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:
[-89, 51, 48, 64, 13, -97, 68]

Ex Output:
3


Ex Input:
[43, -94, -24, 70, 16, -90]

Ex Output:
4


Ex Input:
[77, 67, 65, -60, -74]

Ex Output:

2