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.

Ex Input:
[66, 15, 100, 70, -17, -56, 50]

Ex Output:
4


Ex Input:
[63, 65, 92, 28, 2, -87, -9, -95, 69]

Ex Output:
2


Ex Input:
[54, 39, -91, -84, 29, 96, -35, 48, 43]

Ex Output:

4