PlaySudoku.us
Easy · Puzzle #174
3
6
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9
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6
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5
9
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7
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9
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7
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"I have not failed. I've just found 10,000 ways that won't work." — Thomas Edison
"I have not failed. I've just found 10,000 ways that won't work." — Thomas Edison
There are 6,670,903,752,021,072,936,960 valid completed Sudoku grids — that's 6.7 sextillion.
There are 6,670,903,752,021,072,936,960 valid completed Sudoku grids — that's 6.7 sextillion.