7
1
5
4
2
7
9
1
5
7
1
4
9
6
7
9
5
6
4
2
9
6
7
2
1
9
3
8
7
7
5
6
4
9
3
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.