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:
[10, 38, -12, 97, -60, -48, -29, -21]

Ex Output:
8


Ex Input:
[-78, 8, 41, -80, 19, -5]

Ex Output:
2


Ex Input:
[-18, -5, 90, -11, -56, 6, 20, -41]

Ex Output:

6