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: [21, -75, 72]

Output: 51


Input: Consider Input: [-45, 30, 75, -47]

Output: 2


Input: Consider Input: [15, 93, -95, 78, 95, 49]


Output: 2