PlaySudoku.us
Medium · Puzzle #24
9
1
6
2
7
6
8
4
6
3
1
4
5
8
2
1
3
6
1
7
4
5
7
9
1
9
7
2
8
4
5
4
8
5
6
"Everything we call real is made of things that cannot be regarded as real." — Niels Bohr
"Everything we call real is made of things that cannot be regarded as real." — Niels Bohr
The minimum number of clues (17) needed for a unique Sudoku was proved by exhaustive computer search in 2012.
The minimum number of clues (17) needed for a unique Sudoku was proved by exhaustive computer search in 2012.