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How to solve Videos Forum Timed Rankings Books PDF Print Subscribe 6 May 2021
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 44 times
abcdefgh
1 
5 mod
1
4 :

13+
24×

3 mod
2 

32×




0 mod

3 
1 mod
1 mod

30×

4-

9+
4 

2-

3-


19+

5 
1-

0 mod
10+



2 mod
6 

5

7 :
1 mod

8

7 
8
6
5 mod


12+

9+
8 
4
7

1-

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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