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How to solve Videos Forum Timed Rankings Books PDF Print 23 Jul 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 278 times
Calcudoku twin  -  these two puzzles have the same solution

abcdef
1 
0-

120×

12+

2 

30×




3 


11+

13+

4 
17+


300×


5 


18×


4
6 
4





abcdef
1 
12+

120×

2-

2 
2-




0-
3 

100×

12×


4 
12+



2-

5 

108×

5

40×
6 
4





total
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