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.

[-84, 52, -37, -65, -99, 21, -68]
3

[-95, -50, -2, 23]
25

[47, -4, 68, -41, -33, -25, -29]

4