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How to solve Videos Forum Timed Rankings Books PDF Print 22 Apr 2019
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 522 times
Calcudoku twin  -  these two puzzles have the same solution

abcdef
1 
144×

17+


2 



14+


3 

2 :


15+

4 


15+


18×
5 
13+



0-

6 





1
abcdef
1 
144×
12×


9+
20×
2 






3 

1-

600×
18×

4 
150×





5 

9+


19+

6 






total
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