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How to solve Videos Forum Timed Rankings Books Specials Print 12 Dec 2017
Easy:
4×4
5×5
6×6
Killer
Sudoku
Medium:
4×4
6×6
8×8
Killer
Sudoku
Difficult:
4×4
6×6
8×8
9×9
Extra
Difficult 4 × 4, Rating:   Points: 2     Solved 690 times
abcd
1 
2-

15+

2 
16+



3 



1-
4 
2



total
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