Split (7)

4x4 · 2k rows

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_1200	31.224.31.3.....	3142241312344321	Basic 4x4 Sudoku 1200	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 2 4 . 3 1 . 3 . . . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1201	...3.1.....44.3.	2413314213244231	Basic 4x4 Sudoku 1201	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 . 3 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1202	....1.2..3.4....	3241142323144132	Basic 4x4 Sudoku 1202	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 . . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1203	4.....1.....3.2.	4132231412433421	Basic 4x4 Sudoku 1203	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	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1204	..3....24.1.3...	2431134242133124	Basic 4x4 Sudoku 1204	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 . 3 . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1205	.3.4.2.........1	1324421331422431	Basic 4x4 Sudoku 1205	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_1206	123.3....1...32.	1234341221434321	Basic 4x4 Sudoku 1206	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 . . . . 1 . . . 3 2 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1207	...41.3..24..1.3	2314143232414123	Basic 4x4 Sudoku 1207	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 . . 1 . 3	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1208	..2.....4..11.4.	3124241342311342	Basic 4x4 Sudoku 1208	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 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1209	..3.3214.1..2..1	1432321441232341	Basic 4x4 Sudoku 1209	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 . 1 . . 2 . . 1	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1210	.....123.34..431	3214412313422431	Basic 4x4 Sudoku 1210	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 1	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1211	.4...324..42..13	2431132431424213	Basic 4x4 Sudoku 1211	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 2 . . 1 3	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1212	.1.2.3...4.1.2.3	4132231434211243	Basic 4x4 Sudoku 1212	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 . 1 . 2 . 3	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1213	..3...14.3....4.	1432321443212143	Basic 4x4 Sudoku 1213	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	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1214	..1.1..23421...4	4213134234212134	Basic 4x4 Sudoku 1214	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 4 2 1 . . . 4	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1215	.....41.32...1..	1324241332414132	Basic 4x4 Sudoku 1215	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_1216	..1.14233....13.	2314142332414132	Basic 4x4 Sudoku 1216	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 2 3 3 . . . . 1 3 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1217	.3.1.2.33.12..3.	4321124334122134	Basic 4x4 Sudoku 1217	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 . 3 3 . 1 2 . . 3 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1218	....24..3..4..1.	1342243131244213	Basic 4x4 Sudoku 1218	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	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1219	.134.....2...41.	2134432112433412	Basic 4x4 Sudoku 1219	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 . . . 4 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1220	.2.4432..4.2..4.	1234432134122143	Basic 4x4 Sudoku 1220	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 2 . . 4 . 2 . . 4 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1221	.4.....3..2.4...	3412214313244231	Basic 4x4 Sudoku 1221	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_1222	.3.114....323.1.	2341142341323214	Basic 4x4 Sudoku 1222	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 . . . . 3 2 3 . 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1223	.2.43...41.3...1	1234341241232341	Basic 4x4 Sudoku 1223	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 . 3 . . . 1	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1224	..32....1..4....	4132324113242413	Basic 4x4 Sudoku 1224	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	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1225	2...341....4.3..	2143341212344321	Basic 4x4 Sudoku 1225	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 1 . . . . 4 . 3 . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1226	..1...2.2...3...	4213132424313142	Basic 4x4 Sudoku 1226	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 . . . 3 . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1227	..13.....14..2..	2413132431424231	Basic 4x4 Sudoku 1227	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 . . 2 . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1228	3.21.2...13.2..4	3421124341322314	Basic 4x4 Sudoku 1228	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 . . . 1 3 . 2 . . 4	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1229	..4..1..143..3..	3241412314322314	Basic 4x4 Sudoku 1229	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 4 3 . . 3 . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1230	1..2.3..3.1..12.	1432234132144123	Basic 4x4 Sudoku 1230	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 . 1 . . 1 2 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1231	.1244...2....43.	3124421323411432	Basic 4x4 Sudoku 1231	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 . . . 2 . . . . 4 3 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1232	...2.14..32.423.	3412214313244231	Basic 4x4 Sudoku 1232	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 . 4 2 3 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1233	.43...2.1..3.31.	2431312412434312	Basic 4x4 Sudoku 1233	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 . 3 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1234	.4.3...2.....2.4	2413314243211234	Basic 4x4 Sudoku 1234	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	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1235	.4..3....1....2.	1432321421434321	Basic 4x4 Sudoku 1235	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_1236	3.12..3.43..21..	3412123443212143	Basic 4x4 Sudoku 1236	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 . . 3 . 4 3 . . 2 1 . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1237	....423......124	1342423124133124	Basic 4x4 Sudoku 1237	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 4	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1238	.1.4..2....3.41.	2134432112433412	Basic 4x4 Sudoku 1238	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 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1239	2.....23..1..4.2	2341412332141432	Basic 4x4 Sudoku 1239	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 . . 4 . 2	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1240	..43...22..1..24	1243431224313124	Basic 4x4 Sudoku 1240	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 . . 1 . . 2 4	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1241	...4...134.21...	2134432134121243	Basic 4x4 Sudoku 1241	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 4 . 2 1 . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1242	.1..3..2.3..12.3	2134341243211243	Basic 4x4 Sudoku 1242	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 . . 1 2 . 3	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1243	.....4..13.2...1	3124241313424231	Basic 4x4 Sudoku 1243	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_1244	.1...231...313.2	3124423124131342	Basic 4x4 Sudoku 1244	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 1 . . . 3 1 3 . 2	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1245	.14..2..2..11...	3142421324311324	Basic 4x4 Sudoku 1245	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 . . 2 . . 1 1 . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1246	..4..2....3..4..	1342421321343421	Basic 4x4 Sudoku 1246	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 . . 4 . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1247	..4..4.2....1.24	2143341242311324	Basic 4x4 Sudoku 1247	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	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1248	.3...12..2....1.	2341412312343412	Basic 4x4 Sudoku 1248	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 . . 2 . . . . 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1249	32..4.......24.3	3241413213242413	Basic 4x4 Sudoku 1249	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 4 . 3	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1250	.2...432..2....1	3214143241232341	Basic 4x4 Sudoku 1250	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 . . 2 . . . . 1	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1251	.213.1.......432	4213312423411432	Basic 4x4 Sudoku 1251	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 . . . . . . . 4 3 2	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1252	.2.1....3.4...1.	4231132431422413	Basic 4x4 Sudoku 1252	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 . . . 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1253	2....1..12.3..2.	2314413212433421	Basic 4x4 Sudoku 1253	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	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1254	....1..33....231	2314142331424231	Basic 4x4 Sudoku 1254	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 3 1	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1255	.341.4..32....32	2341142332144132	Basic 4x4 Sudoku 1255	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 . . 3 2 . . . . 3 2	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1256	...11.3...4.3...	4321123421433412	Basic 4x4 Sudoku 1256	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_1257	..4...2.2...3.1.	1243432121343412	Basic 4x4 Sudoku 1257	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 . 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1258	..2.213.1.4..31.	3421213412434312	Basic 4x4 Sudoku 1258	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 . 1 . 4 . . 3 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1259	42....24.412..4.	4231132434122143	Basic 4x4 Sudoku 1259	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 . 4 1 2 . . 4 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1260	3....1.4.3.21...	3421213443121243	Basic 4x4 Sudoku 1260	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 . 2 1 . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1261	3...1..44.212.4.	3412123443212143	Basic 4x4 Sudoku 1261	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 1 2 . 4 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1262	...3..4.2...14..	4123324123141432	Basic 4x4 Sudoku 1262	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	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1263	41........2.2..1	4132321414232341	Basic 4x4 Sudoku 1263	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 . . 1	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1264	...1..3..2..31..	2341143242133124	Basic 4x4 Sudoku 1264	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 1 . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1265	2..1...31.3..4..	2341412312343412	Basic 4x4 Sudoku 1265	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	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1266	4..3....2.1.....	4123324123141432	Basic 4x4 Sudoku 1266	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_1267	.2.4..1.3.2....3	1234431234212143	Basic 4x4 Sudoku 1267	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 . . . . 3	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1268	1....3.13.....2.	1432234132144123	Basic 4x4 Sudoku 1268	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 3 . . . . . 2 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1269	....14......2.3.	3241142343122134	Basic 4x4 Sudoku 1269	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_1270	.4.3.241..14..3.	1423324123144132	Basic 4x4 Sudoku 1270	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 . . 1 4 . . 3 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1271	2......2...41...	2341413232141423	Basic 4x4 Sudoku 1271	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 . . . 4 1 . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1272	...24.1.....31..	1342421324313124	Basic 4x4 Sudoku 1272	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 1 . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1273	.41....32.......	3412124321344321	Basic 4x4 Sudoku 1273	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	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1274	.4.2.3.4...332..	1432231441233241	Basic 4x4 Sudoku 1274	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 . 4 . . . 3 3 2 . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1275	..3..3...4...21.	4132234114233214	Basic 4x4 Sudoku 1275	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 . . . 2 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1276	23..143.42.3....	2341143242133124	Basic 4x4 Sudoku 1276	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 3 . 4 2 . 3 . . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1277	.413...242...12.	2413134242313124	Basic 4x4 Sudoku 1277	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 2 . . . 1 2 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1278	.13.....2..4....	4132324123141423	Basic 4x4 Sudoku 1278	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 . . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1279	..232.....1.4..2	1423234132144132	Basic 4x4 Sudoku 1279	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 . 4 . . 2	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1280	.1.224.3..2.4..1	3142241313244231	Basic 4x4 Sudoku 1280	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 . 3 . . 2 . 4 . . 1	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1281	...1.4....2....3	2341143231244213	Basic 4x4 Sudoku 1281	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_1282	3..414.3.3..4...	3214142323414132	Basic 4x4 Sudoku 1282	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 . 3 . 3 . . 4 . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1283	...22.1.4.3..3..	3142241342311324	Basic 4x4 Sudoku 1283	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 . 4 . 3 . . 3 . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1284	2....3.1.412...3	2134432134121243	Basic 4x4 Sudoku 1284	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 2 . . . 3	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1285	2.4343.1....3..4	2143432114323214	Basic 4x4 Sudoku 1285	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 3 . 1 . . . . 3 . . 4	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1286	1.24.4.3.24...3.	1324241332414132	Basic 4x4 Sudoku 1286	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 . 3 . 2 4 . . . 3 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1287	.3..12....13....	4321123424133142	Basic 4x4 Sudoku 1287	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 . . . . 1 3 . . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1288	.1.4.2....4....2	3124421323411432	Basic 4x4 Sudoku 1288	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_1289	.13..32.1...3.1.	2134432112433412	Basic 4x4 Sudoku 1289	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 . 1 . . . 3 . 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1290	....1.4...1....2	3421124323144132	Basic 4x4 Sudoku 1290	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	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1291	4..32.1.32...43.	4123231432411432	Basic 4x4 Sudoku 1291	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 2 . . . 4 3 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1292	.12..2.1..14.43.	4123324123141432	Basic 4x4 Sudoku 1292	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 . 1 . . 1 4 . 4 3 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1293	1......1.142.2.3	1324243131424213	Basic 4x4 Sudoku 1293	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 4 2 . 2 . 3	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1294	.2.334...13....1	1243341221344321	Basic 4x4 Sudoku 1294	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 . . . . 1	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1295	.21...3.4...2..1	3214143241232341	Basic 4x4 Sudoku 1295	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 . . . 2 . . 1	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1296	321....3.3..4...	3214142323414132	Basic 4x4 Sudoku 1296	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 . 3 . . 4 . . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1297	..42..3131...2..	1342243131244213	Basic 4x4 Sudoku 1297	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 3 1 . . . 2 . .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1298	.4.1..3.12...31.	3421213412434312	Basic 4x4 Sudoku 1298	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 . . . 3 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1299	....41..12....1.	2341412312343412	Basic 4x4 Sudoku 1299	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 . . . . 1 .	4	4	None	Complete the sudoku board based on the rules and visual elements.

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