PlaySudoku.us
Easy · Puzzle #528
8
2
7
5
4
7
6
2
3
7
3
6
9
8
4
6
1
7
4
3
6
1
5
3
1
6
9
5
8
2
7
9
2
5
1
3
4
9
1
2
4
3
7
6
5
3
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.