PlaySudoku.us
Medium · Puzzle #274
7
8
1
5
3
8
5
1
9
5
3
6
8
7
2
6
3
2
5
7
1
5
8
6
4
9
2
4
1
7
1
6
8
2
7
9
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.