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:
[-100, 81, -92, -73, -71, 57, -17, 51, 91]

Ex Output:
2


Ex Input:
[74, 58, 24, -49, -51]

Ex Output:
2


Ex Input:
[12, -70, -70, -57, 94, 32, -56]

Ex Output:

0