31 October 2025

• curprev 21:4621:46, 31 October 2025 Cyberhacker talk contribs 12,684 bytes −31 →Solution 8
• curprev 21:4421:44, 31 October 2025 Cyberhacker talk contribs 12,715 bytes −17 →Solution 8
• curprev 21:4221:42, 31 October 2025 Cyberhacker talk contribs 12,732 bytes +2,133 No edit summary

7 September 2025

• curprev 16:4516:45, 7 September 2025 Eric chen66 talk contribs m 10,599 bytes +12 →Solution 1
• curprev 16:4316:43, 7 September 2025 Eric chen66 talk contribs m 10,587 bytes −7 →Problem

2 September 2025

• curprev 23:5223:52, 2 September 2025 Lukeyi talk contribs 10,594 bytes +7 →Problem

22 August 2025

• curprev 09:4009:40, 22 August 2025 Vincesrirattana talk contribs 10,587 bytes +345 →Solution 2

17 March 2025

• curprev 21:5921:59, 17 March 2025 Bestrunner talk contribs 10,242 bytes +1 →Solution 2
• curprev 21:5921:59, 17 March 2025 Bestrunner talk contribs 10,241 bytes −1 →Solution 2

9 March 2024

• curprev 09:2609:26, 9 March 2024 Oinava talk contribs m 10,242 bytes −260 →Solution 1

25 December 2023

• curprev 15:0715:07, 25 December 2023 Get-rickrolled talk contribs m 10,502 bytes 0 →Solution 7
• curprev 15:0715:07, 25 December 2023 Get-rickrolled talk contribs m 10,502 bytes 0 →Solution 6

16 October 2023

• curprev 17:2417:24, 16 October 2023 Countmath1 talk contribs m 10,502 bytes +19 →Solution 9
• curprev 10:3810:38, 16 October 2023 Countmath1 talk contribs m 10,483 bytes +1 →Solution 9
• curprev 10:3710:37, 16 October 2023 Countmath1 talk contribs 10,482 bytes +2,133 →Solution 8

19 January 2023

• curprev 06:5606:56, 19 January 2023 Isabelchen talk contribs 8,349 bytes −18 Undo revision 187082 by Isabelchen (talk) Tag: Undo
• curprev 06:5506:55, 19 January 2023 Isabelchen talk contribs m 8,367 bytes +18 →Solution 8

8 November 2022

• curprev 15:3715:37, 8 November 2022 Littlefox amc talk contribs 8,349 bytes +15 →Solution 3
• curprev 15:3715:37, 8 November 2022 Littlefox amc talk contribs 8,334 bytes +1 →Solution 3
• curprev 13:0713:07, 8 November 2022 Puffer13 talk contribs m 8,333 bytes −740 →Solution 8 (General Equation)
• curprev 13:0613:06, 8 November 2022 Puffer13 talk contribs m 9,073 bytes 0 →Solution 7
• curprev 13:0613:06, 8 November 2022 Puffer13 talk contribs m 9,073 bytes 0 →Solution 6
• curprev 13:0613:06, 8 November 2022 Puffer13 talk contribs m 9,073 bytes 0 →Solution 5
• curprev 13:0613:06, 8 November 2022 Puffer13 talk contribs m 9,073 bytes 0 →Solution 4
• curprev 13:0613:06, 8 November 2022 Puffer13 talk contribs m 9,073 bytes 0 →Solution 3
• curprev 13:0613:06, 8 November 2022 Puffer13 talk contribs m 9,073 bytes −23 →Solution 7 (Sequences - Rigorous)
• curprev 13:0513:05, 8 November 2022 Puffer13 talk contribs m 9,096 bytes −877 →Solution 2 (Graphing)
• curprev 13:0513:05, 8 November 2022 Puffer13 talk contribs m 9,973 bytes −1,052 →Solution 1
• curprev 13:0513:05, 8 November 2022 Puffer13 talk contribs m 11,025 bytes −97 →Solution 3

13 July 2022

• curprev 00:4900:49, 13 July 2022 Shihan talk contribs m 11,122 bytes −2,057 →Solution 7 (Sequences - Rigorous)

12 July 2022

• curprev 23:5623:56, 12 July 2022 Shihan talk contribs m 13,179 bytes −12 →Solution 8 (General Equation)
• curprev 23:5623:56, 12 July 2022 Shihan talk contribs m 13,191 bytes −4 →Solution 8 (General Equation)
• curprev 23:5523:55, 12 July 2022 Shihan talk contribs 13,195 bytes −2 →Solution 8 (General Equation)
• curprev 23:5523:55, 12 July 2022 Shihan talk contribs 13,197 bytes +4 →Solution 8 (General Equation)
• curprev 23:5423:54, 12 July 2022 Shihan talk contribs m 13,193 bytes +66 →Solution 8 (General Equation)
• curprev 21:1621:16, 12 July 2022 Shihan talk contribs 13,127 bytes +55 →Solution 8 (General Equation)
• curprev 20:2520:25, 12 July 2022 Shihan talk contribs m 13,072 bytes −1 →Solution 8 (General Equation)
• curprev 20:2420:24, 12 July 2022 Shihan talk contribs m 13,073 bytes −492 →Solution 8 (General Equation)

28 December 2021

• curprev 08:3408:34, 28 December 2021 Isabelchen talk contribs m 13,565 bytes +84 →Solution 8

20 December 2021

• curprev 10:3610:36, 20 December 2021 Isabelchen talk contribs m 13,481 bytes −49 →Solution 8
• curprev 10:3410:34, 20 December 2021 Isabelchen talk contribs m 13,530 bytes 0 →Solution 8
• curprev 10:3310:33, 20 December 2021 Isabelchen talk contribs m 13,530 bytes 0 →Solution 8
• curprev 10:0410:04, 20 December 2021 Isabelchen talk contribs m 13,530 bytes +10 →Solution 8
• curprev 10:0310:03, 20 December 2021 Isabelchen talk contribs m 13,520 bytes +40 →Solution 8
• curprev 09:3109:31, 20 December 2021 Isabelchen talk contribs 13,480 bytes +940 →Solution 8
• curprev 08:5908:59, 20 December 2021 Isabelchen talk contribs 12,540 bytes +1,177 No edit summary

31 October 2021

• curprev 13:4913:49, 31 October 2021 Kingravi talk contribs 11,363 bytes +13 No edit summary
• curprev 13:4713:47, 31 October 2021 Kingravi talk contribs 11,350 bytes +6 →Solution 7 (Sequences - Rigorous)
• curprev 12:2812:28, 31 October 2021 Kingravi talk contribs 11,344 bytes +12 →Solution 7 (Rigorous)
• curprev 12:2312:23, 31 October 2021 Kingravi talk contribs 11,332 bytes +126 →Solution 7 (Rigorous)