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How to solve Videos Forum Timed Rankings Books  PDF Print 25 Jun 2018
Easy:
4×4
5×5
6×6
Killer
Sudoku
Medium:
4×4
6×6
7×7
Sudoku
Difficult:
4×4
5×5
6×6
7×7
9×9
Extra
Difficult 6 × 6, Rating: ★★★  Points: 7     Solved 843 times
Calcudoku twin  -  these two puzzles have the same solution

abcdef
1 
16+


18×

1-
2 

120×


1-

3 
1-


144×


4 

30×



120×
5 


9+



6 
6


5


abcdef
1 
80×

12+

1-
2 

6 :



3 

9+


20+
4 

90×

0-


5 
0-





6 




4 :

total
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