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:
[77, 43, 83, 42]

Ex Output:
1


Ex Input:
[-27, -83, 2, -71, -4, 66, -16, 66, 35]

Ex Output:
0


Ex Input:
[43, 49, -72, -93, 8, -47, -78, -45, 54]

Ex Output:

2