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:
[-59, -97, -61, -87, 73, -53, -57]

Ex Output:
2


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

Ex Output:
6


Ex Input:
[90, 25, 47, -19]

Ex Output:

22