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:
[-4, 77, 44]

Ex Output:
33


Ex Input:
[21, -75, 72]

Ex Output:
51


Ex Input:
[-75, -21, 27, 94, -42, -56]

Ex Output:

14