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: [-16, 67, -56, 69, 26, 66]
Example Output: 1

Example Input: [-40, 14, 27, -73, 88]
Example Output: 13

Example Input: [-21, -77, 79]
Example Output:
56