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How to solve Videos Forum Timed Rankings Books  PDF Print 20 Apr 2018
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 9 × 9, Rating: ★★★★★  Points: 10     Solved 267 times
abcdefghi
1 
4
13+
4-

7
2-

3584×
10+
2 
5


14+





3 
9
20×

56×

270×

0-

4 
1-

10+



11+


5 

21+

14+
4

1
1-
40×
6 
2




1
2-


7 
144×

12+

280×


9 :
2 :
8 

11+

21+

20+



9 
1






42×

total
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