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:
[-69, 33, -73, -51, -43, 69]

Ex Output:
4


Ex Input:
[75, -78, 38, -76, -44, -47, -26, 70, -8]

Ex Output:
2


Ex Input:
[55, 34, -30, -83]

Ex Output:

21