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How to solve Videos Forum Timed Rankings PDF Print   Solution 22 Feb 2021
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: ★★      Solved 689 times
abcde
1 
0 :
1+


0+
2 

0+

0+

3 
-2×
-1×


0 :
4 


0 :


5 
1
3-


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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