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: [-37, 62, -79, -58, 4, 23, -97]
Example Output: 18

Example Input: [-51, 28, -16, 88, -11, -38, 26, 59, -58]
Example Output: 2

Example Input: [-60, 9, -42, -51, 89, -7, 97, -90, 13]
Example Output:
4