PlaySudoku.us
Medium · Puzzle #58
3
6
5
1
6
2
5
4
9
8
3
9
1
2
7
9
2
5
3
8
2
5
7
1
4
5
3
4
7
7
2
5
1
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.