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:
[-20, 57, -40, -65, -18, -3]

Ex Output:
2


Ex Input:
[-43, -15, 92, -27, -94, 68, -99, -16]

Ex Output:
1


Ex Input:
[-71, 86, -74]

Ex Output:

3