PlaySudoku.us
Hard · Puzzle #762
8
7
5
3
6
7
3
2
4
9
5
5
3
7
2
6
2
1
5
6
4
4
5
9
6
9
4
8
3
The number of essentially different Sudoku grids (accounting for symmetry) is 5,472,730,538 — about 5.5 billion.
The number of essentially different Sudoku grids (accounting for symmetry) is 5,472,730,538 — about 5.5 billion.
The number of essentially different Sudoku grids (accounting for symmetry) is 5,472,730,538 — about 5.5 billion.
The number of essentially different Sudoku grids (accounting for symmetry) is 5,472,730,538 — about 5.5 billion.