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:
[20, 54, 4]

Ex Output:
16


Ex Input:
[43, 49, -72, -93, 8, -47, -78, -45, 54]

Ex Output:
2


Ex Input:
[-95, 80, 17, -31, -35]

Ex Output:

4