Datasets:
nakashi104
/
sudoku-1million

Dataset card Data Studio Files Community
1
id
int64
0
1,000k
quizzes
stringlengths
81
81
solutions
stringlengths
81
81
method
stringclasses
2 values
steps
sequencelengths
44
52
1,400
065702000008060920020403001700310040210050693000000005000009108340000200800100076
165792384438561927927483561759316842214857693683924715576249138341678259892135476
backtracking
[ "R5C5=4", "R0C7=8", "R0C6=3", "R6C7=3", "R7C3=6", "R6C0=5", "R1C3=5", "R6C4=4", "R3C5=6", "R1C8=7", "R0C4=9", "R8C2=2", "R3C2=9", "R6C3=2", "R3C6=8", "R3C1=5", "R1C5=1", "R7C7=5", "R4C2=4", "R5C6=7", "R5C3=9", "R2C4=8", "R4C5=7", "R6C1=7", "R6C2=6", "R8C5=5", "R4C3=8", "R8C1=9", "R1C1=3", "R7C2=1", "R2C2=7", "R0C0=1", "R2C6=5", "R5C0=6", "R7C5=8", "R7C4=7", "R8C4=3", "R5C2=3", "R3C8=2", "R8C6=4", "R1C0=4", "R2C0=9", "R2C7=6", "R5C7=1", "R7C8=9", "R5C1=8", "R5C4=2", "R0C8=4" ]
1,401
700004058010020040200098601940705003051000020000030000079150460060002100005080930
796314258518627349234598671942765813351849726687231594879153462463972185125486937
backtracking
[ "R2C2=4", "R6C8=2", "R7C8=5", "R7C0=4", "R1C5=7", "R0C6=2", "R6C0=8", "R4C0=3", "R6C5=3", "R7C2=3", "R1C6=3", "R8C3=4", "R5C2=7", "R0C3=3", "R1C3=6", "R0C2=6", "R7C3=9", "R5C1=8", "R2C3=5", "R4C5=9", "R3C4=6", "R5C6=5", "R8C8=7", "R2C7=7", "R4C8=6", "R8C0=1", "R4C3=8", "R5C7=9", "R8C5=6", "R4C6=7", "R1C8=9", "R7C7=8", "R5C5=1", "R5C3=2", "R5C0=6", "R4C4=4", "R2C1=3", "R8C1=2", "R3C6=8", "R5C8=4", "R3C2=2", "R7C4=7", "R3C7=1", "R1C2=8", "R1C0=5", "R0C4=1", "R0C1=9" ]
1,402
007080309020160058350000001516004027800070000040000190030056002200030600000900080
167285349924163758358749261516394827892671534743528196431856972289437615675912483
backtracking
[ "R2C3=7", "R1C5=3", "R6C0=4", "R4C6=5", "R8C8=3", "R7C2=9", "R1C6=7", "R6C6=9", "R0C3=2", "R2C7=6", "R2C2=8", "R2C6=2", "R4C8=4", "R8C2=5", "R3C4=9", "R4C2=2", "R6C3=8", "R5C5=8", "R3C3=3", "R6C2=1", "R0C0=1", "R0C7=4", "R7C1=8", "R7C7=1", "R3C6=8", "R4C5=1", "R0C5=5", "R4C1=9", "R8C4=1", "R7C8=5", "R8C5=2", "R8C0=6", "R6C7=7", "R5C2=3", "R5C0=7", "R5C4=2", "R5C3=5", "R2C5=9", "R7C3=4", "R1C0=9", "R4C7=3", "R8C1=7", "R5C8=6", "R0C1=6", "R8C6=4", "R2C4=4", "R4C3=6", "R7C5=7", "R1C2=4" ]
1,403
470052600200006030080007010609010720030040008040075090507000800060003900091080205
473152689215896437986437512659318724732649158148275396527961843864523971391784265
backtracking
[ "R4C3=6", "R7C4=2", "R1C4=9", "R6C7=4", "R6C8=3", "R7C7=7", "R2C6=5", "R6C4=6", "R5C6=3", "R7C8=1", "R1C2=5", "R3C8=4", "R7C0=8", "R1C3=8", "R2C4=3", "R3C5=8", "R2C8=2", "R7C2=4", "R8C5=4", "R5C2=8", "R6C1=2", "R5C8=6", "R5C0=1", "R6C3=9", "R0C2=3", "R4C0=7", "R2C0=9", "R2C3=4", "R2C2=6", "R4C6=1", "R4C2=2", "R7C3=5", "R4C7=5", "R5C3=2", "R1C1=1", "R8C0=3", "R1C6=4", "R1C8=7", "R3C1=5", "R4C5=9", "R8C3=7", "R8C7=6", "R0C8=9", "R0C3=1", "R6C5=1", "R3C3=3", "R0C7=8" ]
1,404
000006080194380070060091504809400610501002700730500000607000108080050009000020400
375246981194385276268791534829473615541862793736519842657934128482157369913628457
constraint_programming
[ "R7C7=6", "R8C2=3", "R3C1=2", "R5C4=1", "R2C2=8", "R0C4=4", "R2C7=3", "R5C5=9", "R5C2=6", "R0C0=3", "R6C7=2", "R5C8=2", "R7C5=7", "R5C7=4", "R6C3=9", "R4C7=9", "R1C5=5", "R8C5=8", "R2C3=7", "R8C8=7", "R7C6=3", "R3C8=5", "R3C5=3", "R8C3=6", "R1C6=2", "R4C8=3", "R4C4=6", "R7C3=1", "R0C1=7", "R8C7=5", "R7C0=4", "R8C1=1", "R2C0=2", "R4C1=4", "R6C5=4", "R3C4=7", "R0C3=2", "R6C1=5", "R0C2=5", "R0C6=9", "R4C3=8", "R5C6=8", "R6C4=3", "R8C0=9", "R0C8=1", "R7C2=2", "R1C8=6" ]
1,405
100008005604900700802500934060305800009760013040091000030004072700009108000200050
193478265654923781872516934261345897589762413347891526938154672725639148416287359
backtracking
[ "R8C0=4", "R1C5=3", "R6C4=5", "R8C8=9", "R0C3=4", "R7C2=5", "R5C8=6", "R6C3=1", "R2C5=6", "R0C7=6", "R7C3=6", "R8C6=3", "R8C4=8", "R2C1=7", "R5C0=3", "R0C2=3", "R5C3=8", "R0C4=7", "R3C0=2", "R4C6=4", "R4C5=2", "R0C6=2", "R2C4=1", "R8C1=1", "R7C4=3", "R4C0=5", "R5C2=7", "R6C2=8", "R1C1=5", "R6C0=9", "R7C7=4", "R0C1=9", "R1C8=1", "R6C6=6", "R3C2=1", "R1C7=8", "R8C2=6", "R7C1=2", "R5C6=5", "R8C5=7", "R3C8=7", "R4C1=8", "R1C4=2", "R3C7=9", "R3C4=4", "R5C7=2" ]
1,406
407010009000082510520006030005007302016400008730805400072608003004000080100390006
487513629693782514521946837845167392216439758739825461972658143364271985158394276
constraint_programming
[ "R1C2=3", "R4C0=2", "R4C4=3", "R0C5=3", "R8C2=8", "R1C3=7", "R8C7=7", "R2C2=1", "R6C0=9", "R2C8=7", "R3C7=9", "R0C3=5", "R7C0=3", "R3C4=6", "R8C6=2", "R6C6=1", "R5C4=2", "R5C7=6", "R7C4=7", "R0C7=2", "R5C8=1", "R6C7=4", "R3C1=4", "R0C1=8", "R1C1=9", "R7C1=6", "R3C3=1", "R4C7=5", "R1C8=4", "R1C0=6", "R3C0=8", "R7C6=9", "R7C5=1", "R4C5=9", "R5C2=9", "R8C1=5", "R2C3=9", "R7C8=5", "R0C6=6", "R6C4=5", "R8C5=4", "R2C4=4", "R4C6=7", "R7C3=2", "R2C6=8" ]
1,407
000659003000010046079200080000000070210043008450720300046000095500008207030091800
184659723325817946679234581963185472217943658458726319846372195591468237732591864
backtracking
[ "R2C0=6", "R3C3=1", "R1C1=2", "R6C6=1", "R2C5=4", "R4C7=5", "R8C8=4", "R4C6=6", "R1C6=9", "R5C7=1", "R0C0=1", "R8C3=5", "R6C4=7", "R1C0=3", "R2C4=3", "R8C7=6", "R6C3=3", "R7C3=4", "R0C2=4", "R1C5=7", "R1C2=5", "R3C8=2", "R7C2=1", "R3C6=4", "R3C4=8", "R7C4=6", "R5C2=8", "R0C7=2", "R4C2=7", "R5C5=6", "R8C2=2", "R3C2=3", "R0C6=7", "R3C0=9", "R7C1=9", "R2C8=1", "R8C0=7", "R6C0=8", "R0C1=8", "R6C5=2", "R3C1=6", "R5C8=9", "R7C7=3", "R4C3=9", "R2C6=5", "R1C3=8", "R3C5=5" ]
1,408
900000200006003084001250000470190605000504070100060800205030000089010007704680930
937841256526973184841256793473198625698524371152367849265739418389412567714685932
backtracking
[ "R5C1=5", "R1C1=2", "R8C5=5", "R7C3=4", "R6C7=1", "R5C3=3", "R5C2=2", "R6C5=9", "R0C2=7", "R3C7=2", "R5C8=9", "R7C7=6", "R6C6=4", "R4C1=9", "R4C6=3", "R2C7=9", "R7C0=3", "R4C8=1", "R1C0=5", "R2C8=3", "R7C5=2", "R0C1=3", "R1C3=9", "R4C0=6", "R0C5=1", "R1C4=7", "R6C3=7", "R2C5=6", "R0C8=6", "R3C2=3", "R0C4=4", "R2C1=4", "R4C4=2", "R4C2=8", "R8C8=2", "R0C7=5", "R3C5=8", "R6C8=8", "R0C3=8", "R2C6=7", "R6C1=6", "R1C6=1", "R8C1=1", "R5C5=7", "R2C0=8", "R7C6=5", "R5C7=4" ]
1,409
780403010060700003005169400000900001170030549046008000300000702002001890000020005
789453216461782953235169478523947681178236549946518327314895762652371894897624135
backtracking
[ "R6C5=5", "R5C3=5", "R5C8=7", "R6C3=8", "R1C5=2", "R8C0=8", "R1C6=9", "R7C4=7", "R5C4=1", "R3C4=4", "R0C8=6", "R2C1=3", "R3C5=7", "R4C2=8", "R0C4=5", "R5C0=9", "R8C1=9", "R3C2=3", "R8C2=7", "R8C7=3", "R1C4=8", "R4C3=2", "R7C3=3", "R2C8=8", "R3C7=8", "R8C5=4", "R1C7=5", "R0C2=9", "R3C6=6", "R1C0=4", "R4C5=6", "R7C8=4", "R8C6=1", "R6C2=4", "R6C7=6", "R2C0=2", "R1C2=1", "R5C7=2", "R2C7=7", "R7C0=6", "R6C4=9", "R3C0=5", "R0C6=2", "R7C1=5", "R5C6=3", "R3C1=2", "R6C1=1", "R8C3=6" ]
1,410
000076501900800002047190003790000000035900180086000750002015000610040200400308600
823476591961853472547192863794581326235967184186234759372615948618749235459328617
backtracking
[ "R2C0=5", "R8C4=2", "R0C1=2", "R6C1=7", "R5C8=9", "R4C4=6", "R0C0=8", "R3C5=1", "R3C8=6", "R7C8=5", "R1C4=5", "R8C2=9", "R1C1=6", "R1C6=4", "R6C6=9", "R6C0=3", "R8C8=7", "R5C5=4", "R5C3=2", "R1C2=1", "R7C7=3", "R0C7=9", "R1C5=3", "R3C4=8", "R0C3=4", "R4C0=2", "R8C1=5", "R2C7=6", "R6C3=6", "R2C5=2", "R3C2=4", "R6C8=8", "R4C8=4", "R7C5=9", "R8C7=1", "R1C7=7", "R7C3=7", "R7C2=8", "R3C7=2", "R0C2=3", "R5C4=3", "R3C3=5", "R3C6=3", "R6C7=4", "R4C5=7", "R2C6=8", "R5C0=1" ]
1,411
149076200038000061000380000090007050080020400207035080000013025500940007016700900
149576238738294561652381794491867352385129476267435189974613825523948617816752943
backtracking
[ "R4C3=1", "R2C2=2", "R7C5=8", "R6C2=4", "R0C7=3", "R1C0=7", "R0C8=8", "R3C3=8", "R8C7=4", "R2C1=5", "R6C6=8", "R0C3=5", "R4C2=5", "R3C0=4", "R7C6=6", "R7C2=3", "R8C8=3", "R5C3=4", "R3C4=6", "R7C7=1", "R2C0=6", "R5C6=1", "R6C1=7", "R6C3=6", "R8C4=5", "R2C8=4", "R3C6=3", "R4C5=9", "R8C5=2", "R4C0=3", "R6C0=9", "R2C5=1", "R2C7=9", "R4C8=6", "R2C6=7", "R3C2=1", "R1C4=9", "R3C8=2", "R7C1=2", "R5C1=6", "R1C5=4", "R4C7=7", "R5C8=9", "R1C3=2", "R1C6=5", "R8C0=8" ]
1,412
060900008031060720004208053007080004000109270620043100406070000510000800003004900
265937418831465729974218653157682394348159276629743185496871532512396847783524961
constraint_programming
[ "R6C7=3", "R7C2=2", "R3C0=1", "R4C8=6", "R1C8=9", "R2C4=1", "R5C8=5", "R3C3=6", "R0C7=1", "R1C3=4", "R3C1=5", "R8C7=6", "R6C3=8", "R8C1=8", "R5C7=8", "R5C2=9", "R6C8=2", "R1C0=8", "R2C0=9", "R0C6=4", "R4C0=3", "R8C4=2", "R7C8=7", "R8C3=5", "R1C5=5", "R6C5=1", "R8C0=7", "R2C1=7", "R7C7=4", "R4C4=5", "R2C6=6", "R4C1=4", "R7C3=3", "R3C5=2", "R5C3=7", "R4C2=8", "R0C4=3", "R3C6=3", "R6C1=9", "R6C6=5", "R3C7=9", "R7C5=6", "R8C8=1", "R0C5=7", "R0C2=5", "R0C0=2", "R7C4=9" ]
1,413
003005000000209360010078500005701830001520006940000020870610000504080002006403790
493165287758249361612378549265791834381524976947836125879612453534987612126453798
backtracking
[ "R3C4=9", "R0C7=8", "R7C1=3", "R2C8=9", "R7C3=9", "R8C8=8", "R0C1=9", "R1C2=8", "R0C6=2", "R4C1=8", "R5C8=5", "R0C3=1", "R6C8=3", "R0C4=6", "R7C5=7", "R2C7=4", "R3C1=6", "R6C6=4", "R1C4=4", "R3C0=2", "R1C0=7", "R3C8=4", "R4C7=7", "R6C2=9", "R2C3=3", "R2C2=2", "R0C0=4", "R5C4=3", "R5C2=7", "R8C1=2", "R2C0=6", "R1C8=1", "R0C8=7", "R5C6=1", "R7C7=1", "R5C5=6", "R4C6=9", "R6C5=2", "R4C0=3", "R7C6=6", "R6C7=5", "R8C0=1", "R8C4=5", "R4C5=4", "R5C3=8", "R1C1=5" ]
1,414
700603850090740000020100030506080200010905700003002510207506140004030900860000000
741623859395748621628159437576381294412965783983472516237596148154837962869214375
backtracking
[ "R0C2=1", "R4C2=2", "R1C6=6", "R4C7=8", "R6C4=9", "R2C5=9", "R7C1=5", "R2C2=8", "R2C4=5", "R3C3=3", "R8C5=4", "R4C8=3", "R3C8=4", "R5C4=7", "R8C6=3", "R8C3=2", "R5C1=8", "R4C4=6", "R5C3=4", "R6C1=3", "R1C0=3", "R4C0=4", "R1C8=1", "R8C4=1", "R1C2=5", "R0C1=4", "R2C8=7", "R2C6=4", "R0C4=2", "R8C8=5", "R7C5=7", "R6C8=8", "R3C7=9", "R8C2=9", "R7C7=6", "R5C8=6", "R3C1=7", "R3C5=1", "R7C0=1", "R1C7=2", "R1C5=8", "R7C8=2", "R8C7=7", "R5C0=9", "R2C0=6", "R7C3=8", "R0C8=9" ]
1,415
400070300090503800060210090008030502700006903029804001800402007100000060045700200
481679325297543816563218794618937542754126983329854671836492157172385469945761238
constraint_programming
[ "R4C1=5", "R8C4=6", "R7C3=3", "R7C2=2", "R7C6=4", "R7C1=7", "R4C7=8", "R6C2=6", "R5C4=5", "R4C3=1", "R5C6=6", "R0C7=2", "R3C3=9", "R5C7=7", "R0C2=1", "R6C6=1", "R0C5=9", "R0C1=8", "R3C0=6", "R1C7=1", "R1C8=6", "R1C0=2", "R8C5=1", "R3C5=7", "R8C0=9", "R3C1=1", "R7C5=5", "R1C2=7", "R1C4=4", "R6C1=3", "R2C2=3", "R2C6=7", "R0C3=6", "R2C8=4", "R6C4=9", "R4C2=4", "R5C0=3", "R6C7=5", "R4C4=2", "R0C8=5", "R8C7=3", "R7C8=9", "R3C7=4", "R8C8=8", "R7C4=8", "R2C0=5", "R2C5=8" ]
1,416
040003080208950107005200060800760419004020700090008003700090040003016000451000200
149673582268954137375281964832765419614329758597148623786592341923416875451837296
backtracking
[ "R2C4=8", "R7C8=5", "R7C7=7", "R3C2=2", "R8C8=6", "R8C4=3", "R0C2=9", "R1C7=3", "R3C1=3", "R4C5=9", "R5C7=2", "R6C5=2", "R8C7=9", "R6C3=5", "R0C4=7", "R8C5=7", "R5C4=4", "R2C5=1", "R0C6=5", "R0C3=6", "R1C1=6", "R4C7=5", "R2C8=4", "R5C6=6", "R2C6=9", "R4C1=1", "R6C1=8", "R6C8=1", "R2C0=3", "R4C3=3", "R7C6=8", "R4C8=8", "R7C1=2", "R5C2=7", "R5C0=5", "R7C0=9", "R3C5=5", "R8C3=8", "R6C2=6", "R6C6=3", "R4C0=6", "R2C1=7", "R0C8=2", "R1C5=4", "R5C3=1", "R7C3=4", "R0C0=1" ]
1,417
450000008700602049600000710000010300080007400010903072005190030290008006003075000
459731628731682549628459713972814365386527491514963872845196237297348156163275984
backtracking
[ "R7C3=3", "R7C7=5", "R1C6=5", "R2C3=4", "R0C2=9", "R5C6=8", "R8C3=2", "R3C3=8", "R5C4=6", "R8C7=8", "R2C4=5", "R6C5=6", "R7C6=1", "R8C8=4", "R6C1=4", "R2C5=9", "R3C7=6", "R6C8=7", "R8C1=6", "R4C2=6", "R3C5=4", "R0C5=1", "R0C3=7", "R1C2=1", "R3C8=5", "R4C4=2", "R2C8=3", "R5C2=4", "R6C0=8", "R2C2=8", "R0C4=3", "R3C0=9", "R0C6=6", "R3C1=7", "R2C1=2", "R3C2=2", "R7C4=4", "R4C8=1", "R4C7=9", "R7C2=7", "R1C1=3", "R4C0=3", "R5C0=5", "R4C3=5", "R6C6=2", "R0C7=2", "R8C0=1", "R8C6=9", "R1C4=8" ]
1,418
040030025001240080050000060910057306008000000004060270000010900079083050320706004
847639125691245783253178469912857346768324591534961278486512937179483652325796814
backtracking
[ "R7C8=2", "R3C2=2", "R7C0=1", "R5C1=3", "R4C1=6", "R6C2=6", "R4C0=7", "R6C5=2", "R6C8=7", "R4C8=1", "R1C0=6", "R6C3=5", "R0C6=1", "R8C4=9", "R6C1=8", "R1C1=9", "R0C0=8", "R2C3=1", "R0C2=7", "R6C7=3", "R2C2=3", "R5C0=5", "R4C7=9", "R0C3=6", "R6C0=4", "R2C8=9", "R5C3=9", "R4C3=3", "R5C5=1", "R4C4=2", "R2C4=7", "R7C3=4", "R8C6=8", "R3C3=8", "R3C7=4", "R8C7=1", "R4C6=5", "R2C6=4", "R1C6=7", "R2C0=2", "R0C5=9", "R5C8=8", "R8C2=5", "R1C5=5", "R2C5=8", "R1C8=3", "R4C5=4", "R7C6=6" ]
1,419
071009082053700090004001000040052807260980400000104000005060008790400020000300671
671549382853726194924831756149652837267983415538174269315267948796418523482395671
backtracking
[ "R4C2=7", "R8C5=5", "R7C4=1", "R4C7=1", "R7C8=3", "R7C6=5", "R8C2=2", "R2C7=5", "R6C5=7", "R2C1=2", "R3C2=9", "R5C6=2", "R2C0=9", "R0C3=5", "R1C4=2", "R6C6=9", "R1C0=8", "R4C5=3", "R6C7=4", "R8C4=9", "R3C3=6", "R1C6=1", "R3C7=3", "R6C1=1", "R1C8=4", "R5C7=6", "R4C8=5", "R1C5=6", "R5C8=9", "R7C2=6", "R2C6=7", "R6C0=3", "R5C4=7", "R2C3=8", "R7C5=8", "R8C1=8", "R3C0=1", "R5C0=5", "R0C0=6", "R2C4=3", "R0C4=4", "R8C0=4", "R6C3=2", "R2C8=6", "R5C1=3", "R0C6=3", "R5C2=8" ]
1,420
400205000001090000809010273210030605700024009045800000000900780380042090002670100
473285961621397458859416273218739645736524819945861327164953782387142596592678134
backtracking
[ "R8C8=4", "R1C7=5", "R3C7=4", "R5C0=9", "R0C8=1", "R8C0=5", "R6C0=1", "R1C5=7", "R6C5=3", "R2C1=5", "R6C2=4", "R7C2=7", "R0C6=9", "R2C5=6", "R3C2=8", "R5C8=7", "R7C6=5", "R3C3=7", "R0C4=8", "R1C6=4", "R6C1=6", "R4C1=3", "R0C1=7", "R4C2=6", "R8C5=8", "R4C7=1", "R6C4=5", "R5C5=1", "R1C8=8", "R7C3=1", "R7C8=6", "R1C3=3", "R3C5=9", "R2C3=4", "R6C8=2", "R0C2=3", "R8C7=3", "R4C6=8", "R8C1=9", "R5C4=6", "R4C3=5", "R5C7=2", "R5C6=3", "R0C7=6", "R1C0=6", "R1C1=2" ]
1,421
290007801807204005605800030430072000000560920009000300358001060100490000060000702
293657841817234695645819237436972158781563924529148376358721469172496583964385712
backtracking
[ "R7C8=3", "R3C8=8", "R2C1=4", "R5C5=8", "R3C3=9", "R3C2=6", "R3C6=1", "R7C1=7", "R4C1=8", "R7C7=8", "R0C7=4", "R5C4=4", "R8C4=8", "R2C5=9", "R1C1=1", "R8C2=4", "R6C8=9", "R0C3=6", "R6C6=4", "R1C6=6", "R5C1=2", "R5C7=7", "R1C7=9", "R4C5=3", "R8C5=5", "R0C4=5", "R5C8=6", "R2C6=2", "R7C5=6", "R7C6=5", "R0C2=3", "R2C4=1", "R7C2=2", "R4C0=7", "R4C8=4", "R5C0=5", "R2C8=7", "R4C2=1", "R6C4=2", "R8C0=9", "R1C4=3", "R3C7=5", "R8C7=1", "R5C3=1", "R8C3=3", "R6C3=7" ]
1,422
050020096007804031300006000080109005105000047070000002060208170004005203098700000
851327496627894531349516728482179365135682947976453812563248179714965283298731654
backtracking
[ "R4C4=8", "R0C5=7", "R7C7=8", "R3C4=7", "R4C6=9", "R7C1=1", "R5C5=3", "R2C7=2", "R8C4=3", "R2C3=5", "R6C8=9", "R2C8=8", "R2C4=1", "R2C6=7", "R5C6=8", "R3C7=6", "R3C2=2", "R8C8=4", "R0C2=1", "R1C6=5", "R0C0=8", "R5C3=4", "R7C0=7", "R6C0=5", "R5C0=9", "R8C7=5", "R2C2=9", "R3C0=4", "R4C5=2", "R6C2=3", "R1C0=6", "R2C1=4", "R5C2=6", "R8C6=6", "R1C1=2", "R5C4=5", "R1C4=9", "R3C6=3", "R5C7=1", "R6C4=4", "R0C6=4", "R7C4=6", "R0C3=3", "R7C3=9", "R4C1=3", "R4C3=6", "R8C0=2", "R8C5=1" ]
1,423
060000010045190200800054030690003507004007800003240000518009060000030980000620700
967382415345196278821754639692813547154967823783245196518479362276531984439628751
backtracking
[ "R5C8=6", "R4C0=1", "R5C6=1", "R3C2=2", "R0C5=2", "R5C1=8", "R0C0=9", "R1C7=7", "R7C3=5", "R2C8=9", "R4C4=6", "R5C0=7", "R6C6=3", "R2C2=1", "R0C8=5", "R5C5=5", "R4C8=3", "R1C5=6", "R4C7=2", "R3C4=1", "R1C8=8", "R8C7=5", "R7C1=7", "R7C8=4", "R3C3=8", "R8C8=1", "R5C7=9", "R4C1=5", "R2C1=2", "R8C1=3", "R1C0=3", "R2C6=6", "R6C8=2", "R0C2=7", "R4C3=9", "R3C7=4", "R7C0=2", "R0C6=4", "R2C3=7", "R7C2=6", "R8C2=9", "R8C0=4", "R6C3=4", "R6C4=7", "R7C5=1", "R0C3=3", "R8C5=8", "R0C4=8" ]
1,424
400302010170400900082706005340100007029000300500003020600089040000000576035040100
456392718173458962982716435348125697729864351561973824617589243894231576235647189
constraint_programming
[ "R0C2=6", "R1C7=6", "R1C8=2", "R4C4=6", "R1C2=3", "R7C2=4", "R6C2=7", "R2C7=3", "R3C4=2", "R5C6=8", "R1C5=8", "R5C1=6", "R3C7=9", "R3C2=8", "R6C8=3", "R7C4=3", "R6C3=5", "R8C0=2", "R3C6=6", "R5C2=1", "R2C4=1", "R3C5=5", "R0C1=5", "R0C6=7", "R6C6=2", "R5C4=7", "R4C3=8", "R1C4=5", "R6C1=1", "R5C3=9", "R4C8=1", "R8C7=8", "R2C0=9", "R0C8=8", "R4C0=7", "R8C8=9", "R8C3=6", "R4C5=4", "R4C7=5", "R5C8=4", "R0C4=9", "R2C6=4", "R7C3=2", "R7C0=8", "R8C5=7", "R7C5=1", "R7C1=9" ]
1,425
904600005000720000620905007000042150540810090000000306007000080160050209409078010
974631825385724961621985437796342158543816792812597346237169584168453279459278613
backtracking
[ "R1C2=5", "R2C6=4", "R6C6=5", "R5C2=2", "R7C3=4", "R5C3=5", "R7C7=7", "R7C2=8", "R6C5=9", "R8C6=6", "R4C5=6", "R3C2=6", "R3C0=7", "R0C6=8", "R0C1=7", "R3C3=3", "R5C7=4", "R6C1=3", "R1C1=8", "R3C8=8", "R0C7=2", "R1C6=9", "R1C0=3", "R6C0=2", "R8C8=3", "R4C6=7", "R7C5=3", "R2C4=8", "R2C7=3", "R6C3=1", "R5C1=1", "R6C4=6", "R5C0=8", "R4C2=3", "R5C4=9", "R1C7=6", "R5C5=7", "R8C3=2", "R4C8=2", "R1C8=1", "R0C5=1", "R1C5=4", "R8C1=5", "R2C2=1", "R6C8=4", "R0C4=3", "R3C1=9" ]
1,426
018570000002000170050029403967050000000860907001400320620000040040703009000006008
318574692492638175756129483967352814234861957581497326623985741845713269179246538
backtracking
[ "R7C7=6", "R8C7=3", "R8C0=1", "R3C3=3", "R8C2=9", "R1C5=8", "R0C0=3", "R7C4=1", "R4C0=2", "R4C1=3", "R3C6=8", "R5C5=7", "R3C7=1", "R1C3=6", "R2C0=7", "R6C6=7", "R4C2=4", "R4C7=5", "R5C1=8", "R5C4=9", "R1C0=4", "R2C2=6", "R1C1=9", "R1C4=3", "R0C7=9", "R8C3=2", "R8C1=7", "R3C5=2", "R8C4=4", "R7C2=5", "R2C7=8", "R0C8=2", "R6C5=5", "R8C6=5", "R2C3=1", "R5C0=5", "R7C0=8", "R0C5=4", "R6C2=3", "R4C5=1", "R0C6=6", "R5C8=6", "R1C8=5", "R7C6=2", "R6C8=1", "R6C4=8", "R3C8=4", "R6C3=9" ]
1,427
010020789000030500045900106060040090039600007800500041100084005000301200687009000
316425789798136524245978136561847392439612857872593641123784965954361278687259413
backtracking
[ "R4C5=2", "R3C8=2", "R1C5=6", "R0C2=6", "R3C2=1", "R7C4=6", "R1C7=2", "R5C4=9", "R4C6=8", "R3C5=7", "R0C5=5", "R1C0=7", "R5C5=3", "R5C1=7", "R2C4=7", "R2C7=3", "R8C8=3", "R1C8=4", "R7C0=9", "R3C0=5", "R2C0=2", "R8C4=5", "R3C3=8", "R6C6=9", "R2C5=8", "R6C1=2", "R5C2=2", "R6C2=3", "R6C3=7", "R8C3=2", "R3C6=3", "R1C2=8", "R5C6=6", "R0C3=4", "R4C4=1", "R7C2=4", "R1C3=1", "R7C8=8", "R4C7=5", "R7C7=7", "R7C1=5", "R0C0=3", "R1C1=9", "R8C6=4", "R6C7=6", "R8C7=1", "R4C0=4" ]
1,428
102700060000054020034086500320901004760400005080030000890000300000010270000375809
152793468678154923934286517325961784769428135481537692897642351543819276216375849
backtracking
[ "R0C1=5", "R4C6=1", "R4C2=9", "R8C1=1", "R7C5=9", "R6C5=2", "R1C1=7", "R1C6=9", "R7C1=4", "R6C2=7", "R2C3=2", "R4C5=8", "R8C2=6", "R6C7=5", "R1C8=3", "R0C6=4", "R1C0=6", "R0C5=3", "R2C0=9", "R5C3=5", "R1C3=1", "R2C7=1", "R7C8=6", "R5C5=7", "R3C2=5", "R4C7=3", "R5C7=9", "R8C7=4", "R2C8=7", "R7C0=5", "R1C2=8", "R5C8=2", "R7C3=8", "R4C4=2", "R8C0=2", "R3C7=8", "R7C2=3", "R6C4=4", "R5C6=6", "R0C4=9", "R5C2=1", "R5C0=4", "R3C4=6", "R3C6=7", "R6C8=1", "R0C8=8", "R6C3=6" ]
1,429
000603970050200460008070005074800209100009006000435800230061000701980000060040002
412653978357298461698174325574816239183729546926435817239561784741982653865347192
constraint_programming
[ "R0C1=1", "R1C4=9", "R0C0=4", "R4C3=7", "R7C6=6", "R1C8=1", "R3C5=6", "R3C4=1", "R8C0=8", "R5C8=7", "R5C2=6", "R4C4=2", "R2C7=2", "R4C7=4", "R2C0=6", "R8C5=7", "R5C1=2", "R7C1=4", "R1C2=7", "R2C5=4", "R8C7=9", "R7C5=2", "R5C7=1", "R6C3=5", "R3C0=5", "R6C6=7", "R4C1=8", "R1C5=8", "R2C3=1", "R7C7=5", "R8C3=3", "R6C7=8", "R6C8=4", "R5C0=9", "R4C6=5", "R2C1=9", "R0C2=2", "R2C6=3", "R4C2=3", "R6C2=9", "R0C8=8", "R8C6=1", "R8C2=5", "R1C0=3", "R7C8=3", "R0C4=5", "R3C7=3" ]
1,430
406300100000060890023071050009080002370106500040007081091200000500000974800003000
486359127157462893923871456619584732378126549245937681791245368532618974864793215
backtracking
[ "R1C3=4", "R7C4=1", "R6C7=6", "R3C7=3", "R7C1=3", "R0C5=9", "R8C2=4", "R0C1=8", "R1C1=5", "R6C0=7", "R6C4=4", "R3C6=7", "R6C6=3", "R8C4=9", "R1C0=1", "R7C3=6", "R8C7=1", "R8C3=7", "R0C4=5", "R6C8=8", "R5C3=9", "R1C8=3", "R5C0=2", "R3C5=4", "R2C8=6", "R3C3=5", "R8C6=2", "R1C2=7", "R0C8=7", "R4C8=9", "R4C7=4", "R5C2=5", "R3C0=6", "R5C4=3", "R7C5=8", "R2C0=9", "R4C2=8", "R2C3=8", "R4C4=2", "R6C5=5", "R1C5=2", "R5C6=6", "R0C7=2", "R7C2=2", "R8C1=6", "R8C8=5", "R3C1=1", "R2C6=4" ]
1,431
900006002023500410601080700000060040380090205006804070050002000700410003100007680
975146832823579416641283759217365948384791265596824371458632197769418523132957684
constraint_programming
[ "R8C3=9", "R8C8=4", "R3C1=1", "R0C4=4", "R4C7=6", "R2C3=2", "R2C5=3", "R4C2=4", "R7C1=6", "R2C8=9", "R2C1=4", "R5C4=2", "R6C6=1", "R3C6=9", "R6C0=4", "R0C7=3", "R6C3=6", "R8C1=3", "R4C3=7", "R0C6=8", "R3C2=7", "R7C5=8", "R7C2=9", "R1C4=7", "R0C1=7", "R8C4=5", "R2C7=5", "R3C3=3", "R5C0=5", "R1C8=6", "R7C7=2", "R4C5=1", "R1C5=9", "R1C0=8", "R3C5=5", "R6C2=8", "R3C8=8", "R5C1=9", "R3C0=2", "R7C6=5", "R8C2=2", "R5C6=3", "R0C3=1", "R6C7=9", "R5C8=1", "R0C2=5", "R6C8=7", "R6C4=3" ]
1,432
010708300805000060004000200500013007080546000000820090030609720208300600900051040
612798354875432961394165278526913487789546132143827596431689725258374619967251843
backtracking
[ "R7C8=9", "R2C5=5", "R1C3=4", "R5C6=5", "R1C8=1", "R4C6=1", "R6C8=5", "R6C0=4", "R5C1=4", "R2C4=6", "R4C0=7", "R3C3=9", "R0C0=6", "R2C1=9", "R1C6=9", "R0C4=9", "R3C7=8", "R2C8=8", "R5C0=1", "R7C5=4", "R4C2=9", "R7C7=1", "R5C8=6", "R3C1=2", "R0C2=2", "R3C6=4", "R8C6=8", "R8C2=7", "R4C7=3", "R2C0=3", "R5C2=3", "R0C7=5", "R2C3=1", "R6C4=8", "R6C2=1", "R2C7=7", "R7C4=7", "R1C1=7", "R1C4=3", "R8C8=3", "R5C5=7", "R3C2=6", "R1C5=2", "R8C3=2", "R7C1=5", "R0C8=4", "R4C8=2", "R8C1=6" ]
1,433
320016000000900004048000109093025060004001058801603000076200040005370200000008905
329416587517982634648537129793825461264791358851643792176259843985374216432168975
backtracking
[ "R2C0=6", "R5C8=2", "R6C6=8", "R8C1=3", "R8C7=7", "R2C4=3", "R0C2=9", "R3C3=8", "R6C4=5", "R0C8=7", "R2C7=2", "R1C5=2", "R6C8=3", "R7C1=8", "R5C7=9", "R5C4=4", "R8C3=1", "R1C1=1", "R3C6=4", "R6C0=1", "R8C0=4", "R2C5=7", "R4C4=9", "R2C3=5", "R7C7=1", "R7C8=6", "R6C5=9", "R4C0=2", "R3C0=7", "R5C1=5", "R7C5=4", "R4C6=3", "R1C7=3", "R8C2=2", "R5C6=7", "R0C3=4", "R1C2=7", "R1C0=5", "R0C7=8", "R1C4=8", "R8C4=6", "R1C6=6", "R0C6=5", "R3C8=1", "R4C3=7", "R7C0=9", "R4C1=6" ]
1,434
301000020890004650000020007020040001005001900706059002100082035508700009007060400
371596824892174653654328197923647581485231976716859342169482735548713269237965418
backtracking
[ "R3C0=9", "R6C1=6", "R2C3=3", "R2C7=9", "R8C8=8", "R3C7=8", "R7C7=6", "R0C8=4", "R1C2=2", "R5C6=3", "R2C5=8", "R5C3=8", "R8C5=5", "R3C5=7", "R6C6=7", "R6C3=4", "R7C5=3", "R7C4=1", "R4C4=3", "R1C4=7", "R1C8=3", "R0C6=8", "R2C1=5", "R8C1=3", "R6C2=9", "R4C8=6", "R4C7=7", "R3C2=3", "R2C6=1", "R4C1=8", "R7C6=2", "R8C3=9", "R3C6=5", "R5C7=4", "R1C3=1", "R2C2=4", "R5C1=1", "R3C3=6", "R0C1=7", "R0C5=6", "R0C3=5", "R8C7=1", "R7C1=4", "R0C4=9", "R4C0=4", "R2C0=6", "R8C0=2", "R4C3=2" ]
1,435
890105367603804005070000100020418000006050200500009080100002690902003000047600800
894125367613874925275936148729418536486357219531269784158742693962583471347691852
constraint_programming
[ "R7C7=7", "R7C1=6", "R4C0=4", "R2C5=6", "R6C8=3", "R3C7=3", "R5C1=3", "R6C2=8", "R5C6=7", "R1C4=7", "R2C2=5", "R6C1=5", "R2C3=9", "R8C4=9", "R0C2=4", "R8C5=1", "R6C4=4", "R4C8=9", "R2C7=4", "R2C4=3", "R7C8=1", "R0C4=2", "R5C4=6", "R4C7=1", "R1C1=1", "R7C4=8", "R7C6=4", "R4C3=3", "R2C0=2", "R3C0=7", "R6C3=7", "R8C0=3", "R1C6=9", "R4C5=7", "R5C3=2", "R3C2=9", "R2C8=8", "R3C8=6", "R8C7=5", "R1C7=2", "R3C6=5", "R8C8=2", "R4C1=8", "R7C3=5", "R5C2=1", "R5C8=4" ]
1,436
000109300005002090601000570720003018009206000000480009080045030042007000907300106
278159364435762891691834572724593618819276453563481729186945237342617985957328146
constraint_programming
[ "R6C3=9", "R7C3=6", "R4C8=3", "R4C4=7", "R6C6=2", "R5C7=2", "R4C1=1", "R2C1=9", "R3C4=9", "R6C2=6", "R0C8=4", "R7C7=8", "R5C5=1", "R8C5=8", "R0C1=7", "R3C6=6", "R8C1=5", "R7C4=1", "R5C2=3", "R4C0=8", "R1C6=8", "R6C8=7", "R0C0=2", "R3C3=5", "R2C5=4", "R2C4=3", "R6C0=1", "R1C1=3", "R8C7=4", "R7C8=5", "R0C7=6", "R7C0=3", "R1C8=1", "R1C3=7", "R3C2=4", "R4C6=4", "R1C4=6", "R2C8=2", "R5C6=7", "R0C4=5", "R2C3=8", "R7C6=9", "R5C1=6", "R0C2=8", "R4C7=5", "R1C0=4", "R5C0=5", "R8C4=2" ]
1,437
400000900078043000052007063700001050029805140600200007001030785000509300040000001
436152978978643512152987463784361259329875146615294837291436785867519324543728691
backtracking
[ "R5C1=1", "R3C4=6", "R5C5=4", "R0C8=8", "R1C7=1", "R2C6=4", "R3C3=3", "R0C2=6", "R8C3=7", "R8C0=5", "R0C1=3", "R6C3=4", "R0C7=7", "R7C2=7", "R1C6=5", "R7C7=2", "R2C3=9", "R0C3=1", "R8C6=6", "R2C0=1", "R3C2=4", "R0C4=5", "R0C5=2", "R3C6=2", "R1C8=2", "R5C6=8", "R7C4=1", "R4C8=6", "R4C4=7", "R5C4=9", "R7C8=4", "R5C7=3", "R8C7=9", "R6C1=9", "R3C8=9", "R6C0=2", "R8C5=8", "R4C0=3", "R8C4=2", "R6C5=6", "R7C1=6", "R1C0=9", "R7C0=8", "R1C3=6", "R2C4=8", "R5C2=5", "R8C2=3", "R3C1=8" ]
1,438
100806050005090001690007002000321000309000207050600048003508720007040063000010400
172836954835294671694157832748321596369485217251679348413568729587942163926713485
backtracking
[ "R4C1=6", "R0C8=4", "R6C0=4", "R7C0=5", "R3C2=8", "R1C3=2", "R5C2=1", "R6C4=6", "R8C1=2", "R8C5=3", "R4C4=8", "R5C6=3", "R4C3=4", "R5C5=9", "R0C6=9", "R8C3=7", "R4C7=1", "R2C4=5", "R2C6=8", "R7C3=9", "R1C0=8", "R8C7=8", "R3C8=6", "R2C3=1", "R1C5=4", "R5C0=2", "R3C0=7", "R7C6=1", "R7C5=2", "R8C2=6", "R4C5=5", "R8C0=9", "R1C1=3", "R7C1=8", "R3C7=9", "R8C8=5", "R6C1=1", "R0C4=3", "R0C2=2", "R5C4=7", "R6C8=9", "R0C1=7", "R2C7=3", "R2C2=4", "R1C6=6", "R3C6=5", "R1C7=7", "R3C1=4" ]
1,439
067020500300001984000500070078604000905070200130050000000297010009300008000010306
867429531352761984491583672278634159945178263136952847683297415519346728724815396
constraint_programming
[ "R2C4=8", "R0C8=1", "R0C0=8", "R6C0=6", "R7C5=6", "R8C0=7", "R3C7=5", "R2C8=2", "R8C1=2", "R0C7=3", "R6C2=3", "R5C3=9", "R3C4=3", "R2C0=4", "R8C5=5", "R4C7=6", "R0C5=9", "R8C2=4", "R8C3=8", "R6C8=5", "R5C7=4", "R3C6=1", "R4C1=4", "R3C8=9", "R6C1=8", "R7C7=2", "R6C6=4", "R4C8=3", "R3C0=2", "R7C4=4", "R2C6=6", "R1C4=6", "R7C1=1", "R5C2=6", "R7C6=7", "R4C5=8", "R2C2=1", "R2C5=3", "R5C6=8", "R4C3=1", "R5C8=7", "R5C5=2", "R1C3=7", "R1C2=2", "R0C3=4", "R8C7=9", "R2C1=9", "R1C1=5", "R7C0=5" ]
1,440
010045800500000021093002004000600470750000003800013069060070098302004605901030200
217945836548367921693182754139658472756429183824713569465271398372894615981536247
backtracking
[ "R7C3=8", "R1C1=4", "R1C6=9", "R3C8=2", "R8C8=7", "R1C4=6", "R5C1=2", "R8C3=5", "R2C6=7", "R7C1=7", "R4C4=2", "R6C2=5", "R2C0=6", "R0C7=3", "R0C0=2", "R7C4=9", "R2C4=8", "R8C7=4", "R6C0=4", "R4C6=1", "R3C1=3", "R4C7=8", "R5C6=5", "R3C2=9", "R3C5=8", "R5C3=7", "R4C2=6", "R0C8=6", "R4C3=4", "R2C3=1", "R0C2=7", "R8C5=6", "R3C4=5", "R0C3=9", "R6C5=1", "R6C3=2", "R3C0=1", "R4C5=9", "R7C7=1", "R2C7=5", "R1C3=3", "R1C2=8", "R6C6=3", "R5C2=4", "R8C1=8", "R1C5=7" ]
1,441
010036700050008000400701028072000319090002040600080005504010030000069007920054600
218536794759428163436791528872645319395172846641983275564817932183269457927354681
backtracking
[ "R5C2=1", "R5C3=9", "R8C7=8", "R2C2=6", "R1C4=2", "R7C2=3", "R3C0=8", "R1C2=9", "R0C7=9", "R7C6=4", "R6C1=6", "R0C3=5", "R8C8=1", "R0C0=2", "R5C1=4", "R5C6=2", "R8C3=3", "R4C3=1", "R3C4=4", "R8C2=7", "R3C3=6", "R5C7=7", "R2C4=9", "R1C0=7", "R2C1=3", "R4C6=8", "R1C8=3", "R0C2=8", "R4C2=5", "R4C4=7", "R4C8=6", "R1C6=1", "R7C3=2", "R7C1=8", "R7C7=5", "R6C5=7", "R6C8=2", "R5C5=3", "R7C0=1", "R1C3=4", "R0C8=4", "R4C0=3", "R1C7=6", "R6C3=8", "R3C5=5", "R2C6=5", "R6C6=9" ]
1,442
520600040301000850068000102000092085900010004035008700600005310100700000040029007
527681943391274856468953172714392685986517234235468791672845319159736428843129567
constraint_programming
[ "R6C3=8", "R7C6=4", "R3C3=3", "R6C4=4", "R4C3=5", "R7C7=2", "R3C0=7", "R7C1=5", "R3C1=1", "R1C3=2", "R4C2=6", "R8C7=6", "R0C2=7", "R7C2=9", "R1C8=6", "R6C2=2", "R0C5=1", "R1C1=9", "R3C2=4", "R1C4=7", "R5C0=2", "R4C5=7", "R2C3=9", "R6C8=9", "R2C7=7", "R8C3=1", "R0C8=3", "R4C7=3", "R5C4=6", "R5C8=1", "R5C7=9", "R4C6=2", "R8C0=8", "R0C6=9", "R6C1=7", "R4C1=8", "R8C6=5", "R5C3=4", "R8C2=3", "R1C5=4", "R3C6=6", "R2C4=5", "R7C4=3", "R7C5=6", "R7C8=8", "R2C0=4", "R2C5=3", "R0C4=8" ]
1,443
063000000710002059500860407905000003002700810070340000600100508000003264294005000
463597182718432659529861437985216743342759816176348925637124598851973264294685371
backtracking
[ "R8C4=8", "R6C2=7", "R0C4=9", "R5C6=9", "R0C0=4", "R7C4=7", "R4C8=6", "R5C5=8", "R3C6=7", "R5C0=1", "R6C1=3", "R1C2=8", "R5C2=6", "R8C8=1", "R4C0=3", "R0C5=7", "R3C7=4", "R2C2=9", "R0C3=5", "R7C1=5", "R1C3=4", "R2C5=1", "R0C7=8", "R2C1=2", "R8C7=7", "R3C5=6", "R6C5=4", "R4C1=4", "R5C8=5", "R7C3=9", "R4C5=9", "R0C6=1", "R6C4=2", "R6C7=9", "R7C0=8", "R8C6=3", "R8C3=6", "R0C8=2", "R3C1=8", "R3C3=2", "R1C4=3", "R5C7=2", "R3C4=1", "R2C7=3", "R4C4=5", "R7C2=1", "R1C6=6" ]
1,444
004308920020094801700005000610030000008710540000000006001063087340200600050900210
164378925523694871789125364615432798938716542472859136291563487347281659856947213
constraint_programming
[ "R8C8=3", "R5C3=8", "R5C1=7", "R1C3=6", "R4C1=3", "R0C8=5", "R5C6=1", "R5C4=5", "R8C0=8", "R8C4=4", "R2C7=6", "R1C0=5", "R3C8=8", "R3C2=5", "R2C3=1", "R6C6=4", "R7C5=1", "R1C2=3", "R0C4=7", "R1C7=7", "R5C0=4", "R7C7=5", "R0C1=6", "R7C4=8", "R8C5=7", "R2C6=3", "R7C2=7", "R3C6=7", "R4C5=6", "R7C8=9", "R3C5=2", "R2C1=8", "R6C1=9", "R3C3=4", "R2C4=2", "R0C0=1", "R3C7=9", "R5C2=2", "R4C0=9", "R2C8=4", "R4C8=2", "R5C5=9", "R5C7=3", "R8C2=6", "R6C3=5", "R2C2=9", "R6C0=2" ]
1,445
860010307003700040401006089020050000000900700057140200500000406004628010019000030
865419327293785641471236589326857194148962753957143268582391476734628915619574832
backtracking
[ "R0C7=2", "R5C0=9", "R4C4=6", "R2C1=7", "R8C6=8", "R1C1=9", "R5C8=8", "R7C6=9", "R1C8=1", "R8C5=4", "R6C3=3", "R2C6=5", "R4C7=5", "R0C3=4", "R1C0=2", "R6C4=9", "R3C5=7", "R4C8=3", "R5C7=6", "R4C1=4", "R1C4=8", "R0C5=9", "R3C2=6", "R0C2=5", "R6C1=8", "R6C7=7", "R8C8=2", "R3C0=3", "R8C0=6", "R8C3=5", "R2C4=3", "R8C4=7", "R4C5=2", "R6C5=1", "R7C8=5", "R6C2=2", "R2C3=2", "R7C1=3", "R4C0=1", "R5C5=3", "R3C7=9", "R1C5=5", "R4C2=8", "R7C0=7", "R3C3=8", "R1C6=6", "R3C6=1", "R3C8=4" ]
1,446
290870004001000006805340002604059200503000670020008100009100807030924000160000000
296871354341295786875346912614759238583412679927638145459163827738924561162587493
backtracking
[ "R2C6=9", "R1C0=3", "R1C6=7", "R5C3=6", "R3C7=3", "R5C2=7", "R1C1=4", "R7C2=8", "R8C5=7", "R6C0=4", "R8C4=8", "R2C1=7", "R8C8=3", "R1C7=8", "R6C5=3", "R5C4=3", "R0C6=3", "R4C5=2", "R1C3=2", "R7C6=5", "R5C7=4", "R7C8=1", "R6C1=5", "R6C4=6", "R8C7=9", "R4C1=8", "R8C2=2", "R3C3=7", "R0C5=1", "R0C2=6", "R8C6=4", "R3C1=1", "R7C0=7", "R1C5=5", "R5C0=9", "R4C8=9", "R2C5=6", "R7C7=6", "R3C8=8", "R6C7=2", "R1C4=9", "R2C7=1", "R4C4=1", "R0C7=5", "R5C8=5", "R8C3=5", "R4C3=4" ]
1,447
001379000040600500008000003950800610000400028002060900704580060203000007060027301
521379486349618572678254193957832614136495728482761935714583269293146857865927341
backtracking
[ "R0C0=5", "R4C0=1", "R5C5=1", "R6C8=9", "R5C7=3", "R2C1=7", "R1C5=8", "R5C1=8", "R5C3=7", "R0C6=4", "R2C7=9", "R8C0=8", "R1C0=3", "R1C4=1", "R6C6=2", "R7C1=9", "R2C6=1", "R8C3=9", "R5C0=4", "R4C6=7", "R2C0=6", "R3C5=2", "R3C2=7", "R3C4=3", "R8C7=4", "R4C1=3", "R4C2=6", "R7C5=6", "R1C2=9", "R0C1=2", "R7C3=1", "R1C7=7", "R4C5=5", "R6C1=1", "R6C5=3", "R8C2=5", "R3C8=4", "R0C8=6", "R4C4=9", "R0C7=8", "R2C5=4", "R2C4=5", "R2C3=2", "R5C8=5", "R7C7=5", "R7C4=4", "R1C8=2", "R7C6=8" ]
1,448
068070003900500200470000090009082706201003049080000001000390105800407030106800004
568279413913548267472631598349182756251763849687954321724396185895417632136825974
backtracking
[ "R2C2=2", "R1C5=8", "R0C7=1", "R2C4=3", "R5C6=3", "R0C0=5", "R6C7=8", "R3C7=5", "R8C1=3", "R5C5=4", "R0C5=9", "R2C8=8", "R2C5=1", "R5C2=7", "R1C4=4", "R3C1=4", "R6C2=4", "R4C3=7", "R5C7=2", "R6C5=6", "R0C3=2", "R2C6=5", "R3C3=1", "R1C2=3", "R8C7=7", "R7C6=6", "R4C1=5", "R7C1=9", "R0C6=4", "R2C3=6", "R7C4=1", "R3C0=3", "R7C8=2", "R7C2=5", "R1C7=6", "R6C0=7", "R8C6=9", "R1C1=1", "R1C8=7", "R6C1=2", "R5C4=5", "R5C3=9", "R5C0=6", "R8C5=5", "R4C4=6", "R8C4=2", "R4C6=8" ]
1,449
002380050100007640009206000400100705850003020261000308000740003300001470080009006
672384951138957642549216837493128765857693124261475398916742583325861479784539216
constraint_programming
[ "R4C8=4", "R8C4=3", "R5C5=5", "R1C4=5", "R3C1=9", "R0C0=6", "R3C7=6", "R6C2=6", "R0C6=9", "R6C7=8", "R2C8=7", "R1C2=8", "R6C6=5", "R2C1=4", "R1C1=3", "R3C2=3", "R4C6=1", "R8C2=4", "R4C4=9", "R7C2=5", "R4C2=7", "R6C1=1", "R7C8=9", "R2C6=8", "R8C3=5", "R8C7=1", "R7C1=2", "R3C4=2", "R5C4=7", "R7C3=8", "R4C3=6", "R0C8=1", "R1C3=9", "R5C7=9", "R1C8=2", "R6C0=9", "R0C1=7", "R8C6=2", "R2C7=3", "R5C3=4", "R3C5=8", "R2C0=5", "R0C5=4", "R8C0=7", "R2C4=1", "R7C4=6", "R6C5=2" ]
1,450
100704908000019006075020030800000051006900800402530000028000403309607005600240700
163754928284319576975826134897462351536971842412538697728195463349687215651243789
constraint_programming
[ "R1C6=5", "R5C6=6", "R4C5=1", "R4C8=2", "R3C2=7", "R2C6=1", "R1C2=4", "R7C1=4", "R7C4=8", "R8C7=8", "R2C8=4", "R1C1=8", "R8C5=3", "R0C4=5", "R3C1=9", "R5C1=1", "R2C3=8", "R4C0=5", "R7C6=2", "R6C0=7", "R8C8=9", "R0C1=6", "R8C2=1", "R5C7=9", "R2C0=9", "R7C7=1", "R0C7=2", "R6C7=6", "R0C2=3", "R4C4=7", "R4C7=4", "R3C6=3", "R5C8=7", "R5C5=8", "R1C3=3", "R3C5=2", "R6C3=1", "R3C3=4", "R1C7=7", "R6C4=9", "R3C4=6", "R8C1=5", "R1C0=2", "R4C1=3", "R2C5=6", "R6C5=5" ]
1,451
000200060000008904240703500071040050000500006908000102806009070530020000000010408
185294367367158924249763581671942853423581796958376142816439275534827619792615438
backtracking
[ "R4C7=9", "R7C7=1", "R1C2=7", "R2C7=8", "R5C4=7", "R6C6=2", "R0C4=9", "R6C3=4", "R0C8=7", "R4C2=3", "R3C5=2", "R4C4=8", "R7C3=8", "R5C7=4", "R6C1=1", "R8C0=7", "R8C2=2", "R5C1=5", "R6C4=3", "R2C4=6", "R7C5=7", "R5C5=6", "R4C0=4", "R0C0=1", "R0C2=5", "R4C6=7", "R2C2=9", "R0C5=4", "R8C3=6", "R5C3=3", "R8C7=3", "R1C0=3", "R7C8=9", "R1C4=5", "R1C1=6", "R4C1=2", "R3C8=3", "R1C7=2", "R0C6=3", "R3C0=6", "R3C3=9", "R7C6=6", "R6C8=5", "R0C1=8", "R1C3=1", "R2C8=1", "R3C6=8", "R4C5=1", "R8C5=5", "R8C1=9", "R7C2=4" ]
1,452
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backtracking
[ "R1C3=6", "R8C3=9", "R0C3=1", "R5C8=9", "R8C2=7", "R7C3=4", "R4C7=1", "R8C6=4", "R2C1=1", "R7C8=1", "R4C2=2", "R5C6=2", "R5C4=6", "R2C5=5", "R2C3=8", "R6C0=8", "R6C7=9", "R1C1=5", "R1C7=3", "R3C5=1", "R6C8=7", "R7C2=5", "R1C8=4", "R6C5=6", "R2C6=9", "R8C0=1", "R4C5=9", "R4C4=8", "R8C1=2", "R6C2=3", "R0C8=6", "R0C5=2", "R5C5=4", "R5C3=7", "R3C1=8", "R4C0=4", "R7C1=9", "R5C1=3", "R7C0=6", "R5C7=8", "R8C4=5", "R4C6=7", "R3C2=9", "R7C6=3", "R0C4=3", "R5C0=5", "R1C0=2", "R0C1=7" ]
1,453
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backtracking
[ "R2C0=2", "R2C4=7", "R8C6=6", "R6C8=5", "R6C5=3", "R1C2=5", "R0C6=7", "R3C4=3", "R7C0=8", "R4C3=8", "R1C0=3", "R4C7=9", "R0C3=3", "R3C7=6", "R5C6=4", "R4C2=7", "R5C8=3", "R1C4=9", "R7C4=5", "R0C1=8", "R6C7=1", "R3C5=7", "R1C7=8", "R1C5=6", "R4C8=2", "R0C2=9", "R2C1=4", "R5C4=1", "R8C5=1", "R2C3=5", "R7C6=3", "R3C3=2", "R1C8=4", "R6C0=9", "R5C7=7", "R0C8=6", "R7C2=2", "R0C0=1", "R6C4=2", "R3C0=4", "R8C3=4", "R2C8=1", "R6C1=6", "R8C0=7", "R3C6=5", "R4C4=6", "R5C3=9" ]
1,454
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backtracking
[ "R5C2=2", "R2C0=7", "R1C0=1", "R2C5=6", "R7C1=4", "R6C4=6", "R5C8=3", "R8C3=2", "R1C4=3", "R4C0=8", "R4C7=5", "R3C2=5", "R7C0=5", "R2C2=4", "R1C5=8", "R6C3=7", "R1C6=6", "R1C2=9", "R6C5=5", "R5C5=1", "R8C2=6", "R4C6=9", "R4C8=2", "R7C6=2", "R5C6=7", "R0C2=3", "R5C7=8", "R0C6=1", "R6C7=9", "R0C8=5", "R8C7=7", "R3C4=9", "R3C1=7", "R1C8=7", "R8C0=9", "R8C1=3", "R6C8=4", "R7C4=1", "R3C5=2", "R5C3=6", "R0C1=8", "R1C7=4", "R0C3=4", "R8C8=1", "R1C3=5", "R4C4=4", "R3C0=3", "R8C4=8" ]
1,455
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backtracking
[ "R0C0=1", "R7C5=3", "R8C8=9", "R7C0=7", "R3C2=1", "R8C4=5", "R6C7=3", "R4C4=2", "R6C1=8", "R7C3=9", "R0C7=5", "R1C6=9", "R8C1=1", "R7C7=8", "R6C4=7", "R5C5=8", "R0C1=7", "R2C3=7", "R5C7=1", "R7C8=5", "R8C2=2", "R4C0=4", "R3C6=3", "R0C2=8", "R3C5=9", "R3C4=6", "R1C8=6", "R2C0=9", "R0C3=6", "R5C3=4", "R2C2=6", "R8C5=4", "R2C1=3", "R1C5=1", "R6C6=1", "R4C7=9", "R7C1=6", "R0C6=4", "R1C3=3", "R3C8=7", "R5C6=5", "R2C5=5", "R1C4=8", "R1C7=7", "R4C2=3", "R1C0=2", "R7C6=2", "R4C1=5" ]
1,456
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backtracking
[ "R7C4=7", "R2C1=7", "R1C0=8", "R7C6=8", "R8C8=4", "R8C1=9", "R4C5=2", "R7C0=3", "R1C6=6", "R5C2=3", "R6C1=4", "R1C2=2", "R0C8=1", "R5C1=8", "R6C5=9", "R2C3=1", "R3C8=7", "R6C3=3", "R4C7=4", "R1C5=7", "R0C3=2", "R2C2=6", "R5C5=6", "R8C5=1", "R5C3=4", "R6C2=7", "R0C7=7", "R1C8=3", "R0C4=6", "R2C5=5", "R5C7=2", "R0C1=3", "R3C3=8", "R8C0=6", "R3C6=9", "R1C4=4", "R4C8=8", "R7C3=6", "R3C4=5", "R2C8=9", "R1C7=5", "R7C2=1", "R4C2=5", "R7C8=2", "R6C6=5", "R8C7=3", "R2C0=4", "R3C0=1", "R7C7=9" ]
1,457
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backtracking
[ "R6C7=3", "R2C7=5", "R8C6=2", "R6C8=5", "R7C8=1", "R4C5=1", "R6C4=6", "R7C1=3", "R1C3=5", "R4C1=9", "R4C3=6", "R4C6=5", "R1C0=7", "R8C4=8", "R5C3=4", "R0C0=6", "R5C8=7", "R3C6=9", "R2C5=2", "R7C5=5", "R2C2=9", "R2C6=6", "R2C4=7", "R8C8=4", "R4C0=4", "R8C0=5", "R6C0=9", "R3C7=4", "R5C6=3", "R5C4=9", "R0C1=5", "R0C2=2", "R1C7=2", "R6C6=8", "R5C5=8", "R0C6=4", "R3C1=1", "R0C4=1", "R3C0=3", "R1C2=3", "R7C4=2", "R1C8=9", "R3C2=8", "R4C2=7", "R1C1=8", "R3C8=6", "R6C5=4", "R3C3=2", "R1C6=1" ]
1,458
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backtracking
[ "R6C4=3", "R7C3=1", "R4C7=8", "R0C3=9", "R5C1=7", "R3C4=6", "R0C2=8", "R0C8=7", "R0C4=2", "R0C5=1", "R6C0=6", "R4C2=1", "R8C0=7", "R5C6=9", "R1C7=3", "R8C8=1", "R4C5=9", "R7C1=8", "R5C7=2", "R7C2=9", "R6C8=8", "R0C7=4", "R2C1=9", "R7C4=4", "R8C2=2", "R3C5=7", "R4C4=5", "R5C4=1", "R3C3=8", "R8C4=9", "R6C6=5", "R3C2=3", "R3C1=2", "R4C8=3", "R1C2=7", "R5C8=6", "R2C5=4", "R2C2=6", "R1C3=6", "R1C5=5", "R7C0=5", "R4C0=4", "R0C0=3", "R8C7=6", "R6C5=2", "R1C1=4", "R1C6=2", "R7C7=7" ]
1,459
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backtracking
[ "R7C3=8", "R0C8=8", "R6C5=7", "R7C0=4", "R2C7=6", "R3C4=6", "R2C3=3", "R1C8=7", "R4C8=6", "R1C6=3", "R8C0=3", "R0C6=9", "R7C4=5", "R5C1=9", "R1C4=4", "R8C3=1", "R5C3=7", "R7C7=9", "R6C8=5", "R6C2=6", "R0C7=2", "R2C2=9", "R1C7=5", "R1C5=1", "R0C1=3", "R6C7=1", "R6C1=8", "R4C5=9", "R3C7=4", "R4C1=4", "R4C0=5", "R8C6=6", "R2C0=7", "R0C0=1", "R7C2=2", "R5C6=5", "R0C5=5", "R2C4=2", "R3C6=1", "R3C5=3", "R3C2=7", "R5C8=2", "R4C3=2", "R6C0=9", "R8C7=8", "R5C4=8" ]
1,460
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backtracking
[ "R5C2=3", "R3C2=5", "R7C1=9", "R8C4=9", "R0C7=9", "R5C6=6", "R1C4=3", "R7C2=8", "R3C6=8", "R6C3=1", "R0C2=1", "R2C8=3", "R1C3=4", "R2C0=7", "R0C1=6", "R6C5=4", "R8C0=5", "R7C8=1", "R2C5=1", "R3C0=9", "R5C8=7", "R2C2=4", "R0C8=8", "R5C4=4", "R6C2=7", "R3C4=1", "R6C4=8", "R3C5=6", "R1C0=2", "R8C3=6", "R1C8=6", "R5C7=1", "R8C8=4", "R7C5=2", "R3C1=7", "R0C5=5", "R5C5=9", "R6C1=3", "R0C4=7", "R4C3=8", "R4C8=5", "R8C2=2", "R2C7=2", "R4C1=4", "R4C4=2", "R8C6=7", "R2C6=5" ]
1,461
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backtracking
[ "R8C1=9", "R5C0=2", "R7C3=5", "R8C3=8", "R4C2=7", "R3C5=9", "R8C6=5", "R6C1=2", "R1C5=4", "R3C2=8", "R0C2=3", "R4C7=2", "R5C7=9", "R6C7=6", "R0C0=1", "R1C6=2", "R1C7=3", "R2C7=8", "R1C8=6", "R1C2=9", "R1C3=1", "R2C3=3", "R3C4=3", "R6C3=7", "R1C1=8", "R5C4=1", "R5C3=6", "R8C8=7", "R5C1=3", "R7C2=1", "R0C8=4", "R7C6=3", "R0C1=6", "R8C0=4", "R5C5=7", "R3C6=4", "R3C8=1", "R3C0=6", "R2C0=7", "R0C5=2", "R2C5=5", "R6C2=5", "R5C8=5", "R7C4=9", "R8C4=2", "R4C3=4", "R8C7=1" ]
1,462
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backtracking
[ "R5C3=7", "R5C8=9", "R2C3=8", "R5C7=6", "R3C0=2", "R6C6=8", "R5C4=4", "R2C2=1", "R5C2=3", "R8C5=4", "R1C3=9", "R8C3=1", "R2C7=4", "R5C0=5", "R6C5=3", "R2C8=6", "R8C1=3", "R0C2=7", "R6C0=6", "R7C2=4", "R7C3=5", "R4C5=2", "R2C0=9", "R1C5=6", "R1C8=1", "R3C7=7", "R4C6=1", "R6C1=7", "R0C4=1", "R7C1=9", "R0C5=5", "R1C0=4", "R0C6=9", "R4C7=3", "R4C3=6", "R8C8=7", "R1C4=3", "R2C1=5", "R3C4=8", "R1C1=2", "R7C5=8", "R0C8=2", "R7C8=3", "R8C6=5", "R8C0=8", "R7C7=2", "R3C1=1", "R3C6=4" ]
1,463
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backtracking
[ "R7C3=8", "R3C8=3", "R2C7=8", "R5C3=6", "R4C4=4", "R2C4=2", "R4C5=2", "R6C3=9", "R5C7=7", "R1C3=3", "R8C8=1", "R3C4=9", "R7C7=2", "R1C6=4", "R2C3=4", "R3C6=2", "R6C4=5", "R7C1=7", "R1C0=8", "R5C6=5", "R4C7=1", "R4C2=3", "R3C0=1", "R1C4=6", "R0C5=5", "R5C2=4", "R0C6=3", "R3C1=6", "R6C7=6", "R7C4=1", "R4C3=7", "R3C5=8", "R2C6=1", "R8C0=4", "R1C2=1", "R6C5=3", "R0C7=9", "R0C0=7", "R8C2=9", "R8C1=5", "R8C5=6", "R6C8=4", "R4C0=5", "R6C2=8", "R6C0=2", "R5C8=8", "R7C8=5" ]
1,464
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backtracking
[ "R5C6=8", "R6C8=1", "R4C2=4", "R5C5=7", "R7C7=9", "R4C4=5", "R5C2=3", "R1C5=4", "R0C5=9", "R5C4=6", "R1C7=3", "R2C8=4", "R0C4=2", "R1C6=9", "R2C2=1", "R2C5=5", "R3C1=6", "R6C5=6", "R7C4=8", "R1C8=7", "R5C0=9", "R4C7=2", "R7C3=5", "R6C0=5", "R1C3=6", "R7C1=1", "R0C8=8", "R2C7=6", "R4C0=1", "R6C6=4", "R5C8=5", "R3C4=3", "R4C5=8", "R0C3=3", "R7C2=7", "R8C0=6", "R8C3=1", "R1C0=2", "R8C4=4", "R2C6=2", "R3C0=8", "R7C5=2", "R8C7=7", "R3C7=4", "R8C5=3", "R6C2=2", "R0C1=4" ]
1,465
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backtracking
[ "R6C1=9", "R7C4=4", "R0C1=7", "R7C7=2", "R1C8=7", "R4C1=2", "R6C4=5", "R4C4=7", "R1C0=2", "R5C8=3", "R2C7=5", "R3C0=9", "R5C1=4", "R4C2=6", "R0C6=9", "R5C0=1", "R4C6=4", "R7C0=7", "R6C7=6", "R6C5=1", "R3C3=4", "R7C6=1", "R5C3=6", "R5C7=8", "R4C7=9", "R8C6=7", "R2C4=8", "R1C2=1", "R6C6=8", "R8C4=6", "R2C3=1", "R1C7=4", "R2C1=3", "R8C5=2", "R3C7=7", "R1C4=9", "R8C0=5", "R0C0=6", "R7C2=8", "R5C6=5", "R0C8=8", "R0C3=2", "R3C2=3", "R4C3=3", "R0C5=4", "R8C2=4", "R6C0=3", "R4C8=1", "R4C5=5" ]
1,466
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backtracking
[ "R4C0=3", "R3C1=8", "R4C2=6", "R1C7=6", "R0C8=3", "R1C5=5", "R7C0=9", "R1C8=4", "R5C8=7", "R3C6=3", "R0C0=1", "R0C1=5", "R1C3=1", "R2C7=5", "R0C7=9", "R4C1=7", "R7C1=2", "R8C2=5", "R4C5=4", "R4C3=8", "R2C5=2", "R8C7=2", "R2C4=8", "R7C8=8", "R8C1=4", "R5C5=9", "R5C6=6", "R1C4=3", "R4C6=9", "R6C1=3", "R8C3=7", "R7C4=1", "R6C6=5", "R7C5=6", "R0C2=8", "R5C0=2", "R6C5=8", "R1C2=2", "R3C0=5", "R4C7=1", "R8C4=9", "R6C2=1", "R3C4=7", "R3C7=4", "R2C6=7", "R1C0=7" ]
1,467
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backtracking
[ "R0C1=3", "R2C3=9", "R2C0=8", "R7C7=5", "R2C8=5", "R6C1=7", "R8C7=6", "R3C5=9", "R2C5=4", "R0C5=7", "R6C7=4", "R6C4=8", "R7C0=1", "R1C7=2", "R3C7=8", "R2C1=6", "R1C4=3", "R5C2=3", "R7C1=2", "R0C0=5", "R4C8=4", "R5C7=1", "R6C0=3", "R4C7=3", "R8C5=1", "R6C8=1", "R1C2=4", "R5C5=6", "R8C2=8", "R3C1=1", "R3C4=4", "R5C6=7", "R3C2=7", "R5C4=2", "R8C6=2", "R0C3=2", "R1C1=9", "R4C5=5", "R6C3=6", "R4C0=2", "R7C6=8", "R2C6=3", "R7C3=4", "R4C6=6", "R8C0=9", "R8C4=5", "R5C8=9" ]
1,468
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846759321972831456531642987425176839613498572789523614267384195354917268198265743
backtracking
[ "R0C5=9", "R0C7=2", "R3C6=8", "R6C7=9", "R1C8=6", "R8C5=5", "R2C6=9", "R4C6=5", "R4C8=2", "R0C8=1", "R2C5=2", "R4C0=6", "R1C6=4", "R3C2=5", "R3C3=1", "R8C4=6", "R2C2=1", "R2C4=4", "R3C0=4", "R6C1=6", "R7C8=8", "R1C2=2", "R8C3=2", "R5C7=1", "R3C4=7", "R4C5=8", "R2C1=3", "R6C0=2", "R6C4=8", "R7C2=4", "R2C7=8", "R5C4=2", "R7C3=9", "R0C0=8", "R8C0=1", "R5C5=3", "R5C2=9", "R7C1=5", "R3C7=3", "R4C3=4", "R6C8=5", "R4C7=7", "R8C8=3", "R0C3=7", "R5C6=6", "R1C1=7", "R1C0=9", "R8C7=4" ]
1,469
900860205300721900001000670019000530200016040007908000400100007193040000006052000
974863215365721984821495673619274538238516749547938126452189367193647852786352491
backtracking
[ "R0C1=7", "R0C5=3", "R6C6=3", "R1C1=6", "R0C7=1", "R8C1=8", "R4C3=5", "R2C8=3", "R8C0=7", "R4C2=8", "R1C7=8", "R2C0=8", "R3C0=6", "R3C5=4", "R1C8=4", "R6C5=9", "R5C4=3", "R6C2=2", "R8C7=9", "R5C7=2", "R2C4=9", "R2C5=5", "R6C1=5", "R2C1=2", "R5C0=5", "R6C7=6", "R3C8=8", "R8C3=3", "R5C1=4", "R7C7=5", "R0C2=4", "R3C4=7", "R4C6=7", "R5C8=6", "R3C3=2", "R7C3=6", "R8C8=1", "R4C1=3", "R5C6=1", "R6C4=8", "R8C6=4", "R7C6=8", "R7C5=7", "R2C3=4", "R1C2=5", "R7C8=2", "R4C8=9" ]
1,470
000200400103586900075010060080005230400600105902300087008000500000792300310004006
896237451143586972275419863681975234437628195952341687728163549564792318319854726
backtracking
[ "R6C4=6", "R6C0=7", "R3C4=7", "R0C5=7", "R2C6=8", "R4C5=8", "R1C7=7", "R8C2=9", "R1C1=4", "R1C8=2", "R5C4=4", "R2C3=4", "R7C1=6", "R6C8=9", "R8C7=2", "R3C8=4", "R2C5=9", "R3C3=9", "R7C0=5", "R5C1=5", "R2C0=2", "R6C1=2", "R4C1=3", "R8C4=5", "R7C7=1", "R6C5=3", "R6C3=1", "R0C1=9", "R8C3=8", "R6C7=4", "R0C8=1", "R4C7=9", "R7C2=4", "R7C8=8", "R0C4=3", "R0C2=6", "R0C7=5", "R5C5=1", "R3C2=1", "R5C6=6", "R2C8=3", "R4C2=7", "R3C0=6", "R0C0=8", "R8C6=7", "R4C4=2" ]
1,471
409060307700002805050041020005030060014800090902006008000107402083020500000000901
429568317761392845358741629875239164614875293932416758596187432183924576247653981
constraint_programming
[ "R6C2=6", "R5C4=1", "R2C8=9", "R7C7=7", "R2C2=8", "R8C4=5", "R5C7=5", "R6C7=3", "R0C3=5", "R4C5=5", "R1C4=9", "R5C6=7", "R4C0=6", "R1C2=1", "R2C3=7", "R7C0=1", "R1C1=6", "R0C5=8", "R3C5=9", "R2C6=6", "R3C8=4", "R3C0=8", "R0C7=1", "R7C8=6", "R1C3=3", "R3C6=1", "R7C5=4", "R7C3=9", "R0C1=2", "R4C8=3", "R1C7=4", "R8C5=3", "R6C0=5", "R3C1=7", "R8C2=7", "R3C3=2", "R5C3=4", "R8C3=6", "R8C7=8", "R8C1=4", "R4C4=7", "R6C4=8", "R4C6=2", "R6C1=9", "R2C0=3", "R8C0=2", "R5C1=3" ]
1,472
300640208500030010094207000708009000043801500006320100000003006609050040100090872
371645298562938714894217635718569423243871569956324187427183956689752341135496872
backtracking
[ "R8C2=5", "R2C6=6", "R4C7=6", "R6C6=9", "R1C3=9", "R6C0=4", "R7C3=7", "R6C1=2", "R6C2=7", "R2C4=1", "R3C1=1", "R4C4=7", "R6C4=8", "R3C8=3", "R8C5=6", "R2C8=5", "R1C2=2", "R0C2=1", "R3C4=6", "R3C7=2", "R0C5=5", "R8C3=4", "R3C3=5", "R5C5=4", "R7C6=3", "R0C7=9", "R5C1=5", "R5C7=8", "R7C8=1", "R1C5=8", "R4C8=9", "R2C0=8", "R0C1=7", "R1C1=6", "R7C1=8", "R3C6=4", "R1C6=7", "R6C7=5", "R5C0=9", "R5C8=7", "R8C1=3", "R1C8=4", "R2C7=3", "R6C3=1", "R7C5=2", "R4C0=2" ]
1,473
040062300076000008003509010700021080090704000001080005000100530905030004082600970
149862357576413298823579416754321689698754123231986745467198532915237864382645971
backtracking
[ "R8C8=1", "R2C0=8", "R4C7=2", "R3C1=5", "R3C2=4", "R1C3=4", "R6C2=7", "R2C4=7", "R8C5=5", "R1C7=9", "R2C1=2", "R4C0=6", "R6C8=2", "R1C6=2", "R6C0=4", "R6C1=6", "R6C5=8", "R2C8=6", "R5C5=6", "R0C0=1", "R4C4=5", "R7C6=8", "R7C3=2", "R7C5=7", "R5C1=3", "R0C7=5", "R5C3=9", "R6C4=9", "R4C6=1", "R4C2=8", "R1C5=3", "R8C0=3", "R5C7=4", "R0C2=9", "R0C8=7", "R7C1=1", "R8C4=4", "R0C3=8", "R3C6=6", "R5C0=2", "R5C6=7", "R1C0=5", "R2C6=4", "R3C8=9", "R7C7=6", "R1C4=1", "R4C8=3", "R3C3=3" ]
1,474
003094000980700050026105070000600091078000205000420863004500106100986420000000000
753894612981762354426135978342658791678319245519427863294573186135986427867241539
backtracking
[ "R3C5=8", "R2C6=9", "R8C2=7", "R8C7=3", "R5C5=7", "R3C1=4", "R1C8=4", "R1C4=6", "R8C6=5", "R2C4=3", "R3C6=7", "R8C4=4", "R7C8=7", "R2C8=8", "R5C0=5", "R5C2=9", "R1C2=1", "R1C5=2", "R6C5=3", "R8C8=9", "R8C5=1", "R2C0=4", "R5C1=1", "R6C4=7", "R4C3=3", "R0C8=2", "R0C3=8", "R0C1=5", "R6C7=8", "R6C1=9", "R0C6=6", "R8C1=6", "R0C0=7", "R4C5=9", "R8C3=2", "R1C6=3", "R4C4=1", "R4C0=6", "R7C2=5", "R3C4=5", "R8C0=8", "R4C7=4", "R3C2=2", "R3C0=3", "R0C7=1", "R7C1=3", "R6C0=2" ]
1,475
007000062190408003030000490900050071700300800600801540050104600400036200301720000
847593162192468753536217498984652371715349826623871549259184637478936215361725984
constraint_programming
[ "R3C2=4", "R0C4=9", "R0C1=4", "R5C2=3", "R1C6=7", "R6C7=3", "R6C4=8", "R7C2=8", "R8C7=8", "R1C4=6", "R2C3=2", "R7C3=9", "R3C1=8", "R3C3=6", "R8C1=6", "R2C0=5", "R7C7=1", "R8C8=4", "R4C5=9", "R0C6=1", "R8C6=9", "R7C8=5", "R5C8=9", "R5C4=7", "R7C1=7", "R3C5=2", "R4C8=6", "R1C2=2", "R5C1=2", "R4C2=5", "R8C5=5", "R3C6=3", "R4C4=4", "R1C7=5", "R4C1=1", "R6C8=7", "R0C5=3", "R2C8=8", "R2C2=6", "R2C5=7", "R6C0=2", "R2C4=1", "R4C7=2", "R6C2=9", "R0C3=5", "R0C0=8" ]
1,476
500002009800031760063490001000360874080004000700000056020073100400020305091800000
517682439849531762263497581152369874986754213734218956625973148478126395391845627
backtracking
[ "R5C5=8", "R8C7=2", "R1C8=2", "R2C7=8", "R2C6=5", "R0C2=7", "R5C4=1", "R8C4=4", "R1C3=5", "R5C3=2", "R4C0=9", "R3C1=5", "R2C0=2", "R6C3=9", "R6C2=5", "R0C1=1", "R7C2=8", "R4C7=1", "R0C7=3", "R0C3=6", "R4C3=7", "R5C2=4", "R0C6=4", "R4C4=5", "R3C2=2", "R1C1=4", "R4C2=6", "R7C3=1", "R8C5=5", "R6C7=4", "R8C6=6", "R7C7=9", "R8C0=3", "R7C5=6", "R6C0=6", "R7C1=7", "R2C5=7", "R5C1=3", "R1C2=9", "R3C0=1", "R6C8=8", "R4C8=3", "R3C5=9", "R5C6=9", "R8C8=7", "R0C4=8", "R4C6=2" ]
1,477
001670400700800210050034809004920000000046701300017000000003007810005630209000048
981672453743859216652134879174928365598346721326517984465283197817495632239761548
constraint_programming
[ "R0C1=8", "R1C8=6", "R5C3=5", "R7C4=9", "R6C4=8", "R1C1=4", "R4C0=5", "R5C7=8", "R7C8=2", "R5C6=9", "R4C2=8", "R6C2=5", "R1C5=9", "R5C1=2", "R8C5=1", "R3C5=8", "R8C3=7", "R0C5=2", "R3C6=3", "R6C3=2", "R8C4=6", "R5C2=6", "R4C7=2", "R3C1=7", "R0C8=3", "R6C7=9", "R4C1=9", "R8C1=3", "R7C2=7", "R6C6=1", "R2C0=6", "R6C0=4", "R3C8=5", "R5C8=4", "R6C1=6", "R0C7=5", "R1C4=5", "R1C2=3", "R7C3=4", "R2C7=7", "R2C3=1", "R8C6=5", "R3C7=6", "R2C2=2", "R4C3=3", "R3C0=1", "R0C0=9" ]
1,478
268000070900000140400380200630409005105800406000026900800907300001000090070001052
268194573953762148417385269632419785195873426784526931826957314541238697379641852
backtracking
[ "R6C2=6", "R1C2=3", "R6C4=5", "R8C6=8", "R2C1=1", "R7C4=3", "R3C2=2", "R1C3=7", "R7C0=5", "R8C3=6", "R2C2=7", "R3C7=8", "R1C4=6", "R1C1=5", "R1C8=8", "R7C6=6", "R2C8=9", "R0C5=4", "R1C5=2", "R2C5=5", "R0C4=9", "R4C1=9", "R0C6=5", "R7C8=7", "R7C1=4", "R5C1=8", "R6C8=4", "R5C7=3", "R7C5=8", "R8C0=3", "R0C8=3", "R3C4=1", "R6C7=1", "R5C0=7", "R8C2=9", "R4C4=7", "R5C2=4", "R4C5=3", "R3C6=7", "R7C3=2", "R2C7=6", "R4C7=2", "R6C1=2", "R8C4=4", "R0C3=1", "R5C3=5", "R5C8=1" ]
1,479
925400060007003805000600000018250040000001089070000503600070020092560104804900700
925487361467123895183695472318259647546731289279846513651374928792568134834912756
constraint_programming
[ "R1C1=6", "R0C6=3", "R1C7=9", "R6C1=5", "R2C4=9", "R7C7=3", "R2C5=5", "R8C5=2", "R2C8=2", "R4C4=3", "R2C6=4", "R4C1=4", "R4C3=7", "R5C3=8", "R0C5=7", "R6C2=1", "R4C0=5", "R5C5=6", "R3C0=3", "R0C8=1", "R1C4=2", "R2C1=8", "R5C0=2", "R6C5=4", "R7C5=8", "R3C6=6", "R3C8=7", "R0C4=8", "R2C0=1", "R4C2=6", "R1C3=1", "R5C7=1", "R6C8=8", "R2C7=7", "R5C4=4", "R3C5=9", "R4C6=2", "R8C1=3", "R1C0=4", "R6C6=9", "R6C3=3", "R2C2=3", "R5C2=9", "R7C0=7", "R8C7=5", "R8C8=6", "R8C4=1" ]
1,480
000653000008010070601900420159000860007800039004000000400002956900406001020005007
742653198598214673631978425159327864267841539384569712413782956975436281826195347
backtracking
[ "R3C5=7", "R1C6=6", "R5C6=7", "R4C4=4", "R5C7=1", "R5C1=8", "R4C0=2", "R2C4=7", "R4C6=5", "R3C3=3", "R8C4=9", "R1C3=2", "R1C0=5", "R8C0=8", "R8C7=4", "R5C4=6", "R1C8=3", "R6C3=7", "R3C8=4", "R0C2=2", "R7C6=2", "R8C2=6", "R2C8=5", "R4C5=1", "R4C1=6", "R6C4=8", "R0C0=7", "R7C4=3", "R7C1=7", "R5C0=3", "R1C5=4", "R2C1=3", "R0C7=9", "R8C6=3", "R6C2=3", "R0C6=1", "R3C4=2", "R8C3=1", "R5C8=2", "R2C5=8", "R5C5=9", "R5C3=5", "R7C2=5", "R7C7=8", "R6C1=1", "R1C1=9", "R0C1=4", "R0C8=8" ]
1,481
060870594300020008070500013980050070200000485004306021513790000049001000000640000
162873594395124768478569213981452376236917485754386921513798642649231857827645139
backtracking
[ "R3C8=6", "R6C6=6", "R4C5=7", "R5C0=7", "R3C6=3", "R5C4=8", "R3C2=1", "R0C2=2", "R6C5=8", "R1C7=6", "R1C5=4", "R2C4=6", "R5C1=5", "R8C8=9", "R6C8=2", "R7C3=2", "R3C5=2", "R6C7=4", "R5C6=9", "R1C6=7", "R1C1=9", "R4C1=3", "R7C7=5", "R8C1=2", "R4C3=9", "R8C6=1", "R8C7=3", "R3C3=4", "R8C2=7", "R8C0=8", "R4C4=1", "R2C6=2", "R1C3=1", "R0C5=3", "R2C5=9", "R7C6=8", "R2C0=4", "R7C8=7", "R7C4=3", "R1C2=5", "R8C5=5", "R2C2=8", "R0C0=1", "R7C0=6", "R4C2=6" ]
1,482
010230800003174000054000070070001005002300960940086320000400608695002030000009510
719235846863174259254698173376921485582347961941586327127453698695812734438769512
backtracking
[ "R1C6=2", "R2C6=1", "R2C4=9", "R7C6=7", "R7C4=1", "R5C2=1", "R8C3=7", "R0C2=9", "R2C8=3", "R3C3=9", "R3C0=3", "R4C0=5", "R6C1=2", "R8C2=8", "R7C3=8", "R8C8=2", "R3C4=2", "R6C5=3", "R0C7=4", "R7C8=4", "R5C3=5", "R2C0=2", "R0C0=7", "R6C7=9", "R8C4=6", "R3C7=8", "R1C0=8", "R3C2=6", "R0C8=6", "R6C0=1", "R3C6=4", "R4C5=7", "R4C1=8", "R8C0=4", "R1C1=6", "R1C8=9", "R8C1=3", "R6C2=7", "R0C5=5", "R2C3=6", "R1C7=5", "R4C8=1", "R6C4=5", "R2C5=8", "R4C4=4", "R5C8=7" ]
1,483
859600000026070014007003080040007506030402070000519002700054209000000008501208030
859641723326875914417923685142387596935462871678519342783154269294736158561298437
backtracking
[ "R7C7=5", "R2C1=1", "R7C1=9", "R4C2=5", "R2C3=9", "R2C0=4", "R8C4=9", "R3C2=2", "R4C8=1", "R5C7=4", "R0C8=3", "R1C5=5", "R0C6=7", "R3C4=8", "R2C8=5", "R1C3=8", "R7C0=2", "R8C1=6", "R2C6=6", "R3C7=9", "R5C2=8", "R7C6=1", "R0C5=1", "R5C1=7", "R4C6=8", "R6C1=8", "R3C3=3", "R7C4=3", "R1C0=3", "R1C6=9", "R5C0=6", "R7C3=7", "R7C2=4", "R8C8=7", "R7C5=6", "R0C7=2", "R4C4=6", "R3C0=1", "R0C4=4", "R5C6=3", "R2C4=2", "R4C0=9", "R8C6=4", "R6C2=3", "R6C3=1", "R6C7=6" ]
1,484
600701200709500008103002450408100090005096704070003020806040003000000600002005081
654781239729534168183962457468127395235896714971453826816249573597318642342675981
backtracking
[ "R5C0=9", "R1C5=4", "R4C7=1", "R5C3=4", "R3C5=7", "R0C8=9", "R7C7=4", "R2C1=8", "R0C7=3", "R5C2=1", "R3C6=3", "R6C3=2", "R7C0=5", "R8C4=7", "R6C1=1", "R0C2=4", "R4C3=8", "R7C5=8", "R2C8=7", "R2C4=6", "R1C1=2", "R4C0=2", "R5C6=8", "R8C3=6", "R8C1=4", "R3C1=6", "R1C4=3", "R1C6=1", "R7C1=9", "R1C7=6", "R7C8=2", "R4C1=3", "R6C7=7", "R2C3=9", "R5C4=5", "R8C0=3", "R6C6=5", "R7C4=1", "R0C1=5", "R0C4=8", "R6C5=9", "R3C4=2", "R5C8=6", "R7C2=7", "R7C3=3", "R8C6=9", "R3C8=5" ]
1,485
030018650000207000020640709600090000092080301084000000705003108013000420049071000
437918652956237814128645739671394285592786341384152976765423198813569427249871563
backtracking
[ "R2C7=3", "R4C3=7", "R1C1=5", "R4C5=6", "R4C7=4", "R0C8=2", "R5C8=6", "R7C5=9", "R1C0=9", "R4C0=5", "R3C7=8", "R0C0=4", "R8C7=6", "R5C3=1", "R7C3=5", "R3C3=3", "R8C0=2", "R5C6=9", "R5C4=5", "R2C0=1", "R8C3=8", "R6C3=4", "R6C1=6", "R7C4=6", "R1C6=8", "R5C0=3", "R3C8=5", "R7C0=8", "R5C7=7", "R1C4=3", "R2C5=5", "R8C8=3", "R1C7=1", "R3C6=2", "R5C5=2", "R6C4=2", "R3C1=7", "R3C5=4", "R1C2=6", "R6C7=9", "R2C2=8", "R0C3=9", "R8C6=5", "R3C2=1", "R7C8=7", "R1C8=4", "R0C2=7" ]
1,486
300005086280463090015200000070009150020580630000000009100007420700010003040600008
394175286287463591615298374876349152429581637531726849168937425752814963943652718
backtracking
[ "R1C2=7", "R4C8=7", "R2C5=8", "R2C6=3", "R8C2=3", "R6C1=6", "R3C2=6", "R8C4=5", "R7C2=2", "R0C1=9", "R1C8=1", "R5C6=8", "R8C5=2", "R7C6=9", "R8C7=1", "R3C8=2", "R0C2=4", "R1C6=5", "R4C0=4", "R0C4=7", "R5C2=1", "R0C6=2", "R0C3=1", "R8C0=9", "R4C5=1", "R5C1=3", "R8C6=7", "R5C5=6", "R5C3=7", "R5C7=4", "R6C2=8", "R2C0=6", "R2C7=7", "R7C3=8", "R2C4=9", "R7C7=6", "R6C3=9", "R2C8=4", "R3C3=3", "R4C2=9", "R6C8=5", "R3C4=4", "R5C4=2", "R6C4=3", "R5C0=5", "R7C1=5", "R7C5=4", "R3C0=8" ]
1,487
400680020801005009900200007090000060002093504180704200000010900000840056037052400
473689125821475639956231847394528761762193584185764293548316972219847356637952418
constraint_programming
[ "R2C5=1", "R3C6=7", "R0C8=5", "R1C3=4", "R2C6=8", "R6C2=8", "R0C5=9", "R5C8=3", "R7C6=3", "R3C0=3", "R1C4=7", "R5C4=6", "R2C7=4", "R4C0=7", "R4C3=1", "R6C0=5", "R8C0=6", "R1C1=2", "R3C4=2", "R2C1=5", "R3C3=5", "R6C7=7", "R6C5=6", "R1C6=6", "R7C0=2", "R8C8=8", "R6C8=2", "R1C7=3", "R7C5=7", "R5C2=5", "R7C2=9", "R5C7=9", "R0C1=7", "R3C2=4", "R2C2=6", "R3C8=1", "R0C6=1", "R3C5=8", "R6C1=4", "R8C3=9", "R2C4=3", "R4C1=6", "R6C3=3", "R0C2=3", "R7C1=1", "R8C7=1", "R4C7=8" ]
1,488
609070080500400002080010590003750020906000104208900060021064008704002315000000000
639275481517489632482613597143756829976328154258941763321564978764892315895137246
backtracking
[ "R7C1=6", "R1C2=7", "R8C1=9", "R1C1=1", "R5C5=1", "R8C7=4", "R1C4=8", "R2C8=7", "R4C1=7", "R8C0=8", "R2C3=6", "R5C6=7", "R8C8=6", "R8C3=1", "R4C3=3", "R4C4=2", "R5C8=3", "R4C5=8", "R8C4=3", "R6C6=9", "R8C2=5", "R0C3=2", "R4C7=5", "R6C7=7", "R3C1=4", "R2C2=2", "R0C6=4", "R3C8=9", "R2C0=4", "R1C5=9", "R3C0=1", "R1C7=3", "R0C8=1", "R7C4=9", "R3C6=8", "R5C1=5", "R7C3=8", "R0C5=5", "R2C5=3", "R0C1=3", "R6C0=3", "R6C3=5", "R5C4=4", "R1C6=6", "R3C5=6", "R8C5=7", "R8C6=2" ]
1,489
200060080070010405000304090038000200004870006901502037102009003080630009600405000
245967381379218465816354792738196254524873916961542837152789643487631529693425178
backtracking
[ "R4C5=3", "R4C7=1", "R0C8=1", "R7C5=1", "R8C2=3", "R8C8=8", "R0C2=5", "R7C0=4", "R8C4=2", "R3C8=4", "R0C5=7", "R3C0=7", "R8C7=7", "R2C2=6", "R1C3=2", "R2C8=2", "R5C1=6", "R3C5=6", "R7C2=7", "R6C7=4", "R2C6=7", "R7C7=2", "R2C0=8", "R5C6=8", "R1C7=6", "R2C4=5", "R1C2=9", "R6C6=6", "R1C0=3", "R0C3=9", "R8C6=1", "R7C6=5", "R6C3=7", "R3C4=9", "R0C6=3", "R4C0=5", "R0C1=4", "R2C1=1", "R8C1=9", "R1C5=8", "R3C7=5", "R5C4=4", "R4C1=2", "R6C1=5", "R3C3=1", "R6C4=8", "R4C6=9" ]
1,490
080500016076400903021070050030280100907000400008000365000002500000901007064735008
489523716576418923321679854635284179917356482248197365793862541852941637164735298
backtracking
[ "R0C0=4", "R8C6=2", "R2C5=9", "R8C0=1", "R5C5=7", "R7C1=5", "R4C5=6", "R6C8=1", "R0C2=9", "R8C7=9", "R3C0=6", "R5C0=2", "R2C3=6", "R6C4=6", "R7C0=8", "R4C3=3", "R2C8=4", "R4C1=1", "R5C1=4", "R0C5=3", "R4C7=8", "R7C7=3", "R0C4=2", "R7C6=6", "R1C5=8", "R7C4=4", "R6C1=9", "R2C6=8", "R4C4=5", "R3C7=7", "R1C4=1", "R6C2=3", "R3C2=5", "R3C8=9", "R3C5=4", "R1C7=2", "R1C0=5", "R5C4=9", "R0C6=7", "R6C0=7", "R4C8=2", "R7C2=2", "R5C3=1", "R6C3=8", "R2C0=3", "R6C7=4" ]
1,491
071860000530100048040950012056000800080310960004002070900070300000000001800096450
271864539539127648648953712156749823782315964394682175925471386467538291813296457
backtracking
[ "R5C3=6", "R5C4=8", "R4C2=2", "R0C6=5", "R7C4=3", "R2C5=3", "R6C5=1", "R1C4=2", "R7C5=8", "R1C5=7", "R2C2=8", "R0C7=3", "R7C7=9", "R5C8=5", "R6C8=6", "R4C8=4", "R7C6=2", "R7C1=6", "R8C8=7", "R7C3=5", "R7C0=4", "R1C2=9", "R7C2=7", "R0C0=2", "R4C0=7", "R0C8=9", "R3C0=1", "R2C6=7", "R8C1=1", "R5C6=1", "R5C0=3", "R6C3=4", "R8C3=2", "R3C5=9", "R2C0=6", "R6C1=2", "R8C2=3", "R0C5=4", "R4C5=5", "R3C8=3", "R5C1=9", "R3C7=2", "R3C3=7", "R1C6=6", "R6C2=5", "R6C7=8", "R3C4=4" ]
1,492
000084620290060005470900100004509080007010090050030062800047003509120007003000000
135784629298361475476952138624579381387216594951438762812647953569123847743895216
constraint_programming
[ "R3C1=2", "R5C3=4", "R2C5=2", "R6C3=6", "R8C6=2", "R8C4=9", "R7C7=4", "R0C1=3", "R6C6=9", "R8C0=7", "R5C5=8", "R0C8=9", "R4C5=6", "R2C7=3", "R4C0=3", "R2C8=8", "R8C7=1", "R3C4=7", "R1C3=3", "R4C1=8", "R5C6=7", "R0C3=7", "R8C3=8", "R1C6=4", "R7C5=3", "R8C8=6", "R5C0=9", "R1C7=7", "R1C5=1", "R3C6=3", "R7C1=6", "R6C7=5", "R5C2=1", "R3C8=1", "R0C2=5", "R3C0=6", "R4C8=4", "R1C2=8", "R6C1=1", "R6C2=2", "R2C2=6", "R4C6=5", "R2C4=5", "R4C3=2", "R8C5=5", "R8C1=4", "R7C6=8", "R0C0=1" ]
1,493
000108702045007000010049800050300190200060300081704060003000028000005609960400501
639158742845237916712649853456382197297561384381794265573916428124875639968423571
backtracking
[ "R6C5=6", "R4C1=9", "R6C0=5", "R6C1=7", "R1C7=1", "R1C8=6", "R4C3=5", "R1C4=3", "R6C4=1", "R2C0=7", "R7C3=8", "R8C2=8", "R1C0=8", "R0C2=9", "R5C8=5", "R4C8=4", "R7C2=4", "R0C1=3", "R2C8=3", "R0C0=6", "R3C0=4", "R7C0=1", "R4C7=8", "R7C4=7", "R5C0=3", "R3C5=2", "R8C7=7", "R6C3=9", "R5C4=9", "R3C8=7", "R7C1=2", "R2C2=2", "R8C4=2", "R0C7=4", "R4C5=1", "R0C4=5", "R1C6=9", "R8C5=3", "R3C4=8", "R4C2=7", "R7C7=3", "R6C6=4", "R2C3=6", "R1C3=2", "R3C2=6", "R2C7=5", "R5C6=2" ]
1,494
036004000020000500000215083902006400400190070070032005007850060304700001180000790
536984127821367549749215683912576438453198276678432915297851364364729851185643792
backtracking
[ "R1C5=7", "R1C4=6", "R3C3=5", "R6C0=2", "R6C8=4", "R6C5=1", "R3C7=3", "R6C1=9", "R4C6=2", "R8C2=5", "R8C8=2", "R4C2=3", "R2C1=4", "R7C4=2", "R1C2=1", "R4C8=6", "R1C3=3", "R8C4=4", "R6C6=3", "R8C3=6", "R3C1=1", "R5C7=1", "R7C6=8", "R7C5=9", "R5C3=4", "R4C1=5", "R5C0=6", "R0C6=1", "R0C8=7", "R1C7=4", "R3C4=7", "R2C6=6", "R7C7=5", "R1C0=8", "R2C2=9", "R3C8=8", "R4C5=8", "R0C7=2", "R5C2=8", "R0C0=5", "R2C0=7", "R5C6=9", "R8C5=3", "R7C1=6", "R1C8=9", "R0C3=9", "R0C4=8" ]
1,495
709080052061070030030204090600500001100320070000008200400809306000700008092031045
749183652261975834538264197623597481184326579975418263417859326356742918892631745
constraint_programming
[ "R2C0=5", "R2C4=6", "R5C8=3", "R3C7=8", "R5C0=9", "R5C2=5", "R5C4=1", "R4C2=4", "R0C3=1", "R5C7=6", "R5C1=7", "R3C4=9", "R1C6=8", "R7C0=3", "R4C8=9", "R8C6=7", "R7C5=2", "R3C1=2", "R2C6=1", "R6C4=5", "R7C7=1", "R0C6=6", "R7C1=5", "R8C3=6", "R1C5=5", "R4C5=6", "R2C2=8", "R4C1=8", "R7C4=4", "R1C0=2", "R1C8=4", "R3C6=4", "R5C3=4", "R6C1=1", "R2C8=7", "R3C2=3", "R8C0=8", "R4C6=5", "R1C3=9", "R6C7=2", "R3C5=7", "R0C5=3", "R0C1=4", "R7C2=6", "R7C6=9", "R6C2=7" ]
1,496
100008023008010400030000071015040302080560090600700504400600000006003900900200710
147958623268317459539426871715849362384562197692731584471695238826173945953284716
backtracking
[ "R5C7=8", "R6C7=3", "R2C2=9", "R6C1=7", "R8C5=4", "R2C0=5", "R5C2=2", "R8C4=8", "R4C0=3", "R0C2=7", "R7C4=7", "R4C5=2", "R8C8=6", "R6C5=5", "R7C8=5", "R1C7=5", "R6C6=2", "R1C0=2", "R7C0=8", "R0C1=4", "R4C8=7", "R3C5=9", "R6C4=9", "R8C1=5", "R3C0=7", "R3C7=6", "R2C3=4", "R0C4=5", "R7C7=4", "R1C3=3", "R5C1=9", "R8C2=3", "R2C5=6", "R6C2=1", "R1C1=6", "R5C5=1", "R2C6=8", "R0C3=9", "R1C5=7", "R5C4=3", "R4C2=4", "R4C6=1", "R2C4=2", "R7C3=1", "R1C8=9", "R0C6=6", "R3C3=8", "R7C1=2", "R6C8=8" ]
1,497
009000080420500307000064010600381020780090000001007460060170005500030206078005900
159723684426518397837964512645381729782496153391257468963172845514839276278645931
backtracking
[ "R8C0=2", "R3C8=9", "R1C4=1", "R0C0=1", "R6C2=3", "R7C7=7", "R4C2=2", "R2C3=9", "R8C3=6", "R3C2=5", "R6C0=9", "R4C5=6", "R8C7=3", "R1C2=6", "R4C7=5", "R3C1=4", "R1C7=9", "R4C8=3", "R0C4=2", "R5C3=2", "R2C2=7", "R7C3=8", "R0C3=7", "R0C1=5", "R6C7=4", "R2C1=3", "R0C5=3", "R5C4=5", "R7C2=4", "R4C3=4", "R7C1=1", "R7C5=9", "R2C8=2", "R6C6=8", "R5C0=3", "R6C5=2", "R8C8=1", "R8C4=4", "R3C6=7", "R0C8=4", "R5C8=8", "R1C5=8", "R2C6=5", "R5C1=9", "R2C0=8", "R4C6=1", "R0C6=6" ]
1,498
004070050820039760060500034206190040150820003000000000070000000631780029092061005
314276958825439761769518234286193547157824693943657182578942316631785429492361875
backtracking
[ "R5C7=8", "R6C7=1", "R4C6=6", "R0C1=1", "R1C8=1", "R4C2=7", "R2C2=9", "R7C5=5", "R6C0=5", "R3C1=8", "R5C3=6", "R0C0=3", "R5C8=2", "R5C2=3", "R0C5=6", "R4C7=9", "R0C6=9", "R6C8=6", "R6C2=8", "R5C0=9", "R0C3=2", "R6C5=2", "R3C8=7", "R3C6=5", "R8C7=7", "R2C4=1", "R8C3=3", "R4C5=4", "R1C3=4", "R3C5=3", "R5C6=1", "R2C0=7", "R5C1=4", "R1C2=5", "R0C8=8", "R2C5=8", "R6C4=4", "R6C3=9", "R6C6=3", "R7C6=4", "R8C6=8", "R5C4=5", "R2C6=2", "R8C0=4", "R5C5=7" ]
1,499
000049030040005601063070092010200780009003054204700100002500846007010300600480000
721649538948325671563871492316254789879163254254798163192537846487916325635482917
backtracking
[ "R6C0=1", "R6C4=3", "R3C0=3", "R5C1=5", "R3C5=4", "R0C3=6", "R2C6=4", "R2C5=1", "R1C7=7", "R0C6=5", "R1C0=9", "R7C5=6", "R1C2=8", "R2C3=8", "R4C6=2", "R8C1=3", "R1C4=2", "R5C4=9", "R5C7=6", "R6C1=9", "R0C1=2", "R8C6=9", "R4C3=1", "R3C2=6", "R7C0=4", "R8C7=1", "R7C1=8", "R4C4=6", "R3C4=5", "R0C0=7", "R0C2=1", "R8C5=2", "R8C8=7", "R3C8=9", "R8C2=5", "R1C3=3", "R7C7=2", "R5C5=8", "R0C8=8", "R6C5=7", "R4C1=7", "R4C0=8", "R2C0=5", "R7C8=5", "R5C8=3", "R7C3=9" ]