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, 54, 4]

Ex Output:
16


Ex Input:
[73, 90, -98, -16, 94, -80, 94]

Ex Output:
0


Ex Input:
[-43, 8, 36, 35, 90, -66, -76, 77, 58]

Ex Output:

1