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, 25, -64, -71]

Ex Output:
6


Ex Input:
[-21, 11, 84, -2, 26, 64, 54, -49, 28]

Ex Output:
2


Ex Input:
[-97, 81, 27, 52, 57, -29, 24, 20]

Ex Output:

3