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:
[-88, -33, -29, -31, 29]

Ex Output:
2


Ex Input:
[67, 18, 85, -4, 11, 63]

Ex Output:
4


Ex Input:
[33, -74, -55]

Ex Output:

19