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: [20, 43, 2, -55]
Example Output: 18

Example Input: [54, -29, 28, 81, -73, -76, 92, 11]
Example Output: 3

Example Input: [72, 94, 50]
Example Output:
22