Sudoku No. 90
8
3
5
6
2
9
9
4
8
3
5
7
2
9
3
1
1
4
2
6
4
8
7
6
1
3
6
2
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. 90, moderatePoint Paper, /sudoku/90