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How to solve Videos Forum Timed Rankings Books Print 19 Feb 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 208 times
abcdefghi
1 
21+
1
20+

9+
3
6-

6
2 



42×

72×

0-

3 
3+

48×

42×

0-

1-
4 

5



3-



5 
4
17+
2-

16×

3-

35×
6 
2 :




2
29+


7 

1-

9


7
1 :
8 
19+

288×



22+


9 




9




total
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