Answer the questions based on the information given below. Manav starts walking from point P in west direction, after walking 5m he turns south from point Q. He then walks for 7m till point R and then turns west and walks for 6m till point S. He then turns north and walks for 11m and then turns east from point T and walks for 15m and then turns south from point U and walks for 4m till point
V. What is the shortest distance between P and V?