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How to solve Videos Forum Timed Rankings Books Print 22 Feb 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
Medium 5 × 5, Rating: ★★  Points: 4     Solved 260 times
Calcudoku twin  -  these two puzzles have the same solution

abcde
1 
11+

10+

5+
2 

8+

1-

3 



1
4 


30×

1-
5 
7+

1


abcde
1 
2
16×
15×

2 
2-




3 

7+

60×

4 
1-



11+
5 

2-



total
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