task_name
string
initial_board
string
solution
string
puzzle_id
string
title
string
rules
string
initial_observation
string
rows
int64
cols
int64
visual_elements
string
description
string
4x4_sudoku_600
.4.22...4...1.43
3412213443211243
Basic 4x4 Sudoku 600
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 4 . 2 2 . . . 4 . . . 1 . 4 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_601
.....41..2....3.
1324241332414132
Basic 4x4 Sudoku 601
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . . 4 1 . . 2 . . . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_602
.2..4...1.2323.1
3214413214232341
Basic 4x4 Sudoku 602
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 2 . . 4 . . . 1 . 2 3 2 3 . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_603
.....321314..4.3
1234432131422413
Basic 4x4 Sudoku 603
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . . 3 2 1 3 1 4 . . 4 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_604
..32.24...1..1..
1432324123144123
Basic 4x4 Sudoku 604
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 3 2 . 2 4 . . . 1 . . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_605
1...2.4.4.1.3...
1432234142133124
Basic 4x4 Sudoku 605
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
1 . . . 2 . 4 . 4 . 1 . 3 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_606
4..1..3.....21..
4321123434122143
Basic 4x4 Sudoku 606
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 . . 1 . . 3 . . . . . 2 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_607
34.1.2.4...2...3
3421123443122143
Basic 4x4 Sudoku 607
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
3 4 . 1 . 2 . 4 . . . 2 . . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_608
2..1.1.2.324....
2431314213244213
Basic 4x4 Sudoku 608
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
2 . . 1 . 1 . 2 . 3 2 4 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_609
...33...2......1
1243341221344321
Basic 4x4 Sudoku 609
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . 3 3 . . . 2 . . . . . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_610
.32..13..24..4..
4321213412433412
Basic 4x4 Sudoku 610
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 3 2 . . 1 3 . . 2 4 . . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_611
1.....1.2..33..1
1234431221433421
Basic 4x4 Sudoku 611
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
1 . . . . . 1 . 2 . . 3 3 . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_612
..3.4..22.43....
1234431221433421
Basic 4x4 Sudoku 612
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 3 . 4 . . 2 2 . 4 3 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_613
....2.....41.43.
4123231432411432
Basic 4x4 Sudoku 613
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . 2 . . . . . 4 1 . 4 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_614
....3..14.1313..
2134342142131342
Basic 4x4 Sudoku 614
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . 3 . . 1 4 . 1 3 1 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_615
..1..14....43.2.
4312214312343421
Basic 4x4 Sudoku 615
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 1 . . 1 4 . . . . 4 3 . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_616
13..421...2....4
1342421334212134
Basic 4x4 Sudoku 616
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
1 3 . . 4 2 1 . . . 2 . . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_617
4....14..3141...
4231314223141423
Basic 4x4 Sudoku 617
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 . . . . 1 4 . . 3 1 4 1 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_618
3.2...13....2.3.
3124421313422431
Basic 4x4 Sudoku 618
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
3 . 2 . . . 1 3 . . . . 2 . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_619
2..4..1..4..1...
2134431234211243
Basic 4x4 Sudoku 619
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
2 . . 4 . . 1 . . 4 . . 1 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_620
..2.....2.3..412
4321124321343412
Basic 4x4 Sudoku 620
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 2 . . . . . 2 . 3 . . 4 1 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_621
.14.2..........3
3142243113244213
Basic 4x4 Sudoku 621
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 1 4 . 2 . . . . . . . . . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_622
..1.12..2.4334..
4312123421433421
Basic 4x4 Sudoku 622
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 1 . 1 2 . . 2 . 4 3 3 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_623
423.....1..424..
4231314213242413
Basic 4x4 Sudoku 623
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 2 3 . . . . . 1 . . 4 2 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_624
.43.....2..4....
1432324123144123
Basic 4x4 Sudoku 624
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 4 3 . . . . . 2 . . 4 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_625
2....32..1.24..1
2413132431424231
Basic 4x4 Sudoku 625
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
2 . . . . 3 2 . . 1 . 2 4 . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_626
...4.42.1......2
2134342112434312
Basic 4x4 Sudoku 626
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . 4 . 4 2 . 1 . . . . . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_627
..2......43.2.14
4123324114322314
Basic 4x4 Sudoku 627
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 2 . . . . . . 4 3 . 2 . 1 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_628
...323..1..232.4
4123234114323214
Basic 4x4 Sudoku 628
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . 3 2 3 . . 1 . . 2 3 2 . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_629
..13....1..4.3..
2413314212344321
Basic 4x4 Sudoku 629
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 1 3 . . . . 1 . . 4 . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_630
.3.4.1.234...2..
2314413234211243
Basic 4x4 Sudoku 630
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 3 . 4 . 1 . 2 3 4 . . . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_631
...43...2......3
1234341223414123
Basic 4x4 Sudoku 631
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . 4 3 . . . 2 . . . . . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_632
1.....3.3.2..4..
1342423131242413
Basic 4x4 Sudoku 632
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
1 . . . . . 3 . 3 . 2 . . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_633
32...43.2314....
3241143223144123
Basic 4x4 Sudoku 633
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
3 2 . . . 4 3 . 2 3 1 4 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_634
....421.2.3.134.
3124421324311342
Basic 4x4 Sudoku 634
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . 4 2 1 . 2 . 3 . 1 3 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_635
.24.4...2...1432
3241412323141432
Basic 4x4 Sudoku 635
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 2 4 . 4 . . . 2 . . . 1 4 3 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_636
1.4.2...4..331.4
1342243142133124
Basic 4x4 Sudoku 636
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
1 . 4 . 2 . . . 4 . . 3 3 1 . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_637
4..1.3..2.....4.
4231132424133142
Basic 4x4 Sudoku 637
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 . . 1 . 3 . . 2 . . . . . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_638
1.233.4.4.32....
1423324141322314
Basic 4x4 Sudoku 638
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
1 . 2 3 3 . 4 . 4 . 3 2 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_639
.2.....4.4.33...
4231132424133142
Basic 4x4 Sudoku 639
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 2 . . . . . 4 . 4 . 3 3 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_640
4..3.....2.1....
4123231432411432
Basic 4x4 Sudoku 640
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 . . 3 . . . . . 2 . 1 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_641
.3...4.14.....4.
1324243142133142
Basic 4x4 Sudoku 641
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 3 . . . 4 . 1 4 . . . . . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_642
413.2...1.2..21.
4132234114233214
Basic 4x4 Sudoku 642
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 1 3 . 2 . . . 1 . 2 . . 2 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_643
.3...1431..4...2
4321214312343412
Basic 4x4 Sudoku 643
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 3 . . . 1 4 3 1 . . 4 . . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_644
....4..21.2..4..
3241413213242413
Basic 4x4 Sudoku 644
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . 4 . . 2 1 . 2 . . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_645
.1323.4...2...14
4132324114232314
Basic 4x4 Sudoku 645
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 1 3 2 3 . 4 . . . 2 . . . 1 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_646
..2.2..13....23.
4123234134121234
Basic 4x4 Sudoku 646
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 2 . 2 . . 1 3 . . . . 2 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_647
12.3....43.12.3.
1243341243212134
Basic 4x4 Sudoku 647
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
1 2 . 3 . . . . 4 3 . 1 2 . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_648
....14..31244..3
2341143231244213
Basic 4x4 Sudoku 648
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . 1 4 . . 3 1 2 4 4 . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_649
41.2....24...32.
4132324124131324
Basic 4x4 Sudoku 649
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 1 . 2 . . . . 2 4 . . . 3 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_650
.....3.21..3.2..
2134431214233241
Basic 4x4 Sudoku 650
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . . 3 . 2 1 . . 3 . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_651
..4..312....21.4
1243431234212134
Basic 4x4 Sudoku 651
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 4 . . 3 1 2 . . . . 2 1 . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_652
.1.....41.....31
4123321413422431
Basic 4x4 Sudoku 652
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 1 . . . . . 4 1 . . . . . 3 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_653
....4..1..1..3.2
3124423124131342
Basic 4x4 Sudoku 653
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . 4 . . 1 . . 1 . . 3 . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_654
12...41.2..4.3..
1243341221344321
Basic 4x4 Sudoku 654
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
1 2 . . . 4 1 . 2 . . 4 . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_655
.3.4..2..4......
2314412314323241
Basic 4x4 Sudoku 655
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 3 . 4 . . 2 . . 4 . . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_656
3.4..2.32...1...
3142421324311324
Basic 4x4 Sudoku 656
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
3 . 4 . . 2 . 3 2 . . . 1 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_657
...4..3..1.3..2.
3214143221434321
Basic 4x4 Sudoku 657
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . 4 . . 3 . . 1 . 3 . . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_658
....1..2.13..4..
4213134221343421
Basic 4x4 Sudoku 658
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . 1 . . 2 . 1 3 . . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_659
.3.....1..4.3...
1324423121433412
Basic 4x4 Sudoku 659
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 3 . . . . . 1 . . 4 . 3 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_660
..24...1.4..2.4.
1324423134122143
Basic 4x4 Sudoku 660
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 2 4 . . . 1 . 4 . . 2 . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_661
213......3.21...
2134342143121243
Basic 4x4 Sudoku 661
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
2 1 3 . . . . . . 3 . 2 1 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_662
2..34..2.4.1.2.4
2143431234211234
Basic 4x4 Sudoku 662
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
2 . . 3 4 . . 2 . 4 . 1 . 2 . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_663
.3...24.213..4.2
4321124321343412
Basic 4x4 Sudoku 663
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 3 . . . 2 4 . 2 1 3 . . 4 . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_664
.2....3....14...
3214143223414123
Basic 4x4 Sudoku 664
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 2 . . . . 3 . . . . 1 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_665
...2.23....3..4.
3412123441232341
Basic 4x4 Sudoku 665
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . 2 . 2 3 . . . . 3 . . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_666
3.2.1..4....43..
3421123421434312
Basic 4x4 Sudoku 666
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
3 . 2 . 1 . . 4 . . . . 4 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_667
....2.1..24....1
4132231412433421
Basic 4x4 Sudoku 667
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . 2 . 1 . . 2 4 . . . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_668
.4...31.42..31..
1423231442313142
Basic 4x4 Sudoku 668
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 4 . . . 3 1 . 4 2 . . 3 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_669
.13.2....2.4..23
4132234132141423
Basic 4x4 Sudoku 669
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 1 3 . 2 . . . . 2 . 4 . . 2 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_670
..322.14.2.1.1..
1432231432414123
Basic 4x4 Sudoku 670
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 3 2 2 . 1 4 . 2 . 1 . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_671
...23.....1.41..
1432324123144123
Basic 4x4 Sudoku 671
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . 2 3 . . . . . 1 . 4 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_672
.3..2..1.2..4..3
1342243132144123
Basic 4x4 Sudoku 672
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 3 . . 2 . . 1 . 2 . . 4 . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_673
2.3..4...31..2..
2134342143121243
Basic 4x4 Sudoku 673
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
2 . 3 . . 4 . . . 3 1 . . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_674
.4.....231..4..1
2413134231244231
Basic 4x4 Sudoku 674
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 4 . . . . . 2 3 1 . . 4 . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_675
....1.4.2.34432.
3412124321344321
Basic 4x4 Sudoku 675
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . 1 . 4 . 2 . 3 4 4 3 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_676
.4.......2.4..3.
1423234132144132
Basic 4x4 Sudoku 676
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 4 . . . . . . . 2 . 4 . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_677
23.......43....4
2341412314323214
Basic 4x4 Sudoku 677
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
2 3 . . . . . . . 4 3 . . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_678
21.43..2.2....2.
2134341212434321
Basic 4x4 Sudoku 678
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
2 1 . 4 3 . . 2 . 2 . . . . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_679
....2.43.4.1...4
4312214334211234
Basic 4x4 Sudoku 679
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . 2 . 4 3 . 4 . 1 . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_680
34.2.14313......
3412214313244231
Basic 4x4 Sudoku 680
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
3 4 . 2 . 1 4 3 1 3 . . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_681
...1124...3.4...
3421124321344312
Basic 4x4 Sudoku 681
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . 1 1 2 4 . . . 3 . 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_682
.14.34.2.32....4
2143341243211234
Basic 4x4 Sudoku 682
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 1 4 . 3 4 . 2 . 3 2 . . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_683
3.2..14.....4...
3421214312344312
Basic 4x4 Sudoku 683
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
3 . 2 . . 1 4 . . . . . 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_684
31........32....
3124421314322341
Basic 4x4 Sudoku 684
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
3 1 . . . . . . . . 3 2 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_685
..13....2.3434.1
4213134221343421
Basic 4x4 Sudoku 685
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 1 3 . . . . 2 . 3 4 3 4 . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_686
12...41.4.21..3.
1243341243212134
Basic 4x4 Sudoku 686
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
1 2 . . . 4 1 . 4 . 2 1 . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_687
4..3..1.2.4...32
4123321423411432
Basic 4x4 Sudoku 687
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 . . 3 . . 1 . 2 . 4 . . . 3 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_688
241.....3.24.23.
2413134231244231
Basic 4x4 Sudoku 688
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
2 4 1 . . . . . 3 . 2 4 . 2 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_689
4....3.4.14....3
4231132431422413
Basic 4x4 Sudoku 689
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 . . . . 3 . 4 . 1 4 . . . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_690
..4..2312..33.2.
1342423124133124
Basic 4x4 Sudoku 690
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 4 . . 2 3 1 2 . . 3 3 . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_691
..1..1.3...4.3..
3412214312344321
Basic 4x4 Sudoku 691
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 1 . . 1 . 3 . . . 4 . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_692
.2.334...132...4
1243342141322314
Basic 4x4 Sudoku 692
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 2 . 3 3 4 . . . 1 3 2 . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_693
.3..4.31.....1.3
1324423134122143
Basic 4x4 Sudoku 693
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 3 . . 4 . 3 1 . . . . . 1 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_694
..43....1.2.....
2143341213244231
Basic 4x4 Sudoku 694
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 4 3 . . . . 1 . 2 . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_695
2431....4...124.
2431312443121243
Basic 4x4 Sudoku 695
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
2 4 3 1 . . . . 4 . . . 1 2 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_696
..2.3..1.3.44...
1423324123144132
Basic 4x4 Sudoku 696
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 2 . 3 . . 1 . 3 . 4 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_697
1..4..1.....24.1
1324421331422431
Basic 4x4 Sudoku 697
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
1 . . 4 . . 1 . . . . . 2 4 . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_698
4.3..3........41
4132231414233241
Basic 4x4 Sudoku 698
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 . 3 . . 3 . . . . . . . . 4 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_699
.....1....3.3.2.
4312214312343421
Basic 4x4 Sudoku 699
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . . . . 1 . . . . 3 . 3 . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.