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:
[-45, -68, 47, -16, -32, 86, -100, -85, 89]

Ex Output:
3


Ex Input:
[-62, -58, 66, -47, -74, 46, 91, 77, -35]

Ex Output:
4


Ex Input:
[46, -39, 72, 57, 74, -99, 20]

Ex Output:

2