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:
[15, -78, -45, 29, 15]

Ex Output:
0


Ex Input:
[10, 19, 44, -34, -10, -22, 53, -2]

Ex Output:
8


Ex Input:
[32, -11, -69]

Ex Output:

43