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: [-20, -69, -29, -13]

Output: 7


Input: Consider Input: [-5, -44, 81, -31, 87, 45]

Output: 6


Input: Consider Input: [-75, -87, 52, -63, 80, -40, 99]


Output: 12