PlaySudoku.us
Medium · Puzzle #355
5
1
8
3
4
9
5
3
5
1
4
2
9
1
6
5
1
6
8
6
7
2
1
4
7
8
4
9
3
9
7
2
1
3
8
7
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.