15.A road network has parallel and perpendicular roads running north-south or east- west only.Junctions Intersections on this road network are marked as A B.C D.MI junctions are at exactly half a kilometer distance from each other.The following is known about junctions A B.C H and X. A' is east of 'B' and west of ' C '.H' is southwest of 'C' and southeast of B. A.H B B.H C C.quad C H