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How to solve Videos Forum Timed Rankings Books Specials Print 22 Oct 2017
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 12 × 12, Rating: ★★★★★  Points: 12     Solved 49 times
abcdefghijkl
1 
2-

3+
5-

18+

17+
23+

6-

2 
16+
6


4-

22+


16+

8-
3 

30×

360×
17+



12
2
18+

4 
5-
44×






21+


19+
5 


6
18+

27×

15+

176×


6 
6-

11
2-


4-

6-

4
30×
7 
2
12
40×

66×


21+

22+


8 
45×


6-

7


12+

3
14+
9 
4-

616×

2-
120×



1-


10 
4
14+




132×
9-


48×

11 
960×

5-

16+
7+

33×

35+


12 

63×

4


3

5



Note that now you have three days to solve the 12x12 (submit before Wednesday)

To enter 10, press 1 then 0, or 'a'. For 11: 1 then 1, or 'b'. For 12: 1 then 2, or 'c'

total
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Articles: the 10 Hardest Logic/Number Puzzles | The 7 Easiest Puzzles | Numerical Intelligence


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