9 August 2022

• curprev 09:4609:46, 9 August 2022 Bearjere talk contribs 802 bytes +168 Added solution 2

26 November 2019

• curprev 18:1818:18, 26 November 2019 Rayfish talk contribs m 634 bytes −1 No edit summary

21 July 2017

• curprev 17:0717:07, 21 July 2017 Stormstar-- talk contribs 635 bytes −286 No edit summary

17 April 2017

• curprev 20:3120:31, 17 April 2017 Kevinmathz talk contribs 921 bytes +92 →Comment

5 November 2015

• curprev 19:3519:35, 5 November 2015 Drkotlovmath talk contribs 829 bytes +195 →Solution

4 July 2013

• curprev 09:2109:21, 4 July 2013 Nathan wailes talk contribs 634 bytes +15 No edit summary

28 July 2011

• curprev 16:2516:25, 28 July 2011 Joshxiong talk contribs 619 bytes +186 No edit summary

22 May 2010

• curprev 19:3419:34, 22 May 2010 5849206328x talk contribs 433 bytes 0 No edit summary

18 January 2008

• curprev 16:5016:50, 18 January 2008 Azjps talk contribs m 433 bytes +433 s