In this task you will be given a list of integers. You should find the minimum absolute difference between 2 integers in the list. The absolute difference is the absolute value of one integer subtracted by another. The output should be a single integer which is the smallest possible absolute distance.

Ex Input:
[41, -94, 8, -31, 21]

Ex Output:
13


Ex Input:
[37, 45, 56, -63, 84, 75, -92, -59, -31]

Ex Output:
4


Ex Input:
[2, -20, 41]

Ex Output:

22