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:
[-6, -9, -65, 90, 31, 64, 80, 79, 31]

Ex Output:
0


Ex Input:
[5, -50, 62, 30, -18, 45]

Ex Output:
15


Ex Input:
[67, -31, 26, -27, 32, 56]

Ex Output:

4