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How to solve Videos Forum Timed Rankings Books Specials Print 16 Aug 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 609 times
Calcudoku twin  -  these two puzzles have the same solution

abcdefgh
1 
210×

8
10+
15+


1-
2 

72×




9+

3 
8


0-
12+
1-


4 
21×






12+
5 
11+

336×

18×



6 



14+


896×

7 
3
80×
1-


168×


8 



12×




abcdefgh
1 
20+
1-


84×

6
2 


4
13+

8


3 

0-

490×


5
5+
4 
7 :



18+



5 

2-

22+


30×

6 
192×

180×


0-
1-

7 







0-
8 

5

1-

7


total
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