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How to solve Videos Forum Timed Rankings Books Specials Print 20 Sep 2017
Easy:
4×4
5×5
Sudoku
Medium:
4×4
5×5
6×6
7×7
8×8
Killer
Sudoku
Difficult:
4×4
5×5
7×7
Extra
Difficult 4 × 4, Rating:   Points: 2     Solved 622 times
abcd
1 
17+

5+

2 



7+
3 
0-



4 


7+

total
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