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.

Input: Consider Input: [-4, -30, 97, 97, -100, 1, -22, -28, 20]

Output: 0


Input: Consider Input: [36, 51, 77, -2]

Output: 15


Input: Consider Input: [1, 65, 83, 80, -38, -71, 43]


Output: 3