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:
[70, -17, -98, -98, -68]

Ex Output:
0


Ex Input:
[-14, 9, -15, -29, 30, -19]

Ex Output:
1


Ex Input:
[73, 2, -81]

Ex Output:

71