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:
[-30, -22, 17, 70]

Ex Output:
8


Ex Input:
[25, -94, -95, -72, 55]

Ex Output:
1


Ex Input:
[54, -19, -47, -3]

Ex Output:

16