PlaySudoku.us
Easy · Puzzle #780
6
7
9
4
3
2
1
6
7
4
3
4
5
7
2
1
7
4
3
9
1
1
2
3
8
6
3
4
9
3
5
7
1
4
8
2
6
8
1
1
8
3
2
7
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.