PlaySudoku.us
Medium · Puzzle #634
7
3
5
8
5
2
1
6
8
9
2
7
5
8
1
6
4
4
8
9
3
4
7
9
8
6
4
5
7
2
3
6
6
7
5
3
2
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.