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How to solve Videos Forum Timed Rankings Books Specials Print 19 Oct 2017
Easy:
4×4
5×5
Sudoku
Medium:
4×4
5×5
6×6
8×8
Killer
Sudoku
Difficult:
4×4
5×5
6×6
8×8
12×12
Extra
Difficult 5 × 5, Rating: ★★  Points: 4     Solved 729 times
Calcudoku twin  -  these two puzzles have the same solution

abcde
1 
12+
6+

15+

2 





3 

30×
18+

8+
4 





5 



3-

abcde
1 
160×

2-

2 
18×


7+

3 


80×

12+
4 

0-



5 
5




total
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