Sudoku No. 73
4
7
9
6
4
3
7
1
3
9
6
2
1
6
8
2
8
6
4
9
3
1
6
5
4
5
1
8
9
5
9
2
8
2
9
5
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. 73, gentlePoint Paper, /sudoku/73