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How to solve Videos Forum Timed Rankings Books  PDF Print 21 May 2018
Easy:
4×4
5×5
6×6
Killer
Sudoku
Medium:
4×4
6×6
7×7
Sudoku
Difficult:
4×4
5×5
6×6
7×7
9×9
Extra
Difficult 5 × 5, Rating: ★★  Points: 3     Solved 544 times
abcde
1 
-4×

2+

-1
2 
-1+

1-

0-
3 

2 :


4 
3+



5 

1+

2 :

Note: in this puzzle, use the numbers from -2 to 2 instead of 1-5 !
To enter a negative number, first press the number, then the - key. To enter a negative guess, press Ctrl + the number
(so Ctrl+2 to enter -2 as a guess, for example)(use Shift + number for positive number guesses)

total
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