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How to solve Videos Forum Timed Rankings Books PDF Print Subscribe 17 Oct 2021
Easy:
4×4
5×5
6×6
Killer
Sudoku
Medium:
4×4
5×5
6×6
8×8
Sudoku
Difficult:
4×4
5×5
6×6
12×12
Extra
Difficult 6 × 6, Rating: ★★★  Points: 7     Solved 249 times
Calcudoku twin  -  these two puzzles have the same solution

abcdef
1 
0-

11+
360×


2 




6 :

3 
60×


180×

60×
4 

21+




5 




7+

6 

1-



2
abcdef
1 
15×
9+

9+

3-
2 




10+

3 
13+

24+


15+
4 






5 
5+


18×


6 

1-


7+

total
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