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, 30, 75, -47]

Ex Output:
2


Ex Input:
[23, -26, -68, 45, -85]

Ex Output:
17


Ex Input:
[-52, 62, -4, 30]

Ex Output:

32