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: [-9, 15, 96, 36, 56, 70]
Example Output: 14

Example Input: [-39, 40, 47, -92, -30]
Example Output: 7

Example Input: [4, 13, 31]
Example Output:
9