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9 Mar 2014
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
7 × 7 User Puzzle, Rating: ★★★★★      Solved 97 times
This is a User Created Puzzle, today created by: kozibrada
Description: This puzzle took 2 hours to create. Can you solve it in less time?  Points: 7
abcdefg
1
5
2 :
3-
1^

2-
3 :
2

3
6
0 :
30×

0 mod

4

30×
30×

144×
5
4+

6

216×

2|

7

5

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.

Note: this puzzle also uses the bitwise OR operator |
(see for example this page or this forum page for an explanation)

Note: this puzzle also uses the exponentiation operator ^
Example: 2^3 = 2 x 2 x 2 = 8
Or, with three digits: 2^4^2 = 2^(4^2) = 2^16 = 65536
Note: evaluation is right to left

Note: in this puzzle, use the numbers 0-6 instead of 1-7 !

total
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