PlaySudoku.us
Medium · Puzzle #213
6
5
4
8
1
7
6
2
4
7
4
9
8
2
1
4
6
4
8
7
6
7
1
5
5
4
9
6
3
8
1
6
4
2
3
There are Sudoku variants with extra constraints: Killer Sudoku (cage sums), Diagonal Sudoku, and even 3D Sudoku.
There are Sudoku variants with extra constraints: Killer Sudoku (cage sums), Diagonal Sudoku, and even 3D Sudoku.
"It is not enough to be a good player; you must also play well." — Siegbert Tarrasch
"It is not enough to be a good player; you must also play well." — Siegbert Tarrasch