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:
[-16, -90, 84, 18]

Ex Output:
34


Ex Input:
[-84, 71, 54]

Ex Output:
17


Ex Input:
[12, 78, -39, -65, 28, 96, 71]

Ex Output:

7