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, -53, 68, -20, 68, -33, 79, 34, 15]

Ex Output:
0


Ex Input:
[-30, 85, -87, 13, 85, -87, 11, 38, -80]

Ex Output:
0


Ex Input:
[17, 35, -54, -15, 93, 96, -57, -8]

Ex Output:

3