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:
[77, 55, 60, -17, 38, -92, -92, 42]

Ex Output:
0


Ex Input:
[15, -53, 68, -20, 68, -33, 79, 34, 15]

Ex Output:
0


Ex Input:
[-13, 88, -87, -51, -51, 17]

Ex Output:

0