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: [-11, 20, -57, -39]
Example Output: 18

Example Input: [-86, -23, 18, -91, 71, -38, 67, 80, -22]
Example Output: 1

Example Input: [-35, -50, -24, 68, -94, 81]
Example Output:
11