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: [33, 68, 9, 28, 76, 37, -61, 49]
Example Output: 4

Example Input: [84, -50, -100, 24, -3, 21, 49]
Example Output: 3

Example Input: [18, -52, 73]
Example Output:
55