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:
[55, 33, -58, -30, -6, 1, -79, -56]

Ex Output:
2


Ex Input:
[-93, -16, 92]

Ex Output:
77


Ex Input:
[-34, -90, 21]

Ex Output:

55