The person is initially heading South. He turns left: If he's facing South, a left turn will make him face East.
3. He turns left again: Turning left from East will make him face North.
4. He turns right: Turning right from North will make him face East.
5. He turns **about**: Turning about means a 180-degree turn. From East, this will make him face **West**. So, after all the turns, the person is now facing **West**.