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:
[20, 43, 2, -55]

Ex Output:
18


Ex Input:
[77, 9, 85, 33, -67, 98, -59, 14]

Ex Output:
5


Ex Input:
[-85, -88, -89, -31, -19]

Ex Output:

1