More puzzles from Chris Maslanka and his guests as they attempt to baffle each other with more mindbending brainteasers based on words, numbers and logic. On this week's panel are medical physicist and maze-designer Professor Angela Newing , magician Geoffrey Durham and author and puzzle-setter Paul Lamford. Send your puzzles and answers to Puzzle Panel,
BBC Radio 4. London W1A 1AA Email: puzzle.panel@>bbc.co.uk Producer Clare Csonka