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:
[5, -50, 62, 30, -18, 45]

Ex Output:
15


Ex Input:
[4, -99, 5]

Ex Output:
1


Ex Input:
[66, -61, 28]

Ex Output:

38