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:
[43, 34, 44, -40, -37, -38, -21, 86, -13]

Ex Output:
1


Ex Input:
[-85, -85, 47, 50, -45, -63, -22, 21, -62]

Ex Output:
0


Ex Input:
[-84, 51, -72, 54, -33]

Ex Output:

3