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:
[-4, -47, 40, -40, -3, -76, 73, 68, 91, -61]

Ex Output:
1


Ex Input:
[72, 18, -88]

Ex Output:
54


Ex Input:
[83, 55, 61]

Ex Output:

6