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_500
.23....124.3....
1234432124133142
Basic 4x4 Sudoku 500
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 2 4 . 3 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_501
...31......141.2
2413132432414132
Basic 4x4 Sudoku 501
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 . . . . . . 1 4 1 . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_502
..41.13..2.4.42.
2341413232141423
Basic 4x4 Sudoku 502
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 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_503
..4.43.13.1..4..
2143432132141432
Basic 4x4 Sudoku 503
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 3 . 1 3 . 1 . . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_504
.4..1..3......12
3421124321344312
Basic 4x4 Sudoku 504
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 . . . . . . 1 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_505
.3......3..2.21.
1324243131424213
Basic 4x4 Sudoku 505
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 . 2 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_506
.32...4..4.2..1.
4321214314323214
Basic 4x4 Sudoku 506
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 . . 4 . 2 . . 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_507
...2.14..4..1234
4312214334211234
Basic 4x4 Sudoku 507
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 . . 4 . . 1 2 3 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_508
...3..24.34.4...
2413312413424231
Basic 4x4 Sudoku 508
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 4 . 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_509
1..4..2.3....1..
1234432134122143
Basic 4x4 Sudoku 509
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 . . . . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_510
3.2...4...144...
3421124323144132
Basic 4x4 Sudoku 510
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 . . . 1 4 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_511
.32.2...1..3....
4321213412433412
Basic 4x4 Sudoku 511
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 . . 3 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_512
.1.24.13..3.1..4
3142421324311324
Basic 4x4 Sudoku 512
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 3 . . 3 . 1 . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_513
3.1...3....1.4..
3214413223411423
Basic 4x4 Sudoku 513
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 . . . . 1 . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_514
...1.3.....3.2..
2431134241233214
Basic 4x4 Sudoku 514
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.
4x4_sudoku_515
4..3...224...324
4213314224311324
Basic 4x4 Sudoku 515
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 2 4 . . . 3 2 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_516
1.424.....2..1..
1342421334212134
Basic 4x4 Sudoku 516
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 . . . . . 2 . . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_517
.4.3...1...23...
1423234141323214
Basic 4x4 Sudoku 517
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 3 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_518
...4..2.....4..1
2314142331424231
Basic 4x4 Sudoku 518
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 . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_519
.1...4..1.4..3.1
2134341212434321
Basic 4x4 Sudoku 519
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 . 4 . . 3 . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_520
4..2..4.3.2.1...
4312214334211234
Basic 4x4 Sudoku 520
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 . 2 . 1 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_521
....3..1.34.....
2134342113424213
Basic 4x4 Sudoku 521
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 4 . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_522
2.3.4...32.11..3
2134431232411423
Basic 4x4 Sudoku 522
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 2 . 1 1 . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_523
1.2....1.314....
1423324123144132
Basic 4x4 Sudoku 523
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 1 4 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_524
.12.2....4..12..
4123234134121234
Basic 4x4 Sudoku 524
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 . 2 . . . . 4 . . 1 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_525
4.3..1.4....2...
4231312413422413
Basic 4x4 Sudoku 525
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 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_526
..323...1...24.3
4132324113242413
Basic 4x4 Sudoku 526
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 4 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_527
..1..2...1.3.421
4312123421433421
Basic 4x4 Sudoku 527
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 2 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_528
2.4114..312.....
2341143231244213
Basic 4x4 Sudoku 528
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 1 4 . . 3 1 2 . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_529
3.1....343...2..
3412214343211234
Basic 4x4 Sudoku 529
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 4 3 . . . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_530
.43.........2.41
1432321441232341
Basic 4x4 Sudoku 530
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 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_531
.3..4....2....1.
2341412312343412
Basic 4x4 Sudoku 531
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
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_532
...4..3..42..241
2314413214233241
Basic 4x4 Sudoku 532
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 2 . . 2 4 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_533
..4..4.....232..
2341142341323214
Basic 4x4 Sudoku 533
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 3 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_534
.2..4..134.22.3.
1243432134122134
Basic 4x4 Sudoku 534
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 4 . 2 2 . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_535
41.........21.3.
4123234134121234
Basic 4x4 Sudoku 535
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 1 . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_536
...3.14.42......
2413314242311324
Basic 4x4 Sudoku 536
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 . 4 2 . . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_537
1...4.2...4....2
1234432121433412
Basic 4x4 Sudoku 537
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 . . . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_538
3....1.312...32.
3412214312344321
Basic 4x4 Sudoku 538
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 1 2 . . . 3 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_539
....32...43....4
4123324114322314
Basic 4x4 Sudoku 539
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 . . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_540
41..23.4.4.3....
4132231414233241
Basic 4x4 Sudoku 540
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 . 3 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_541
..41.....12.2...
3241143241232314
Basic 4x4 Sudoku 541
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 2 . 2 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_542
432...3.34.2.2..
4321213434121243
Basic 4x4 Sudoku 542
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 . 3 4 . 2 . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_543
.....2.1..4....2
1324423121433412
Basic 4x4 Sudoku 543
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 . . . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_544
...1..3442.....2
3421213442131342
Basic 4x4 Sudoku 544
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 4 2 . . . . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_545
4.1.1..3......34
4312124334212134
Basic 4x4 Sudoku 545
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 . . . . . . 3 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_546
....41..3..1..2.
2314413232411423
Basic 4x4 Sudoku 546
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 . . 1 . . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_547
.23..12.2....3..
4231312424131342
Basic 4x4 Sudoku 547
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 2 . 2 . . . . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_548
.43.3..4.14...2.
1432321421434321
Basic 4x4 Sudoku 548
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 . . . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_549
...11342....42..
2431134231244213
Basic 4x4 Sudoku 549
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 2 . . . . 4 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_550
.12.......4..3..
3124243112434312
Basic 4x4 Sudoku 550
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 . . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_551
.3.44....4.3.2..
2314413214233241
Basic 4x4 Sudoku 551
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 4 . . . . 4 . 3 . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_552
..34..1.3...2...
1234431234212143
Basic 4x4 Sudoku 552
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 . 3 . . . 2 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_553
..1..1..1.3..2..
2314412314323241
Basic 4x4 Sudoku 553
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 . . 1 . 3 . . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_554
2......1.4323..4
2143432114323214
Basic 4x4 Sudoku 554
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 3 . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_555
2.........1.3.4.
2431132442133142
Basic 4x4 Sudoku 555
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 . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_556
..1....342.1132.
3412214342311324
Basic 4x4 Sudoku 556
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 1 3 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_557
...3.1.....2.4..
4213312413422431
Basic 4x4 Sudoku 557
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 . . . . . 2 . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_558
.....1.4.3424.31
2413312413424231
Basic 4x4 Sudoku 558
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 4 . 3 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_559
.....1....4.2..3
4231312413422413
Basic 4x4 Sudoku 559
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_560
.3.2123...21..4.
4312123434212143
Basic 4x4 Sudoku 560
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 3 . . . 2 1 . . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_561
4..22..3......2.
4312214312343421
Basic 4x4 Sudoku 561
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 . . 3 . . . . . . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_562
...141.3.23.3...
2341412312343412
Basic 4x4 Sudoku 562
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 . 2 3 . 3 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_563
...44.3.1...34..
2314413212433421
Basic 4x4 Sudoku 563
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 . 3 . 1 . . . 3 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_564
.3..4.....3.32.1
2314412314323241
Basic 4x4 Sudoku 564
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 . 3 2 . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_565
342....4.21.13..
3421213442131342
Basic 4x4 Sudoku 565
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 . 2 1 . 1 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_566
2...43..32..1.23
2134431232411423
Basic 4x4 Sudoku 566
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 . . 3 2 . . 1 . 2 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_567
14......4.....3.
1423324143122134
Basic 4x4 Sudoku 567
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 . . . . . . 4 . . . . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_568
.43....213......
2431314213244213
Basic 4x4 Sudoku 568
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 3 . . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_569
...4.3.2.....4.3
2134431232411423
Basic 4x4 Sudoku 569
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 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_570
......2..4...2.3
2134432134121243
Basic 4x4 Sudoku 570
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 . . . 2 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_571
...2..1....4.3..
3142241312344321
Basic 4x4 Sudoku 571
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 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_572
.......132.41.2.
4132234132141423
Basic 4x4 Sudoku 572
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 . 4 1 . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_573
2...3142..2.4.3.
2413314213244231
Basic 4x4 Sudoku 573
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 2 . . 2 . 4 . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_574
.41.314.1.2...3.
2413314213244231
Basic 4x4 Sudoku 574
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 1 4 . 1 . 2 . . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_575
4.1......42121.3
4312123434212143
Basic 4x4 Sudoku 575
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 2 1 2 1 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_576
32.....32.4..1..
3214142323414132
Basic 4x4 Sudoku 576
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 2 . 4 . . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_577
.2....1..3.1..3.
1243341243212134
Basic 4x4 Sudoku 577
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 . 1 . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_578
...11.2...3...12
3241142321344312
Basic 4x4 Sudoku 578
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 . . . 1 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_579
.....21.213.3...
1342421321343421
Basic 4x4 Sudoku 579
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 1 3 . 3 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_580
1..232.1...4....
1432324123144123
Basic 4x4 Sudoku 580
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 2 . 1 . . . 4 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_581
..2.2...31.2.2.3
1324243131424213
Basic 4x4 Sudoku 581
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 1 . 2 . 2 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_582
1..4.....24.....
1324241332414132
Basic 4x4 Sudoku 582
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 . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_583
.14..4...3.2....
2143342143121234
Basic 4x4 Sudoku 583
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 . . 4 . . . 3 . 2 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_584
..24.......2.3..
3124421314322341
Basic 4x4 Sudoku 584
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 . . . . . . . 2 . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_585
4...1..3...1..3.
4312124334212134
Basic 4x4 Sudoku 585
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 . . . 1 . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_586
..1...32.2.33...
2314413212433421
Basic 4x4 Sudoku 586
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 . 3 3 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_587
..344....421.2..
2134431234211243
Basic 4x4 Sudoku 587
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 4 . . . . 4 2 1 . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_588
..4..31.2....4..
1243431221343421
Basic 4x4 Sudoku 588
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
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_589
..2......3...4.3
3124423113422413
Basic 4x4 Sudoku 589
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
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_590
.42..1.3..3.4..2
3421214312344312
Basic 4x4 Sudoku 590
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 . 3 . . 3 . 4 . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_591
...44..2.3......
3214413223411423
Basic 4x4 Sudoku 591
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 . 3 . . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_592
4..3.3.42....1..
4213132424313142
Basic 4x4 Sudoku 592
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 2 . . . . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_593
3.211.34..1.2...
3421123443122143
Basic 4x4 Sudoku 593
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 1 . 3 4 . . 1 . 2 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_594
.2.31.24.....1..
4213132424313142
Basic 4x4 Sudoku 594
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 . 2 4 . . . . . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_595
...4.21313....3.
3124421313422431
Basic 4x4 Sudoku 595
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 3 1 3 . . . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_596
4.2...1.1...324.
4123231414323241
Basic 4x4 Sudoku 596
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 . 1 . . . 3 2 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_597
4..2.....12.....
4312124331242431
Basic 4x4 Sudoku 597
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
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_598
3..2..3...2..4.3
3142423113242413
Basic 4x4 Sudoku 598
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 . . . 2 . . 4 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_599
..3.3..442..1...
2431312442131342
Basic 4x4 Sudoku 599
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 . . 4 4 2 . . 1 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.