PlaySudoku.us
Medium · Puzzle #373
6
7
2
5
8
5
6
2
9
7
8
1
9
2
7
6
5
1
9
4
2
8
1
4
3
5
9
3
7
3
1
4
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.