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How to solve Videos Forum Timed Rankings Books Specials Print 22 Jun 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 230 times
abcdefgh
1 
0-

3
12×

56×

6
2 
2 :

1-

4 mod

1 mod
32×
3 

2-

6
3
1-


4 
126×

1-
18+


2 :
6-
5 




4-



6 
384×
5 mod

0-

8
5+

7 


12+

2
1 mod

15×
8 

1

2 mod

1 mod


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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