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:
[22, 70, -1, 91, 40, 55, -36, -1, 84]

Ex Output:
0


Ex Input:
[-20, -69, -29, -13]

Ex Output:
7


Ex Input:
[98, -41, -57]

Ex Output:

16