Contributions to the week 19-25, 2003 Adam Stinchcombe,Johann Wiesenbauer and Faride Firoozbakht sent contributions to the Puzzle 226 Posted on Saturday, July 26, 2003

Week 12-18, July 2003 Ken Wilke and Luis Rodríguez sent contributions to the Puzzle 225. Posted on Saturday, July 19, 2003

Week 5-11 July, 2003 J. C. Rosa, Jan van Delden and Ken Wilke have made independent and very interesting contributions to Puzzle 224. Luis Rodríguez has shown why Conjecture 35 works. Posted on Saturday, July 12, 2003