List of all combinations / permutations needed to open the 3-digit code. Positive moves -- only ascending; Negatives moves -- from 0 to 5 ascending, from 0 to 6 descending;
Tested on python 2.7.10
On the occasion of my birthday, I received a gift with a blockade in the form of a 3-digit code. The only hint is that I am able to open the gift in 12 moves.