PlaySudoku.us
Medium · Puzzle #157
5
2
3
4
9
7
6
9
4
3
8
5
5
2
4
7
1
9
8
3
8
3
4
7
2
5
3
7
9
5
8
1
6
9
6
7
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.