2 July 2025

• curprev 01:1901:19, 2 July 2025 Sevenoptimus talk contribs 2,488 bytes +1,090 Improved explanation, formatting, and grammar, and added a second solution

14 December 2021

• curprev 11:5511:55, 14 December 2021 Dairyqueenxd talk contribs 1,398 bytes +1 →Solution
• curprev 11:5411:54, 14 December 2021 Dairyqueenxd talk contribs 1,397 bytes −10 →Problem

31 May 2021

• curprev 09:5109:51, 31 May 2021 Mobius247 talk contribs 1,407 bytes +1 →Solution

26 January 2021

• curprev 13:0913:09, 26 January 2021 Ezraft talk contribs m 1,406 bytes +1 →Solution

30 October 2020

• curprev 20:0820:08, 30 October 2020 Thestudyofeverything talk contribs 1,405 bytes +19 →Solution
• curprev 19:5119:51, 30 October 2020 Thestudyofeverything talk contribs 1,386 bytes +56 →Solution

4 August 2020

• curprev 22:1222:12, 4 August 2020 Tkfun talk contribs m 1,330 bytes −27 →Solution

25 March 2020

• curprev 13:5513:55, 25 March 2020 Dolphin7 talk contribs 1,357 bytes +14 →Solution
• curprev 13:5313:53, 25 March 2020 Dolphin7 talk contribs 1,343 bytes 0 →Solution
• curprev 13:5313:53, 25 March 2020 Dolphin7 talk contribs 1,343 bytes +27 →Solution
• curprev 13:4813:48, 25 March 2020 Dolphin7 talk contribs 1,316 bytes −19 →Solution

8 August 2017

• curprev 20:0320:03, 8 August 2017 Stormstar-- talk contribs 1,335 bytes +13 No edit summary

26 November 2015

• curprev 11:5811:58, 26 November 2015 Mzhang talk contribs 1,322 bytes −88 →See Also

4 July 2013

• curprev 10:3010:30, 4 July 2013 Nathan wailes talk contribs 1,410 bytes +15 No edit summary

2 August 2006

• curprev 15:3915:39, 2 August 2006 JBL talk contribs 1,395 bytes +66 wikifying
• curprev 13:1513:15, 2 August 2006 Xantos C. Guin talk contribs m 1,329 bytes +54 No edit summary
• curprev 13:1413:14, 2 August 2006 Xantos C. Guin talk contribs 1,275 bytes +1,275 added problem and solution