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: [-28, -26, -60, 64, -18, 90, 91]
Example Output: 1

Example Input: [-45, -68, 47, -16, -32, 86, -100, -85, 89]
Example Output: 3

Example Input: [-16, -46, 47, 38, 49]
Example Output:
2