PlaySudoku.us
Medium · Puzzle #319
9
5
3
8
6
5
8
1
7
2
8
7
4
3
7
1
2
8
4
5
6
4
9
7
8
2
1
6
4
1
2
7
6
9
3
8
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.