Sudoku No. 67
7
6
8
2
4
9
1
8
3
4
7
4
1
2
6
8
9
4
8
6
4
2
5
2
8
6
3
3
4
5
1
5
7
9
Fill every empty square with a digit from 1 to 9.
Each row, each column and each of the nine 3×3 boxes contains every digit exactly once.
The printed digits are fixed. Every puzzle has one solution and never needs a guess.
Sudoku No. 67, gentlePoint Paper, /sudoku/67