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How to solve Videos Forum Timed Rankings Books PDF Print 22 Aug 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 17 times
abcdefgh
1 
2
12+
3
21+

5
1 mod

2 
2 mod

56×


3-
1-
1-
3 

6 mod

10×




4 
7

6+

0 mod

24×
13+
5 
3-


12+
224×
3


6 

7+




5

7 
1 mod

13+


1-

5 mod
8 
1 mod

2

1 mod

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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