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, 2, 16, 56, 89, -46, -67, 32, 27]

Ex Output:
3


Ex Input:
[18, 42, 73, -74, 20, 93, 79, -2, 16]

Ex Output:
2


Ex Input:
[-43, -51, 84, 17, 47, -67, -4, 91]

Ex Output:

7