PlaySudoku.us
Medium · Puzzle #322
7
1
7
3
6
5
9
7
9
2
4
3
3
6
1
7
1
5
3
6
4
9
7
3
6
2
2
1
5
8
7
9
6
"The measure of intelligence is the ability to change." — Albert Einstein
"The measure of intelligence is the ability to change." — Albert Einstein
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.