Sudoku No. 61
5
6
9
1
7
4
7
3
8
6
1
7
4
3
5
6
2
7
2
6
3
4
5
8
9
1
5
6
3
5
9
8
4
6
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. 61, gentlePoint Paper, /sudoku/61