PlaySudoku.us
Easy · Puzzle #825
7
6
8
1
5
9
4
7
4
6
1
4
1
5
3
2
8
4
3
2
5
1
9
1
5
4
3
8
2
8
9
5
4
4
3
6
2
7
3
5
7
1
2
6
1
6
2
3
4
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.