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How to solve Videos Forum Timed Rankings Books Specials Print 24 Nov 2017
Easy:
4×4
6×6
Sudoku
Medium:
4×4
6×6
Killer
Sudoku
Difficult:
4×4
6×6
9×9
10×10
Killer
Extra
Difficult 9 × 9, Rating: ★★★★★  Points: 10     Solved 161 times
abcdefghi
1 
2
1680×
3-

18+

18+

24×
2 



1-



18+

3 
12×

2-

1-
4-



4 

8+



5
2 :

5-
5 
9

23+


3-

2

6 
4 :

2 :

9

7
90×
5
7 

36×

18+





8 
5

135×


17+
672×


9 
18×


9


4


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


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