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.

[-49, -16, -68, 11, 87]
19

[-81, 95, -85, -99, 41]
4

[-47, -1, -64, -94, -99, -33, -43, 9, -29]

4