PlaySudoku.us
Easy · Puzzle #843
4
2
9
6
5
7
6
8
2
5
5
7
3
1
6
8
2
1
4
8
7
6
9
9
8
4
5
3
6
3
2
8
7
6
4
2
8
9
5
8
1
5
4
3
6
2
3
5
1
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.