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:
[-72, -18, 90, 8, -37, 61, -16]

Ex Output:
2


Ex Input:
[43, 34, 44, -40, -37, -38, -21, 86, -13]

Ex Output:
1


Ex Input:
[22, 68, -46, -8, -75, 98, -73, 20]

Ex Output:

2