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How to solve Videos Forum Timed Rankings Books Specials Print 18 Oct 2017
Easy:
4×4
5×5
Sudoku
Medium:
4×4
5×5
6×6
7×7
8×8
Killer
Sudoku
Difficult:
4×4
5×5
7×7
Extra
Medium 8 × 8, Rating: ★★  Points: 7     Solved 590 times
Calcudoku twin  -  these two puzzles have the same solution

abcdefgh
1 
2
2-


15+

1-
2 
12+

192×

14+

15×

3 



15+



96×
4 
16+


22+



5 





7

30×
6 
18+

22+

384×

1

7 

7+


120×


21×
8 
6







abcdefgh
1 
42×

18+

8+

28+

2 

12+


2



3 
6+

7+
56×
210×

144×

4 

12+






5 



3
896×


1-
6 
3
588×

4
15+

4 :

7 
1-


80×



11+
8 





5


total
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