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: [21, -75, 72]
Example Output: 51

Example Input: [-4, 77, 44]
Example Output: 33

Example Input: [38, -24, 95, 50]
Example Output:
12