UPSC Civil Services 2016 Prelims General Studies Paper II

A person X was driving in a place where all roads ran either north-south or east-west, forming a grid. Roads are at a distance of 1‌km from each other in a parallel. He started at the intersection of two roads, drove 3‌km north, 3‌km west and 4‌km south. Which further route could bring him back to his starting point, if the same route is not repeated?