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: [-72, -18, 90, 8, -37, 61, -16]
Example Output: 2

Example Input: [50, -59, -56]
Example Output: 3

Example Input: [-86, 30, -29, -65, -53, 81, 91, 90]
Example Output:
1