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How to solve Videos Forum Timed Rankings Books Specials Print 18 Jan 2018
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 186 times
Calcudoku twin  -  these two puzzles have the same solution

abcde
1 
1-

9+
7+

2 



13+

3 
11+

17+


4 



9+

5 





abcde
1 
40×


12+

2 

1-

4-
3 


2-

4 
10+

60×


5 





total
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