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:
[-86, -64, -76, -44, -31, 84, -40]

Ex Output:
4


Ex Input:
[68, -44, 72, 0, 64, 14, 16, -56]

Ex Output:
2


Ex Input:
[44, -89, 94, 14, 45, 66, 4, 5]

Ex Output:

1