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.

Example Input: [78, -81, -81, 33, -12, -16]
Example Output: 0

Example Input: [-53, 77, -59, 32, 33, -88, -88, 45, 31]
Example Output: 0

Example Input: [66, 21, 30, -18, 26, 12, -71, -77]
Example Output:
4