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How to solve Videos Forum Timed Rankings Books Specials Print 27 Jul 2017
Easy:
4×4
5×5
Sudoku
Medium:
4×4
5×5
6×6
8×8
Killer
Sudoku
Difficult:
4×4
5×5
6×6
8×8
12×12
Extra
Difficult 8 × 8, Rating: ★★★★★  Points: 8     Solved 29 times
abcdefgh
1 
2-
2 mod

2-

2-
17+

2 


1-
9+
3 mod



3 
1 mod
2



6
15+

4 

2-

2-

3

5+
5 
1-
0 mod

7

11+


6 

5-
2 :

5 :
18+

7 
3 mod

16+




7
8 

6


3 mod

3-

Note: this puzzle also uses the modulo operator mod
a mod b = r means that when dividing a by b, the remainder is r. For example, 5 mod 2 = 1, and 3 mod 5 = 3.
Look here for some more explanations.

total
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