PlaySudoku.us
Hard · Puzzle #101
5
2
4
4
8
9
9
8
7
1
4
2
3
2
6
7
1
8
3
4
7
8
6
1
5
4
9
5
1
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.
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.