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: [-4, -30, 97, 97, -100, 1, -22, -28, 20]
Example Output: 0

Example Input: [-100, 90, -43, 27, -64]
Example Output: 21

Example Input: [-13, -42, -30, -60, -18, 66, -84, -2, 92, -40]
Example Output:
2