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: [45, -11, 81, -75, 42, -33, -43, 19, -4]
Example Output: 3

Example Input: [-15, -16, -56, 80, -28]
Example Output: 1

Example Input: [85, -12, -72, -100]
Example Output:
28