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- Hard :
- #24,222,970
- R 00:01:05
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9 X 9 sudoku
Easy
1Level - 36hint
2Level - 35hint
3Level - 34hint
4Level - 33hint
5Level - 32hint
6Level - 31hint
Medium
7Level - 30hint
8Level - 29hint
Hard
9Level - 28hint
10Level - 27hint
Expert
11Level - 26hint
12Level - 25hint
Expert - Silver
13Level - 24hint
14Level - 23hint
15Level - 22hint
16Level - 21hint
17Level - 20hint
Expert - Gold
18Level - 19hint
19Level - 18hint
20Level - 17hint