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How to solve Videos Forum Timed Rankings Books Print 19 Feb 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
Medium 6 × 6, Rating: ★★★  Points: 5     Solved 588 times
Calcudoku twin  -  these two puzzles have the same solution

abcdef
1 
12×

60×

6
2-
2 
8+


5+
60×

3 


17+



4 
5


9+

2-
5 
4





6 
3-

10×


abcdef
1 
12×
1
48×

60×

2 


5


14+
3 
3
4
7+



4 
1800×
2 :

2 :


5 


0-
2

1-
6 






total
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