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: [43, 34, 44, -40, -37, -38, -21, 86, -13]
Example Output: 1

Example Input: [17, 9, -47, 96, 76, -42]
Example Output: 5

Example Input: [-90, 59, 90]
Example Output:
31