29 May 2020

• 19:0719:07, 29 May 2020 diff hist +71 2001 IMO Shortlist Problems/C5 No edit summary current

26 March 2009

• 21:0421:04, 26 March 2009 diff hist −15 m 2003 AMC 12A Problems No edit summary

21 March 2009

• 13:3813:38, 21 March 2009 diff hist +116 2006 AMC 12B Problems/Problem 19 →Problem
• 13:3613:36, 21 March 2009 diff hist +424 2006 AMC 12B Problems/Problem 19 No edit summary

12 March 2009

• 20:5220:52, 12 March 2009 diff hist −16 Sophie Germain Identity No edit summary