PlaySudoku.us
Medium · Puzzle #605
3
7
8
5
5
4
7
2
9
9
3
2
3
7
9
4
3
6
3
6
8
2
3
6
9
5
7
1
3
4
2
3
7
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.
"Even the laziest king flees wildly in the face of a double check!" — Aaron Nimzowitsch
"Even the laziest king flees wildly in the face of a double check!" — Aaron Nimzowitsch