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:
[61, 15, 100, 68, 2]

Ex Output:
7


Ex Input:
[-12, 47, -59, -45]

Ex Output:
14


Ex Input:
[-71, -66, 93, -40, 65, 91]

Ex Output:

2