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:
[-91, 67, -76, -32, -64, -20, -19, 64, -31]

Ex Output:
1


Ex Input:
[-61, -99, 91, 72, 35, -44, -11, -9, 30, -1]

Ex Output:
2


Ex Input:
[-71, 46, 85]

Ex Output:

39