PlaySudoku.us
Easy · Puzzle #861
6
9
8
7
4
5
9
3
7
8
1
2
5
3
6
3
2
1
1
4
3
6
9
8
5
5
9
1
7
8
4
3
6
4
9
7
8
3
8
6
2
4
5
9
7
9
8
4
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.