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:
[66, 15, 100, 70, -17, -56, 50]

Ex Output:
4


Ex Input:
[-64, 43, -9, 83, 90, -55, -4]

Ex Output:
5


Ex Input:
[87, 62, -55]

Ex Output:

25