PlaySudoku.us
Medium · Puzzle #751
8
3
2
5
7
2
3
8
9
2
4
4
6
9
1
3
5
2
4
8
9
4
2
1
6
7
6
1
8
3
4
3
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.