PlaySudoku.us
Medium · Puzzle #263
8
3
4
5
2
8
4
3
7
9
9
7
6
1
3
8
1
5
3
7
4
5
6
4
7
6
2
9
4
8
6
8
"Doubt is not a pleasant condition, but certainty is an absurd one." — Voltaire
"Doubt is not a pleasant condition, but certainty is an absurd one." — Voltaire
At peak Sudoku popularity in 2006, over 600 different Sudoku books were published in a single year.
At peak Sudoku popularity in 2006, over 600 different Sudoku books were published in a single year.