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: [-62, -48, -63, 29, -98, -31]
Example Output: 1

Example Input: [-18, -68, -46, -34]
Example Output: 12

Example Input: [-78, 5, -98, 36]
Example Output:
20