PlaySudoku.us
Medium · Puzzle #823
6
9
3
4
4
2
7
8
7
5
3
1
3
8
4
5
9
5
1
3
7
8
4
6
3
5
6
7
4
7
8
5
4
9
1
7
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.
"If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet." — Niels Bohr
"If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet." — Niels Bohr