2C8=2", "R3C1=8", "R6C8=3", "R3C4=1", "R1C0=1", "R6C3=5", "R2C1=6", "R1C6=7", "R2C3=1" ]
156
243705100060094005000001820700316002402000030500007900001500006600870590090000043
243785169168294375957631824789316452412958637536427918371549286624873591895162743
backtracking
[ "R2C4=3", "R6C1=7", "R4C6=6", "R3C2=9", "R5C7=1", "R4C8=7", "R2C0=9", "R1C0=1", "R7C1=2", "R8C3=1", "R8C0=8", "R0C4=8", "R5C2=6", "R3C1=8", "R2C3=6", "R2C1=5", "R1C2=8", "R5C1=3", "R8C6=7", "R2C8=4", "R2C2=7", "R7C2=4", "R8C2=5", "R5C4=2", "R4C4=5", "R3C7=5", "R8C5=2", "R6C6=2", "R6C5=9", "R1C6=3", "R7C8=1", "R5C8=8", "R0C7=6", "R8C4=6", "R3C6=4", "R6C7=8", "R6C4=4", "R1C7=7", "R4C1=1", "R4C5=8", "R4C3=9", "R0C8=9", "R5C3=4", "R6C0=3", "R7C5=3", "R1C3=2" ]
157
800510240400900000056000080075001008010004076900020030001705093080060000004103560
839516247427938651156472389675391428312854976948627135261745893583269714794183562
backtracking
[ "R7C3=2", "R1C2=7", "R1C6=6", "R7C5=9", "R7C7=1", "R6C6=8", "R8C1=9", "R1C1=2", "R6C4=4", "R4C4=5", "R0C1=3", "R6C0=2", "R7C8=4", "R1C7=5", "R2C4=7", "R8C4=8", "R7C0=5", "R1C8=1", "R2C8=9", "R3C7=2", "R2C3=4", "R0C8=7", "R3C3=3", "R5C2=8", "R8C0=7", "R4C0=3", "R3C4=9", "R7C6=7", "R6C1=6", "R0C2=9", "R0C5=6", "R5C1=4", "R4C2=2", "R1C5=8", "R1C4=3", "R5C8=5", "R5C6=1", "R3C0=6", "R4C3=8", "R5C3=6", "R2C0=1", "R2C6=3", "R5C5=7", "R2C5=2", "R3C6=4", "R4C6=9", "R8C8=2", "R7C2=3" ]
158
001530400000940006302708000580200004060003052100000870070080923800400605000095008
691532487758941236342768591587219364964873152123654879475186923839427615216395748
constraint_programming
[ "R6C3=1", "R3C6=3", "R7C2=9", "R1C0=7", "R4C2=4", "R0C5=2", "R5C3=6", "R3C2=7", "R3C4=1", "R5C2=3", "R6C0=4", "R6C5=6", "R8C7=4", "R2C8=1", "R4C0=9", "R0C8=7", "R1C6=2", "R0C0=6", "R4C6=1", "R0C1=9", "R7C4=2", "R8C2=6", "R5C4=5", "R6C2=5", "R0C7=8", "R2C6=5", "R1C7=3", "R7C7=1", "R3C5=9", "R8C6=7", "R4C4=7", "R2C4=6", "R1C1=5", "R5C5=4", "R3C7=6", "R4C3=8", "R8C3=3", "R8C1=1", "R1C2=8", "R5C8=9", "R5C1=2", "R7C5=7", "R8C0=2", "R2C1=4", "R7C1=3", "R1C5=1", "R2C7=9" ]
159
020304906800009050054618000308500070070403005019000000001000003700000824006872010
127354986863729451954618237348591672672483195519267348281945763795136824436872519
constraint_programming
[ "R3C5=1", "R5C8=8", "R0C4=5", "R1C2=3", "R1C6=4", "R8C6=5", "R3C8=2", "R4C0=6", "R6C3=9", "R6C0=2", "R5C6=3", "R6C1=8", "R7C5=6", "R0C2=7", "R7C3=1", "R4C2=2", "R1C1=6", "R1C8=1", "R6C5=5", "R5C4=6", "R2C7=3", "R0C7=8", "R3C6=6", "R7C2=5", "R4C4=8", "R7C4=3", "R5C3=2", "R8C0=4", "R4C6=1", "R1C3=7", "R5C5=7", "R0C0=1", "R2C0=9", "R8C8=9", "R5C7=4", "R3C4=9", "R6C7=6", "R5C0=5", "R4C7=9", "R6C4=4", "R2C6=2", "R3C1=4", "R7C1=9", "R2C8=7", "R8C1=3", "R6C6=7", "R1C4=2" ]
160
301002000080004002074650010960000008000021350500003407407005200000400839006010005
351792684689134572274658913963547128748921356512863497497385261125476839836219745
backtracking
[ "R7C1=2", "R8C0=8", "R6C8=1", "R1C6=5", "R0C6=6", "R8C6=7", "R3C6=1", "R2C8=3", "R3C7=2", "R0C8=4", "R3C3=5", "R8C5=9", "R0C4=9", "R5C2=2", "R2C6=9", "R5C1=1", "R7C5=6", "R6C1=9", "R2C0=2", "R4C1=4", "R3C2=3", "R7C4=7", "R8C7=4", "R1C2=9", "R4C8=6", "R0C1=5", "R8C1=3", "R4C2=8", "R1C3=1", "R3C5=7", "R5C3=8", "R6C3=3", "R0C3=7", "R6C4=8", "R3C4=4", "R2C5=8", "R7C2=5", "R1C0=6", "R8C3=2", "R4C0=7", "R6C7=6", "R0C7=8", "R1C4=3", "R7C0=1", "R1C7=7", "R5C7=9", "R4C3=9", "R5C4=6" ]
161
003802750270501000000070960630028100000000040809037500700900800054000210010043070
493862751276591483581374962635428197127659348849137526762915834354786219918243675
backtracking
[ "R0C4=6", "R1C7=8", "R7C8=9", "R8C3=2", "R4C3=6", "R6C5=5", "R4C0=1", "R6C8=4", "R1C4=9", "R8C6=6", "R1C8=3", "R2C8=2", "R1C2=6", "R7C4=8", "R2C3=3", "R8C2=8", "R6C7=3", "R6C1=6", "R5C8=6", "R3C8=7", "R3C7=9", "R8C8=5", "R2C2=1", "R7C3=7", "R3C2=5", "R5C7=2", "R4C8=8", "R7C5=6", "R5C1=4", "R4C1=2", "R4C6=3", "R4C4=5", "R7C0=3", "R4C5=9", "R1C6=4", "R3C3=4", "R2C5=4", "R0C1=9", "R0C0=4", "R2C0=5", "R4C2=7", "R8C0=9", "R0C8=1", "R6C2=2", "R2C1=8", "R6C4=1", "R5C3=1" ]
162
070000168104200050000580002030009040000600005490010830900107000006930021208065700
572394168184276359369581472631859247827643915495712836953127684746938521218465793
backtracking
[ "R3C8=7", "R2C1=6", "R5C3=7", "R4C1=2", "R0C3=3", "R3C4=5", "R3C2=1", "R6C2=3", "R1C1=8", "R1C4=7", "R5C2=5", "R3C6=2", "R4C2=7", "R2C5=1", "R5C8=6", "R6C6=6", "R0C0=5", "R7C0=7", "R2C6=4", "R4C4=4", "R7C1=4", "R2C7=7", "R2C0=3", "R3C0=6", "R8C8=3", "R7C6=5", "R8C7=9", "R2C2=9", "R6C7=8", "R8C1=1", "R4C6=9", "R6C1=5", "R5C5=2", "R7C5=8", "R8C3=4", "R0C5=4", "R6C4=2", "R1C8=9", "R6C8=4", "R0C4=9", "R0C2=2", "R4C7=1", "R4C5=3", "R4C0=8", "R1C5=6", "R3C3=8", "R1C6=3" ]
163
000000590036804200700021000000430002085009700604107089400700003107000000290605108
812376594536894217749521836971438652385269741624157389458712963167983425293645178
backtracking
[ "R3C2=1", "R3C7=5", "R2C7=3", "R2C6=8", "R3C0=9", "R2C3=5", "R4C3=2", "R8C4=4", "R0C2=2", "R3C5=8", "R0C1=1", "R6C5=2", "R7C1=6", "R1C7=1", "R6C2=8", "R0C5=6", "R7C7=2", "R0C8=4", "R1C8=7", "R7C3=9", "R6C4=1", "R2C8=6", "R4C0=3", "R6C7=6", "R3C1=7", "R6C1=5", "R2C1=4", "R7C5=3", "R0C3=3", "R7C6=4", "R4C7=4", "R5C4=5", "R7C8=5", "R4C4=6", "R6C6=9", "R5C1=2", "R8C7=7", "R1C4=9", "R7C4=8", "R4C8=1", "R2C2=9", "R0C4=7", "R5C6=3", "R3C6=6", "R1C0=5", "R8C2=3", "R0C0=8" ]
164
037021800000080900600000423159000007004600002200710500005034086080005310020960004
937421865542386971618597423159842637874653192263719548795134286486275319321968754
backtracking
[ "R1C0=5", "R4C6=1", "R6C0=7", "R8C6=7", "R7C3=2", "R5C5=9", "R4C7=9", "R8C5=8", "R0C7=6", "R1C1=4", "R2C5=7", "R2C1=1", "R6C3=1", "R1C5=6", "R4C1=7", "R1C2=2", "R2C2=8", "R3C4=4", "R3C5=2", "R6C1=9", "R3C6=6", "R4C5=3", "R6C6=2", "R3C3=8", "R5C1=6", "R1C8=1", "R0C0=9", "R7C2=6", "R2C4=9", "R8C0=3", "R4C4=5", "R7C8=9", "R5C7=4", "R2C3=5", "R5C2=3", "R8C7=5", "R0C3=4", "R3C7=3", "R7C0=4", "R0C8=5", "R1C3=3", "R7C4=7", "R4C0=8", "R5C8=8", "R1C7=7", "R8C2=1" ]
165
010004078704900006000013000580000201091065830400120009600007000000290500839040060
312654978754982316968713425586379241291465837473128659625837194147296583839541762
constraint_programming
[ "R0C4=5", "R2C2=8", "R0C2=2", "R6C7=9", "R3C7=4", "R7C8=3", "R1C6=3", "R5C5=8", "R3C2=6", "R8C6=7", "R6C2=5", "R3C3=3", "R7C2=7", "R6C6=1", "R3C4=7", "R2C0=9", "R4C0=2", "R7C5=6", "R2C8=5", "R7C1=4", "R1C5=2", "R2C1=6", "R1C4=8", "R5C1=7", "R7C7=8", "R6C3=8", "R0C6=9", "R6C4=3", "R3C5=9", "R2C7=2", "R1C1=5", "R8C5=1", "R8C3=5", "R0C3=6", "R1C7=1", "R5C7=5", "R6C1=2", "R2C6=4", "R2C3=7", "R7C0=1", "R8C8=2", "R5C2=3", "R5C6=6", "R0C0=3", "R4C8=7", "R6C8=4", "R4C3=4" ]
166
209000340040000001607005089170540600030820000005003090058310020000002570406007800
289761345543298761617435289172549638934826157865173492758314926391682574426957813
constraint_programming
[ "R4C0=9", "R5C8=2", "R0C8=5", "R3C7=3", "R8C4=5", "R8C1=2", "R1C3=2", "R2C6=2", "R0C4=6", "R4C6=1", "R0C1=8", "R3C2=2", "R5C3=1", "R6C5=4", "R6C8=6", "R7C8=4", "R6C0=7", "R7C3=6", "R1C0=5", "R2C1=1", "R4C8=7", "R5C6=4", "R2C4=3", "R5C4=7", "R6C6=9", "R3C5=9", "R8C3=9", "R7C1=9", "R0C5=1", "R1C2=3", "R4C7=5", "R1C6=7", "R7C0=3", "R1C4=9", "R5C1=6", "R1C7=6", "R8C7=1", "R5C0=8", "R4C2=4", "R8C8=3", "R2C3=4", "R7C2=1", "R0C3=7", "R1C5=8", "R7C4=8", "R3C8=8", "R4C5=6" ]
167
050002034000706900800310600003000010027083400009070250060900720900065008000140060
756892134314756982892314675543629817127583496689471253465938721971265348238147569
backtracking
[ "R5C5=1", "R6C4=3", "R3C0=5", "R8C5=7", "R0C4=9", "R1C4=5", "R7C7=4", "R2C2=2", "R0C0=7", "R2C1=9", "R3C5=9", "R1C8=2", "R6C8=1", "R5C3=4", "R3C6=8", "R2C7=7", "R7C6=3", "R0C2=6", "R4C0=1", "R5C1=8", "R8C2=8", "R6C2=5", "R4C3=5", "R0C3=8", "R0C6=1", "R3C4=2", "R3C1=4", "R5C8=3", "R8C8=9", "R4C7=9", "R7C2=1", "R1C7=8", "R5C0=6", "R1C0=3", "R3C3=6", "R2C8=5", "R7C3=2", "R6C0=4", "R1C1=1", "R8C6=5", "R2C5=4", "R6C5=8", "R7C1=7", "R3C8=7", "R1C2=4", "R8C1=3", "R8C0=2", "R4C8=6" ]
168
007300850500082609080150004300400076010098000420000510000206000030010400160907003
297364851541782639683159724358421976716598342429673518874236195932815467165947283
backtracking
[ "R2C0=6", "R3C2=8", "R7C3=8", "R8C2=5", "R0C0=2", "R5C4=7", "R6C2=4", "R2C7=2", "R3C5=1", "R1C2=1", "R8C7=8", "R6C1=7", "R6C8=5", "R6C0=8", "R6C4=3", "R0C4=6", "R4C8=2", "R5C5=3", "R3C6=9", "R4C2=6", "R5C3=6", "R3C1=5", "R1C3=7", "R3C4=2", "R6C7=9", "R7C8=7", "R8C4=4", "R4C7=4", "R5C8=8", "R0C5=4", "R0C1=9", "R7C5=5", "R7C0=9", "R2C2=3", "R4C3=5", "R5C2=9", "R7C7=6", "R1C1=4", "R0C8=1", "R4C6=3", "R2C5=9", "R6C6=1", "R4C0=7", "R1C7=3", "R2C6=7", "R8C6=2", "R7C2=2" ]
169
543000000000700900900680150001500042307001000458032010800120009060004000000096730
543219876186745923972683154691578342327461598458932617835127469769354281214896735
constraint_programming
[ "R4C3=4", "R7C2=9", "R3C6=3", "R7C8=1", "R8C2=4", "R4C7=9", "R1C2=6", "R0C8=6", "R3C5=8", "R6C7=6", "R4C6=5", "R7C7=8", "R5C8=7", "R2C2=2", "R7C3=3", "R6C6=4", "R0C5=9", "R3C1=9", "R4C1=2", "R0C6=8", "R5C6=6", "R1C0=1", "R4C4=6", "R1C4=4", "R6C2=5", "R1C1=8", "R7C0=7", "R1C5=5", "R6C5=7", "R4C8=8", "R8C3=8", "R3C0=6", "R7C4=5", "R6C1=3", "R5C3=9", "R1C8=3", "R1C7=2", "R8C1=1", "R7C6=2", "R8C0=2", "R2C1=7", "R2C5=3", "R8C8=5", "R0C7=7", "R3C4=7", "R0C3=2", "R2C8=4", "R0C4=1" ]
170
070000005206007010003094080000859300050020600001006204400000102732100009089300060
978613425246587913513294786624859371357421698891736254465978132732165849189342567
backtracking
[ "R1C3=5", "R8C8=7", "R5C0=8", "R6C7=3", "R5C3=7", "R1C1=4", "R6C3=9", "R2C6=7", "R4C0=3", "R4C8=8", "R4C7=9", "R7C7=4", "R8C4=4", "R0C0=9", "R6C1=6", "R2C8=6", "R2C0=5", "R5C1=9", "R8C0=1", "R0C4=1", "R6C2=5", "R3C1=2", "R8C6=5", "R8C5=2", "R2C1=1", "R5C7=5", "R4C2=7", "R3C2=4", "R7C6=8", "R0C6=4", "R6C5=8", "R0C7=2", "R1C8=3", "R7C5=5", "R4C3=4", "R0C5=3", "R1C6=9", "R0C3=6", "R0C2=8", "R4C5=1", "R3C8=1", "R3C7=7", "R5C4=3", "R6C4=7", "R7C4=6", "R3C0=6", "R1C4=8", "R2C3=2" ]
171
000630090204005070130000040009150004080960200500207060060002057008400001700091300
875634192294815673136729548629158734487963215513247869961382457358476921742591386
constraint_programming
[ "R0C1=7", "R2C4=2", "R3C7=3", "R1C1=9", "R3C6=7", "R6C3=3", "R8C1=4", "R2C2=6", "R5C1=1", "R7C7=2", "R7C0=3", "R7C4=7", "R6C2=1", "R5C8=9", "R3C0=6", "R5C6=8", "R4C2=7", "R6C6=4", "R6C0=9", "R3C5=8", "R7C1=5", "R7C5=6", "R1C6=6", "R4C5=3", "R1C4=1", "R2C6=5", "R0C2=5", "R4C7=1", "R7C6=9", "R4C0=4", "R8C7=8", "R0C5=4", "R5C2=3", "R5C4=4", "R2C5=9", "R0C8=2", "R1C3=8", "R1C8=3", "R8C8=6", "R2C3=7", "R4C8=5", "R8C2=2", "R3C1=2", "R2C8=8", "R0C0=8", "R6C4=8", "R0C6=1", "R8C3=5" ]
172
900106005020839000804070300001050090032001607006000084000300040007002910060097002
973146825625839471814275369781654293432981657596723184259318746347562918168497532
backtracking
[ "R2C3=2", "R1C6=4", "R8C0=1", "R3C1=8", "R3C3=6", "R7C0=3", "R6C5=8", "R1C0=6", "R5C5=3", "R7C3=5", "R8C3=4", "R3C0=7", "R5C3=7", "R2C1=1", "R5C1=9", "R4C7=5", "R0C1=7", "R6C6=7", "R1C8=1", "R3C8=3", "R0C2=3", "R4C0=4", "R4C4=8", "R7C1=4", "R5C4=2", "R5C6=1", "R6C1=5", "R5C0=5", "R3C5=4", "R6C8=6", "R0C7=2", "R1C7=7", "R7C8=8", "R8C2=8", "R0C4=4", "R8C7=3", "R2C7=6", "R1C2=5", "R6C4=1", "R8C6=5", "R2C5=5", "R2C8=9", "R0C6=8", "R6C0=2", "R4C3=9", "R7C4=6", "R6C2=9", "R3C6=2" ]
173
047052000000900070102000003200400800503006091098007650600013700000800019004720580
947352168836941275152678943261495837573286491498137652689513724725864319314729586
backtracking
[ "R6C2=9", "R5C8=2", "R2C3=6", "R4C6=4", "R2C7=4", "R7C1=2", "R1C0=8", "R3C2=1", "R7C6=3", "R6C3=5", "R2C5=8", "R3C4=9", "R0C8=8", "R3C5=5", "R7C0=7", "R7C4=6", "R2C4=7", "R0C6=1", "R6C7=2", "R1C4=4", "R7C5=4", "R4C4=8", "R6C8=4", "R3C8=7", "R1C8=5", "R3C1=6", "R8C0=3", "R7C2=5", "R5C3=1", "R6C1=8", "R4C3=2", "R0C0=9", "R2C6=9", "R1C6=2", "R4C1=7", "R8C1=1", "R1C1=3", "R8C8=6", "R3C7=3", "R0C3=3", "R5C0=4", "R1C2=6", "R5C4=3", "R8C5=9", "R0C7=6", "R1C5=1", "R2C1=5" ]
174
000701006015000000784900002190048060000300240072010090300560700027000085500809300
239781456615423978784956132193248567856397241472615893348562719927134685561879324
constraint_programming
[ "R0C6=4", "R2C4=5", "R6C7=1", "R8C1=6", "R1C8=8", "R5C3=6", "R5C6=8", "R8C4=7", "R4C2=6", "R7C6=6", "R4C0=8", "R3C6=5", "R4C5=7", "R0C4=8", "R3C3=2", "R1C7=7", "R7C4=3", "R1C0=6", "R1C4=2", "R6C1=4", "R3C8=7", "R8C7=2", "R1C3=4", "R0C1=3", "R2C5=6", "R5C8=3", "R6C2=8", "R4C1=5", "R0C2=9", "R3C2=3", "R7C0=9", "R8C8=4", "R4C8=1", "R0C7=5", "R4C4=9", "R2C6=1", "R1C5=3", "R2C7=3", "R8C2=1", "R6C8=9", "R7C3=1", "R6C5=2", "R0C0=2", "R5C0=4", "R7C5=4", "R1C6=9", "R5C5=5" ]
175
009040601070000050013600008908002000300075040700100836004006207650008103000910004
589743621476281359213659478948362715361875942725194836194536287657428193832917564
backtracking
[ "R3C6=7", "R8C7=6", "R0C3=7", "R1C2=6", "R6C7=8", "R1C8=9", "R1C0=4", "R8C6=5", "R5C4=9", "R3C7=1", "R6C1=9", "R0C5=3", "R2C0=2", "R0C0=5", "R3C4=6", "R1C3=2", "R0C7=2", "R3C8=5", "R3C1=4", "R8C5=7", "R2C4=5", "R6C3=5", "R4C8=2", "R8C0=8", "R1C5=1", "R4C1=6", "R7C7=9", "R6C0=1", "R1C6=3", "R8C2=2", "R5C2=5", "R6C4=3", "R4C6=9", "R8C1=3", "R7C2=7", "R2C7=7", "R7C4=2", "R7C3=4", "R2C5=9", "R0C1=8", "R1C4=8", "R4C3=8", "R2C6=4", "R3C3=3", "R5C1=2", "R4C2=1", "R5C5=4" ]
176
649108050800206000050000001960000200038000040205070906007300509000709003100420860
649138752871256394352947681964513278738692145215874936487361529526789413193425867
backtracking
[ "R5C7=3", "R7C7=1", "R1C6=3", "R5C3=8", "R4C0=7", "R5C1=1", "R2C6=6", "R6C1=8", "R4C8=5", "R1C7=9", "R0C6=7", "R1C2=1", "R1C8=4", "R0C4=3", "R7C2=6", "R7C1=2", "R2C3=9", "R3C7=7", "R4C5=2", "R2C7=8", "R4C4=9", "R8C5=5", "R6C4=6", "R8C2=3", "R7C6=4", "R5C5=4", "R2C2=2", "R6C0=4", "R7C4=8", "R3C4=1", "R6C5=1", "R3C3=5", "R2C5=7", "R3C2=4", "R7C0=5", "R1C1=7", "R2C0=3", "R8C1=9", "R6C7=2", "R2C4=4", "R3C5=3", "R1C4=5", "R4C6=1", "R8C8=7", "R0C8=2", "R4C3=6", "R3C8=8" ]
177
000800000700040560563100090400300007050009002618004000000208304000060700290530180
941856273782943561563172498429385617357619842618724935176298354835461729294537186
constraint_programming
[ "R5C7=3", "R4C0=3", "R2C4=7", "R3C7=1", "R4C3=6", "R0C6=2", "R5C3=7", "R3C2=9", "R6C4=9", "R6C2=6", "R0C2=1", "R0C1=4", "R3C5=5", "R0C0=9", "R2C6=4", "R7C8=9", "R4C7=4", "R0C7=7", "R8C8=6", "R1C5=3", "R5C8=5", "R3C4=8", "R1C2=2", "R0C5=6", "R1C8=1", "R5C6=9", "R7C1=3", "R6C7=5", "R3C1=2", "R0C4=5", "R2C8=8", "R7C5=1", "R7C3=4", "R4C2=7", "R7C0=8", "R6C0=1", "R4C6=8", "R1C3=9", "R8C2=4", "R7C2=5", "R4C4=1", "R8C5=7", "R2C5=2", "R0C8=3", "R3C6=6", "R7C7=2", "R1C1=8", "R6C1=7", "R5C4=2" ]
178
000102008005040970900670104364009000087301020000700500230050700051008006000200390
473192658615843972928675134364529817587361429192784563239456781751938246846217395
backtracking
[ "R4C6=4", "R3C3=5", "R0C1=7", "R6C8=1", "R1C3=8", "R8C5=7", "R8C0=8", "R5C2=2", "R7C6=2", "R4C0=5", "R3C6=8", "R6C5=6", "R5C0=1", "R0C6=6", "R2C7=3", "R7C3=9", "R1C8=2", "R5C7=6", "R8C2=6", "R4C4=6", "R7C7=4", "R2C5=5", "R2C1=2", "R5C5=4", "R6C7=8", "R3C8=7", "R0C2=3", "R5C4=8", "R1C0=6", "R5C1=9", "R7C0=7", "R7C4=3", "R8C8=5", "R0C4=9", "R1C1=1", "R1C5=3", "R8C1=4", "R2C2=8", "R5C8=3", "R3C4=2", "R0C0=4", "R6C3=4", "R8C4=1", "R0C7=5", "R4C8=9", "R6C2=9", "R3C7=1" ]
179
000900803103500002002070560005719030300004000094002006800060709079080610520100004
657921843183546972942378561265719438318654297794832156831465729479283615526197384
backtracking
[ "R2C1=4", "R4C1=1", "R6C7=2", "R3C6=4", "R4C4=5", "R3C8=8", "R6C2=1", "R5C4=3", "R2C8=1", "R1C1=8", "R8C2=6", "R2C3=3", "R8C7=8", "R1C4=4", "R0C4=2", "R0C0=6", "R8C6=3", "R4C3=6", "R8C5=7", "R3C1=6", "R5C0=7", "R2C5=8", "R0C2=7", "R4C6=2", "R5C6=1", "R7C3=2", "R7C5=3", "R1C5=6", "R6C5=5", "R5C7=5", "R5C3=8", "R6C3=4", "R3C0=2", "R0C1=5", "R2C0=9", "R4C7=9", "R6C1=3", "R8C4=9", "R1C7=7", "R1C6=9", "R0C5=1", "R7C0=4", "R7C8=5", "R4C2=8", "R0C7=4", "R4C8=7" ]
180
003000500075361020080070040002053070006804013100690004090080100001002090300500406
213948567475361829689275341942153678756824913138697254594786132861432795327519486
constraint_programming
[ "R8C1=2", "R2C5=5", "R0C1=1", "R5C1=3", "R8C2=7", "R0C8=7", "R4C1=5", "R8C5=9", "R2C8=1", "R3C0=9", "R4C4=2", "R4C6=9", "R5C7=5", "R7C0=8", "R0C5=8", "R2C2=9", "R7C6=7", "R0C0=2", "R1C6=8", "R8C7=8", "R2C3=2", "R7C3=4", "R5C5=7", "R6C8=2", "R4C0=7", "R7C4=3", "R0C4=4", "R6C3=7", "R1C0=4", "R0C7=6", "R3C1=4", "R7C8=5", "R5C2=8", "R8C4=1", "R3C3=1", "R6C5=6", "R3C6=6", "R0C3=9", "R5C6=2", "R6C7=3", "R6C0=5", "R7C1=6", "R3C8=8", "R2C6=3", "R1C8=9", "R6C2=4", "R2C0=6" ]
181
096380005050001003000074080700010038009000104063700090014060200905023060008009040
496382715857691423231574986742915638589236174163748592314867259975423861628159347
constraint_programming
[ "R8C1=2", "R4C7=7", "R2C8=6", "R1C7=2", "R6C5=7", "R4C0=5", "R7C3=4", "R6C7=5", "R8C0=6", "R0C7=1", "R5C4=4", "R0C6=7", "R2C1=3", "R6C0=3", "R0C0=4", "R3C2=2", "R8C3=1", "R3C6=6", "R2C3=5", "R8C4=5", "R6C8=9", "R7C1=7", "R2C2=1", "R8C6=3", "R2C0=2", "R4C5=6", "R0C5=2", "R4C4=3", "R1C4=9", "R5C5=8", "R3C5=5", "R8C8=7", "R3C3=9", "R7C6=8", "R2C6=9", "R1C3=6", "R7C8=1", "R6C3=8", "R5C0=1", "R1C2=7", "R1C6=4", "R5C6=5", "R4C3=2", "R1C0=8", "R5C8=2", "R3C1=4", "R4C1=8" ]
182
004039007000604000513082060071800504040070020020003080690000008007000300008100952
264539817789614235513782469371826594845971623926453781692345178157298346438167952
constraint_programming
[ "R5C8=1", "R7C3=2", "R1C2=9", "R4C3=9", "R0C6=8", "R0C0=2", "R0C1=6", "R1C0=7", "R8C1=3", "R2C8=9", "R7C5=8", "R1C7=3", "R7C8=6", "R1C6=2", "R0C3=5", "R6C7=7", "R7C4=9", "R5C0=9", "R6C6=1", "R4C2=5", "R0C7=1", "R1C1=8", "R3C5=6", "R5C6=7", "R3C7=9", "R8C4=6", "R8C0=4", "R8C5=7", "R7C7=4", "R6C4=4", "R7C1=5", "R5C3=4", "R3C4=2", "R5C4=5", "R4C6=6", "R5C2=6", "R4C5=1", "R2C6=4", "R6C3=3", "R1C8=5", "R6C5=5", "R7C0=1", "R2C3=7", "R4C8=3", "R1C4=1", "R3C0=3", "R6C2=2", "R4C0=8" ]
183
407200500085007032000409060002030805001800000600010924856000040020000007170900306
467283591985167432213459768792634815541892673638715924856371249329546187174928356
backtracking
[ "R3C3=6", "R0C5=3", "R7C6=1", "R3C5=4", "R0C7=9", "R5C5=5", "R2C8=8", "R1C4=6", "R0C1=6", "R6C6=2", "R7C3=5", "R4C8=3", "R8C4=2", "R0C4=8", "R4C7=7", "R4C1=4", "R6C3=3", "R5C1=3", "R1C3=1", "R8C5=8", "R2C0=2", "R2C4=5", "R4C0=5", "R8C7=5", "R7C4=4", "R3C0=7", "R2C2=3", "R6C8=9", "R3C7=1", "R5C3=7", "R4C6=6", "R4C4=9", "R5C2=8", "R0C8=1", "R7C5=6", "R2C1=1", "R3C1=9", "R4C5=2", "R7C7=8", "R8C2=4", "R2C6=7", "R1C0=9", "R1C6=4", "R7C2=9", "R6C4=7", "R6C5=1", "R7C0=3" ]
184
108000046000205900000800001030000500502394070040007029600501007709480630085009010
158973246476215983293846751937128564562394178841657329624531897719482635385769412
backtracking
[ "R6C1=2", "R8C0=3", "R1C1=7", "R1C0=4", "R2C7=5", "R2C2=3", "R4C8=8", "R1C2=6", "R2C6=7", "R3C3=1", "R2C4=4", "R7C8=5", "R0C3=9", "R3C8=4", "R1C4=1", "R5C6=3", "R0C1=5", "R6C6=8", "R1C8=3", "R0C4=7", "R5C2=1", "R7C5=2", "R2C1=9", "R6C7=9", "R1C7=8", "R8C8=2", "R3C4=2", "R6C2=4", "R0C6=2", "R4C6=1", "R5C0=8", "R8C6=4", "R7C1=1", "R0C5=3", "R5C4=5", "R2C0=2", "R2C5=6", "R3C5=8", "R3C2=7", "R8C3=7", "R6C4=3", "R5C3=6", "R4C1=6", "R3C0=9", "R8C4=6", "R3C7=6" ]
185
100040500953060004008970000200510670007008003000000120060400900080650210500327006
176843592953162784428975361239514678617298453845736129762481935384659217591327846
backtracking
[ "R6C5=1", "R4C3=2", "R5C3=7", "R1C7=8", "R6C8=5", "R7C0=3", "R5C1=4", "R2C7=6", "R5C8=9", "R2C0=4", "R3C8=8", "R7C2=4", "R7C8=7", "R6C4=8", "R3C5=4", "R2C1=2", "R0C1=7", "R3C1=3", "R1C5=2", "R3C2=9", "R4C4=9", "R0C8=2", "R6C0=7", "R0C7=9", "R0C5=3", "R8C1=9", "R6C2=2", "R0C2=6", "R5C0=8", "R8C6=8", "R0C3=8", "R7C5=9", "R4C6=4", "R2C6=3", "R4C0=6", "R4C7=5", "R2C8=1", "R8C7=4", "R1C6=7", "R1C3=1", "R5C5=6", "R6C7=3", "R5C4=3", "R8C2=1", "R4C1=1", "R5C2=5", "R2C5=5" ]
186
000209008040000769680100500300010007576000980000005230002403000053870002090600014
735269148241538769689147523328916457576324981914785236162493875453871692897652314
backtracking
[ "R4C3=3", "R0C1=3", "R8C6=3", "R5C0=9", "R1C4=3", "R8C2=7", "R3C6=4", "R1C5=8", "R3C5=6", "R7C6=6", "R3C1=2", "R2C8=3", "R6C7=7", "R2C2=9", "R0C0=7", "R8C5=2", "R1C3=5", "R8C0=8", "R3C3=9", "R8C4=5", "R0C7=4", "R3C7=5", "R4C8=1", "R7C0=4", "R0C2=5", "R6C1=6", "R3C2=8", "R1C2=1", "R0C6=1", "R5C2=4", "R0C4=6", "R5C1=1", "R7C5=1", "R6C4=9", "R6C0=1", "R5C4=8", "R6C6=8", "R2C5=7", "R7C7=9", "R5C8=6", "R4C5=4", "R2C4=4", "R6C8=5", "R5C3=7", "R1C0=2", "R4C4=2", "R2C7=2" ]
187
900620405032000700000803090007100206800040910090035000280007040056010080013900607
978621435132594768564873192347189256825746913691235874289367541756412389413958627
backtracking
[ "R6C6=5", "R1C4=9", "R1C7=6", "R2C1=6", "R3C5=9", "R5C3=2", "R7C8=9", "R4C1=2", "R3C0=3", "R2C2=4", "R8C0=4", "R4C3=7", "R8C4=5", "R7C6=3", "R5C7=7", "R3C1=4", "R7C5=2", "R6C3=3", "R6C8=1", "R5C6=8", "R0C5=1", "R0C1=7", "R5C0=6", "R2C4=7", "R1C5=4", "R2C8=2", "R4C5=6", "R1C0=1", "R6C4=6", "R1C3=5", "R3C4=8", "R1C8=8", "R2C6=1", "R4C8=3", "R0C7=3", "R8C7=2", "R6C2=9", "R7C3=4", "R3C7=5", "R0C2=8", "R7C0=7", "R4C2=5", "R2C0=5", "R8C5=8", "R5C2=1", "R5C8=4" ]
188
040007502021000003003005680200090014107060850090300000300070020400800906006009408
648137592521986743973245681265798314137462859894351267389674125452813976716529438
backtracking
[ "R6C6=1", "R3C5=8", "R7C1=5", "R8C1=1", "R5C4=5", "R4C3=4", "R1C3=9", "R5C5=1", "R3C6=3", "R2C3=2", "R4C1=3", "R0C3=1", "R2C8=1", "R7C5=3", "R1C7=4", "R3C2=5", "R7C2=2", "R2C0=9", "R3C1=6", "R1C4=8", "R0C7=9", "R8C3=5", "R6C2=9", "R5C8=7", "R5C0=8", "R1C5=6", "R7C7=7", "R8C7=3", "R6C3=6", "R6C5=4", "R8C0=7", "R5C6=2", "R2C1=7", "R5C2=4", "R1C0=5", "R4C5=2", "R2C4=4", "R6C1=8", "R1C6=7", "R4C8=9", "R0C2=8", "R8C4=2", "R3C3=7", "R0C4=3", "R0C0=6", "R6C8=5", "R5C7=6", "R7C4=1" ]
189
083000120000203050400010060098020400640309700005001200009640083030000000206807001
583964127961273854427518369198726435642359718375481296719642583834195672256837941
constraint_programming
[ "R6C6=5", "R5C1=7", "R0C8=7", "R0C5=4", "R8C1=5", "R7C5=5", "R4C8=8", "R5C7=9", "R3C0=1", "R1C1=6", "R0C4=6", "R2C3=5", "R5C4=8", "R6C1=1", "R4C7=1", "R3C5=6", "R2C5=8", "R4C4=5", "R0C3=9", "R7C6=6", "R2C2=7", "R8C6=9", "R7C8=2", "R2C1=2", "R1C2=1", "R8C4=3", "R5C8=6", "R7C7=7", "R1C8=4", "R4C2=2", "R5C0=3", "R6C0=7", "R7C4=9", "R7C3=1", "R8C7=4", "R6C5=2", "R5C3=4", "R2C6=3", "R7C0=8", "R7C2=4", "R3C3=7", "R1C6=8", "R3C7=3", "R1C0=9", "R1C4=7", "R0C0=5", "R2C8=9", "R3C8=5" ]
190
060305009040000571102000600201030000005000804830076090006084300907000020080107050
768315249349862571152749683291438765675291834834576192526984317917653428483127956
backtracking
[ "R1C2=9", "R3C6=7", "R5C2=4", "R8C8=6", "R5C6=1", "R4C1=7", "R2C8=3", "R8C6=9", "R4C0=6", "R2C7=8", "R0C4=1", "R4C4=9", "R0C7=4", "R6C0=5", "R3C8=5", "R1C4=6", "R8C2=3", "R5C3=5", "R7C4=5", "R0C6=2", "R2C3=7", "R8C4=2", "R3C1=9", "R4C7=3", "R0C0=7", "R2C4=4", "R7C1=1", "R0C2=8", "R6C3=9", "R3C3=4", "R6C1=2", "R2C5=9", "R7C8=8", "R7C6=4", "R3C5=8", "R7C5=3", "R7C3=6", "R1C5=2", "R1C0=3", "R3C7=6", "R6C7=1", "R4C5=1", "R5C8=2", "R6C8=7", "R2C1=5", "R8C0=4", "R1C3=8", "R4C3=2" ]
191
014300020005006009000700810000000260100280745500040081027100000609020030830907050
714398526285416379396752814948571263163289745572643981427135698659824137831967452
backtracking
[ "R1C4=1", "R3C4=7", "R0C0=7", "R5C3=6", "R0C4=9", "R4C5=9", "R6C7=9", "R3C5=1", "R4C2=3", "R3C8=3", "R0C5=8", "R7C8=7", "R2C5=2", "R7C1=5", "R6C8=8", "R7C5=4", "R1C6=3", "R8C6=4", "R4C1=6", "R5C1=7", "R3C2=8", "R1C3=4", "R6C4=3", "R6C5=5", "R7C3=8", "R8C2=1", "R5C5=3", "R1C0=2", "R5C2=2", "R1C7=7", "R7C6=1", "R3C3=5", "R2C2=6", "R0C6=5", "R3C1=4", "R5C6=9", "R2C4=5", "R6C6=6", "R8C8=2", "R3C0=9", "R6C0=4", "R2C0=3", "R0C8=6", "R8C4=6", "R2C1=9", "R2C8=4", "R1C1=8" ]
192
009080040200000008000604501380700004067005000500003012050100096400038070070200403
619582347245371968738694521382719654167425839594863712853147296426938175971256483
backtracking
[ "R5C3=8", "R8C5=6", "R0C5=2", "R7C2=6", "R7C8=5", "R3C7=5", "R2C0=7", "R5C4=6", "R6C6=2", "R4C4=2", "R3C4=1", "R1C4=7", "R0C0=6", "R8C4=5", "R7C1=2", "R7C6=1", "R5C1=9", "R6C5=7", "R2C4=9", "R1C7=6", "R4C0=1", "R0C3=5", "R2C2=8", "R2C7=2", "R3C5=9", "R6C0=8", "R6C4=4", "R4C8=9", "R7C3=9", "R4C7=3", "R6C2=3", "R0C8=7", "R8C2=1", "R4C6=8", "R3C2=2", "R5C6=7", "R5C2=4", "R1C5=1", "R1C1=4", "R0C1=1", "R1C2=5", "R0C6=3", "R3C6=6", "R4C3=4", "R1C6=9", "R8C0=9", "R8C7=8", "R1C3=3", "R2C1=3" ]
193
002003080400280007050006091900065100140020760000700800000890025300104600570000004
792513486461289537853476291987365142145928763236741859614897325329154678578632914
backtracking
[ "R3C8=2", "R8C6=9", "R2C4=7", "R5C5=1", "R5C7=5", "R6C5=7", "R3C3=3", "R2C0=8", "R7C1=2", "R0C1=9", "R2C3=4", "R0C3=5", "R7C2=9", "R3C2=7", "R3C7=4", "R2C2=3", "R8C2=8", "R2C6=2", "R1C2=1", "R3C1=8", "R5C4=4", "R5C1=3", "R7C4=5", "R5C2=6", "R0C8=6", "R1C5=9", "R6C2=4", "R8C4=3", "R8C7=1", "R5C8=9", "R5C0=2", "R4C3=9", "R6C1=1", "R8C3=6", "R0C6=4", "R7C7=7", "R0C0=7", "R0C4=1", "R1C1=6", "R4C8=3", "R1C7=3", "R8C5=2", "R6C6=3", "R1C6=5", "R4C5=8", "R6C0=6", "R4C2=5", "R7C8=8" ]
194
300000002802901670090700805005002004601074200009608000010045000070800001064300950
357486192842951673196723845785192364631574289429638517918245736573869421264317958
backtracking
[ "R0C3=4", "R0C2=7", "R4C1=3", "R7C5=9", "R8C5=7", "R6C3=2", "R2C4=2", "R3C0=7", "R8C8=8", "R5C1=2", "R4C8=9", "R3C4=9", "R0C7=9", "R8C4=1", "R8C0=2", "R2C0=1", "R3C7=6", "R6C6=7", "R6C8=6", "R3C1=8", "R2C7=4", "R6C0=9", "R5C8=7", "R4C7=8", "R7C0=5", "R7C6=4", "R5C0=4", "R7C7=2", "R5C6=5", "R1C4=5", "R0C5=6", "R2C5=3", "R5C7=1", "R0C4=8", "R0C6=1", "R3C3=1", "R2C2=6", "R3C6=3", "R1C1=4", "R6C7=3", "R0C1=5", "R7C4=6", "R7C2=3", "R6C2=8", "R4C3=5", "R5C4=3", "R1C8=3" ]
195
906073000580000400030002001050089600008200503400610700820700050040000309000196008
916473825582961437734852961257389614168247593493615782829734156641528379375196248
backtracking
[ "R7C0=6", "R7C3=5", "R5C8=2", "R2C0=7", "R6C4=3", "R8C6=2", "R5C5=5", "R8C0=3", "R8C2=5", "R4C0=1", "R1C4=6", "R1C2=2", "R5C1=9", "R4C4=4", "R5C7=8", "R6C6=1", "R2C2=4", "R7C7=7", "R8C1=7", "R2C4=5", "R0C8=5", "R3C7=1", "R2C6=9", "R1C8=7", "R2C7=6", "R5C2=3", "R6C8=6", "R1C3=9", "R3C2=7", "R3C3=3", "R2C3=8", "R7C4=2", "R4C7=9", "R1C5=1", "R4C1=6", "R6C5=4", "R3C8=4", "R1C7=3", "R0C3=4", "R3C0=2", "R4C5=7", "R0C7=2", "R0C1=1", "R6C2=9", "R7C2=1", "R0C6=8", "R8C7=4", "R7C5=8" ]
196
500012480000900000006080027080093260000800000432705100060000970027300014014009506
573612489248937651196584327781493265659821743432765198365148972927356814814279536
constraint_programming
[ "R5C4=6", "R6C5=8", "R4C7=4", "R6C2=5", "R2C1=9", "R5C8=8", "R1C2=8", "R1C0=2", "R1C5=7", "R1C1=4", "R2C5=4", "R4C2=9", "R3C0=7", "R6C3=1", "R3C2=1", "R2C6=3", "R0C3=6", "R1C4=3", "R4C8=3", "R4C6=7", "R4C4=2", "R0C2=3", "R8C4=7", "R6C8=2", "R3C3=4", "R7C0=9", "R8C7=3", "R7C5=6", "R6C4=4", "R6C0=3", "R3C8=5", "R1C6=6", "R1C8=1", "R1C7=5", "R7C4=5", "R4C1=5", "R2C3=5", "R4C5=1", "R8C3=2", "R0C1=7", "R5C7=9", "R4C0=6", "R2C0=1", "R8C0=8", "R0C8=9", "R7C6=8" ]
197
004000602560200840000009005010054029092380000000001470000832701600100000800746903
134578692569213847287469135718654329492387516356921478945832761673195284821746953
backtracking
[ "R4C0=4", "R2C3=4", "R0C5=8", "R5C1=5", "R2C6=1", "R3C0=7", "R4C5=7", "R7C8=4", "R1C2=9", "R5C2=6", "R5C8=8", "R4C6=5", "R6C7=6", "R5C3=9", "R2C1=8", "R2C7=3", "R7C7=8", "R2C2=7", "R0C3=5", "R8C2=1", "R7C1=7", "R3C3=6", "R4C8=6", "R7C2=3", "R4C7=1", "R6C0=9", "R5C4=2", "R6C2=5", "R1C5=3", "R3C2=8", "R3C6=3", "R7C6=2", "R2C0=2", "R5C0=3", "R0C7=9", "R1C4=1", "R7C5=5", "R2C4=6", "R8C7=5", "R7C4=9", "R0C1=3", "R0C4=7", "R8C1=2", "R0C0=1", "R6C1=4", "R1C8=7" ]
198
400056030010903800500040020000008000020305087009071460680704095200010300073000100
492856731716923854538147629367498512124365987859271463681734295245619378973582146
constraint_programming
[ "R8C3=5", "R8C4=8", "R2C5=7", "R2C2=8", "R7C2=5", "R4C2=4", "R3C6=5", "R5C8=3", "R3C0=3", "R8C5=2", "R0C2=2", "R0C6=7", "R2C1=3", "R0C8=1", "R0C3=8", "R8C7=4", "R3C8=2", "R6C2=1", "R4C0=1", "R4C6=9", "R7C8=8", "R3C3=4", "R6C6=2", "R7C7=7", "R3C4=9", "R7C1=4", "R1C8=4", "R3C7=1", "R5C0=8", "R5C3=2", "R7C3=6", "R8C0=9", "R5C1=5", "R1C0=7", "R1C7=5", "R2C6=6", "R2C3=1", "R0C1=9", "R4C4=6", "R1C2=6", "R3C2=7", "R8C8=6", "R2C8=9", "R1C4=2", "R7C5=9", "R3C1=6", "R6C4=3" ]
199
008500300570000090000200106090360002084005009700018543040076000000093201960000780
618549327572631498439287156195364872384725619726918543241876935857493261963152784
constraint_programming
[ "R6C3=8", "R8C3=1", "R7C7=6", "R2C1=3", "R3C7=7", "R4C4=2", "R6C7=3", "R0C7=2", "R2C4=8", "R0C5=9", "R3C6=8", "R2C0=4", "R1C5=1", "R8C8=4", "R0C8=7", "R1C6=4", "R8C5=2", "R2C7=5", "R7C1=5", "R4C0=3", "R8C2=3", "R2C5=7", "R4C6=6", "R1C8=8", "R1C4=3", "R5C3=9", "R4C7=1", "R0C0=6", "R8C4=5", "R1C2=2", "R0C1=1", "R5C1=2", "R6C2=1", "R6C0=2", "R4C3=7", "R5C2=6", "R3C0=1", "R6C6=9", "R7C0=8", "R7C2=7", "R2C2=9", "R1C3=6", "R0C4=4", "R3C2=5", "R6C8=5", "R3C5=4", "R7C3=4" ]