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

Ex Output:
2


Ex Input:
[97, -15, -90]

Ex Output:
75


Ex Input:
[24, -16, -68, -38, 12, 87, -70, -74]

Ex Output:

2