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, -11, 81, -75, 42, -33, -43, 19, -4]

Ex Output:
3


Ex Input:
[94, -64, 72, 99]

Ex Output:
5


Ex Input:
[-45, 63, 32, -16, -49, -41, 78, -92]

Ex Output:

4