PlaySudoku.us
Medium · Puzzle #583
1
9
7
3
2
1
6
8
7
3
2
1
3
2
9
8
7
6
6
9
2
1
2
5
6
2
1
4
4
1
3
8
9
7
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.