PlaySudoku.us
Easy · Puzzle #906
1
6
2
4
5
9
1
7
3
8
4
1
8
5
6
2
7
8
5
9
6
3
6
2
3
7
4
8
6
1
3
4
5
4
6
5
8
3
1
8
7
3
4
9
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.