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: [-45, -68, 47, -16, -32, 86, -100, -85, 89]

Output: 3


Input: Consider Input: [71, -88, -57]


Output: 31