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:
[42, -42, -65, -61, -85]

Ex Output:
4


Ex Input:
[67, -93, 79]

Ex Output:
12


Ex Input:
[-81, -15, 2, -9, 99, 83]

Ex Output:

6