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:
[1, -72, 66, -75, 52, -40]

Ex Output:
3


Ex Input:
[-86, -23, 18, -91, 71, -38, 67, 80, -22]

Ex Output:
1


Ex Input:
[-28, 71, -49, 3, 17, -95, 96, -20, 28]

Ex Output:

8