PlaySudoku.us
Medium · Puzzle #76
3
8
9
5
4
7
6
8
1
1
7
9
6
3
6
9
7
4
2
3
2
4
1
6
9
6
3
8
2
1
9
4
3
1
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.