PlaySudoku.us
Easy · Puzzle #618
4
3
1
5
6
8
9
1
6
3
6
5
2
9
7
1
5
5
6
9
7
3
4
3
4
5
6
9
8
7
1
9
6
3
2
4
4
1
3
2
7
9
5
9
2
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4
1
7
6
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.
"Do not worry about your difficulties in mathematics. I can assure you mine are still greater." — Albert Einstein
"Do not worry about your difficulties in mathematics. I can assure you mine are still greater." — Albert Einstein