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:
[-11, 20, -57, -39]

Ex Output:
18


Ex Input:
[-84, 71, 54]

Ex Output:
17


Ex Input:
[-64, 30, -25, 39, -71]

Ex Output:

7