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:
[49, 26, -15, 47, 23, 27, -82, 31, 29]

Ex Output:
1


Ex Input:
[-56, 57, -62, 43]

Ex Output:
6


Ex Input:
[-14, 70, 51, -91, -70, 43, 70]

Ex Output:

0