PlaySudoku.us
Medium · Puzzle #472
2
3
5
8
3
2
5
9
1
1
4
2
8
6
9
4
7
8
6
6
1
8
4
7
5
8
1
9
1
3
7
6
5
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.