PlaySudoku.us
Medium · Puzzle #931
9
5
3
6
4
2
8
3
7
5
8
6
9
6
9
2
1
4
1
6
4
8
3
7
9
8
2
8
4
6
1
7
2
5
3
7
1
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.