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:
[-77, -54, -84, -83, 21]

Ex Output:
1


Ex Input:
[31, -91, -60, 70, -34, 15, -69, -56]

Ex Output:
4


Ex Input:
[19, 52, -93, 97]

Ex Output:

33