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:
[33, 68, 9, 28, 76, 37, -61, 49]

Ex Output:
4


Ex Input:
[12, 95, 55, -63, 14, -7, 31, 39, -31]

Ex Output:
2


Ex Input:
[-91, -70, 79, 44, 32, 66, 37]

Ex Output:

5