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:
[77, 55, 60, -17, 38, -92, -92, 42]

Ex Output:
0


Ex Input:
[-56, 57, -62, 43]

Ex Output:
6


Ex Input:
[-45, -16, -91, 54]

Ex Output:

29