PlaySudoku.us
Medium · Puzzle #337
5
9
8
4
7
5
4
6
9
1
9
5
9
1
4
7
5
3
2
3
9
5
4
6
3
6
8
4
2
1
9
3
7
8
3
7
8
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.