A parallelogram is a quadrilateral with two sets of parallel sides.
You are given three distinct points A(xA,yA), B(xB,yB) and C(xC,yC) in the plane.
Consider all non-degenerate parallelograms such that A, B, and C are three of its vertices. Your method should return the difference between the largest and the smallest possible perimeter of such a parallelogram. If there is no such parallelogram, return -1 instead.
|-||xA, yA, xB, yB, xC and yC will be between -5,000 and 5,000, inclusive.|
|-||A, B, and C will be three different points.|