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:
[-84, 52, -37, -65, -99, 21, -68]

Ex Output:
3


Ex Input:
[58, 77, -59, -46, -6, -29, -68]

Ex Output:
9


Ex Input:
[50, -52, 29, 24, 30, -65, 51]

Ex Output:

1