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: [43, 46, -1, -75, 29]

Output: 3


Input: Consider Input: [81, -17, -25, 26, 71, 90]


Output: 8