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How to solve Videos Forum Timed Rankings Books Specials Print 29 Jun 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: 3     Solved 170 times
Calcudoku twin  -  these two puzzles have the same solution

abcde
1 
7+
13+
4-

120×
2 





3 
15+



1-
4 


5+


5 



1-

abcde
1 
7+
13+

20×

2 




3 
20×

60×
2

4 




10×
5 
3+

1-


total
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