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How to solve Videos Forum Timed Rankings Books Specials Print 15 Dec 2017
Easy:
4×4
6×6
Sudoku
Medium:
4×4
6×6
Killer
Sudoku
Difficult:
4×4
6×6
9×9
10×10
Killer
Extra
Difficult 6 × 6, Rating: ★★★  Points: 5     Solved 540 times
abcdef
1 
6
12+



3
2 
11+
1-


120×
3 


30×
15×


4 

18×


48×

5 






6 
4
15+



2
total
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