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How to solve Videos Forum Timed Rankings Books  PDF Print 23 Apr 2018
Easy:
4×4
5×5
6×6
Killer
Sudoku
Medium:
4×4
6×6
7×7
Sudoku
Difficult:
4×4
5×5
6×6
7×7
9×9
Extra
Difficult 9 × 9, Rating: ★★★★★  Points: 10     Solved 136 times
abcdefghi
1 
9
4-
96×

480×

1
7
6
2 
5





2 :
2 :
63×
3 
24×
40×

9
19+




4 


6+

2-

30×

7+
5 
2
60×



16+

72×

6 
1-

210×





16×
7 



1344×
8+
252×
45×


8 
20+






8+

9 

9 :


8

2

5
total
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