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How to solve Videos Forum Timed Rankings Books PDF Print 21 Mar 2019
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 212 times
abcdefgh
1 
1 mod
2
1 mod
4
1 mod
3-

7+
2 

8

3 mod

12+
15+

3 
5+

0 mod





4 
0 mod
3 mod

2
9+
2-

0-
5 


3 mod


2-


6 
3-

8
6
7 mod

10×

7 
2 mod

16+


108×
3-

8 

5





8

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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