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:
[80, 86, 83, 27]

Ex Output:
3


Ex Input:
[12, -29, -31, 91, -52, 49, -18]

Ex Output:
2


Ex Input:
[-1, 39, 35, 77, -63, 78]

Ex Output:

1