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:
[-17, -32, 25, 18]

Ex Output:
7


Ex Input:
[-97, 69, -31, -70, 50, -27, 8, -1, -11]

Ex Output:
4


Ex Input:
[-23, -76, -14, 22]

Ex Output:

9