Amit was driving in New Town, where all roads either north-south or east-west forming a grid. Roads were at a distance of 1 km from each other in parallel.
Amit started at the intersection of streets no. 7 and 8. He drove 3 km north, 3 km west and 4 km south. Which further route could bring him back to his starting point?
I. 3 km east, then 2 km south
II. 1 km north, then 3 km east
III. 1 km north, then 2 km west