Difficulty:
Easy
Select a cell, then tap a number to fill in the cell
8
7
6
2
5
5
6
8
3
3
4
7
5
1
1
3
8
7
2
4
2
5
7
3
8
3
5
6
1
3
8
7
2
5
1
6
7
8
6
2
4
5