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:
[15, -78, -45, 29, 15]

Ex Output:
0


Ex Input:
[-14, 12, 87, -26]

Ex Output:
12


Ex Input:
[70, 68, -41, 94, -47, 17]

Ex Output:

2