Ajay starts from Point A and drives 20 km towards South. He then takes a left turn, drives 5 km, turns left and drives 30 km. He then takes a right turn and drives 8 km. He takes a final right turn, drives 10 km and stops at Point Q. How far (shortest distance) and towards which direction should he now drive to reach Point A again? (All turns are 90° turns only.)