Last seen in:
- The Sun - Two Speed - Oct 19 2020
- Wall Street Journal - Aug 27 2019 - Binary System
- The Sun - Two Speed - Jun 17 2018
- The Guardian - Quick crossword No 12,637 - Nov 10 2010
- Thinks.com - Oct 23 2010
- Thinks.com - Oct 23 2009
- New York Times - May 6 2009
- Thinks.com - Oct 23 2008
- Thinks.com - Oct 23 2007
- Newsday.com - Apr 8 2007