2
2
1
7
8
7
5
1
3
6
4
3
1
8
6
9
7
1
8
5
3
9
3
1
6
6
1
9
2
7
4
7
8
2
4
3
9
Start with Naked Singles — cells where only one digit can possibly go. They're the easiest wins.
Start with Naked Singles — cells where only one digit can possibly go. They're the easiest wins.
Start with Naked Singles — cells where only one digit can possibly go. They're the easiest wins.
Start with Naked Singles — cells where only one digit can possibly go. They're the easiest wins.