PlaySudoku.us
Medium · Puzzle #850
3
5
9
8
2
4
1
4
2
5
7
3
1
4
6
5
1
8
1
7
5
9
8
1
2
4
3
6
5
6
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.