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lisudoku
Trainer
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TV
Solver
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My solves (0)
Trainer
Learn
TV
Solver
Offline
Feedback?
My solves (0)
Auto
Theme
Sign In
Trainer
Hidden Single or Naked Single
Technique
8
1
4
4
5
1
7
9
1
2
4
5
6
4
2
6
3
9
3
8
1
7
3
8
6
4
5
2
5
8
9
2
4
3
1
7
6
6
2
4
1
7
5
8
9
3
1
2
3
4
5
6
7
8
9
Find a digit
Hidden Single or Naked Single
View solutions
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