PlaySudoku.us
Medium · Puzzle #535
8
6
2
6
5
1
8
9
4
5
6
3
4
7
5
6
7
4
3
2
8
9
2
5
3
3
9
6
4
2
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.