PlaySudoku.us
Medium · Puzzle #436
9
5
6
7
8
1
8
9
7
7
4
8
3
3
4
1
1
9
6
8
1
9
6
3
4
4
1
2
8
2
9
3
6
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.