Problem A
Pebble Solitaire — Problem Statistics

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Submissions	3823
Accepted submissions	1936
Submission ratio	50.64%
Authors	1327
Full solves [?]	1193
Full solve Ratio	89.90%

#	User	Runtime	Language	Date
1	masosz	0.02 s	C#	2015-02-09 19:26:11
2	Andreas Jansson	0.02 s	C#	2016-02-29 15:04:52
3	Daniel Jansson	0.02 s	C#	2016-02-29 17:18:39
4	Patrick Demian	0.02 s	C#	2016-03-27 22:31:27
5	Vitaliy Karyuk	0.02 s	C#	2016-03-30 23:08:37
6	Henrik Karlsson	0.02 s	C#	2016-04-23 17:13:48
7	Pontus Magnusson	0.02 s	C#	2016-05-27 23:28:37
8	Anders Strömberg	0.02 s	C#	2016-06-25 23:42:41
9	László Hágó	0.02 s	C#	2017-02-05 22:04:31
10	Andrzej Krajniak	0.02 s	C#	2017-07-30 19:16:22

#	User	Runtime	Language	Date
1	Hjalte Sorgenfrei Mac Dalland	0.06 s	F#	2020-09-18 17:28:00

#	User	Runtime	Language	Date
1	Robert Zamberg	0.08 s	Go	2016-03-31 05:01:23
2	Nick Bakkegaard	0.08 s	Go	2020-08-31 10:57:18
3	Norbert Voelker	0.08 s	Go	2021-07-10 21:55:14
4	Hidden user	0.09 s	Go	2014-12-09 01:25:25

#	User	Runtime	Language	Date
1	Max Wällstedt	0.00 s	Haskell	2014-12-09 14:21:18
2	Henrik Akira Karlsson	0.00 s	Haskell	2014-12-14 01:33:53
3	Hidden user	0.00 s	Haskell	2015-01-28 15:24:20
4	Mikael Florén	0.00 s	Haskell	2015-05-22 11:50:28
5	Johan Sannemo	0.00 s	Haskell	2016-03-02 13:49:31
6	Jean-Alexandre Barszcz	0.00 s	Haskell	2022-10-07 02:40:23
7	Hidden user	0.01 s	Haskell	2014-12-02 10:40:55
8	Patrik Schwermer	0.01 s	Haskell	2014-12-07 20:47:07
9	Jorge Andres Munoz Caceres	0.01 s	Haskell	2014-12-09 16:23:40
10	Staffan Rydström	0.01 s	Haskell	2015-01-15 15:12:26

#	User	Runtime	Language	Date
1	Astrid Heath	0.04 s	Java	2024-09-20 21:59:24
2	Minjae Kim	0.04 s	Java	2024-09-24 23:14:35
3	Mark Meysenburg	0.04 s	Java	2025-11-18 22:11:26
4	Erik Odenman	0.05 s	Java	2011-09-01 18:25:53
5	Johan Sannemo	0.05 s	Java	2011-09-01 18:53:45
6	Terrence Park	0.05 s	Java	2016-01-14 08:12:21
7	Chito Lucerna	0.05 s	Java	2016-03-20 21:59:24
8	Mychaylo Gerus-Loukiachtchenko	0.05 s	Java	2016-03-29 17:48:22
9	Hidden user	0.05 s	Java	2016-03-29 19:21:24
10	Rishabh Sharma	0.05 s	Java	2016-03-31 02:09:07

#	User	Runtime	Language	Date
1	ChaosOp	0.43 s	JavaScript (Node.js)	2021-04-25 04:39:03
2	Emil Clemedson	0.43 s	JavaScript (Node.js)	2021-08-08 17:42:14

#	User	Runtime	Language	Date
1	Rofel Ganado	0.01 s	JavaScript (SpiderMonkey)	2016-03-29 18:49:20
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-08-20 21:36:57
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-07-18 20:11:36
4	J M	0.03 s	JavaScript (SpiderMonkey)	2016-10-30 01:30:48
5	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-02-22 13:24:40

#	User	Runtime	Language	Date
1	Timothy Gaede	0.58 s	Julia	2026-01-10 08:58:10

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2022-04-14 00:42:29
2	Phường Lên	0.17 s	Kotlin	2020-03-08 19:40:56
3	Adam Rankin	0.18 s	Kotlin	2023-08-29 01:54:22
4	Hidden user	0.19 s	Kotlin	2020-03-09 01:27:24
5	Neil Harmon	0.21 s	Kotlin	2019-07-23 14:56:36
6	Ola Sundell	0.35 s	Kotlin	2018-08-30 09:54:18

#	User	Runtime	Language	Date
1	Alexander Momchilov	0.00 s	Objective-C	2016-03-31 07:15:16

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.02 s	PHP	2018-10-20 20:32:41

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Prolog	2014-12-02 10:15:54
2	Lars Pettersson	0.02 s	Prolog	2016-10-08 12:05:45
3	Emil Raksanyi	0.03 s	Prolog	2014-12-05 15:46:28
4	Erik Dackander	0.03 s	Prolog	2014-12-05 16:40:26
5	Mikael Hedin	0.03 s	Prolog	2015-04-23 15:27:17
6	Viktor Kronvall	0.03 s	Prolog	2015-05-17 18:29:12
7	Rebecca Åbrandt	0.03 s	Prolog	2015-10-19 23:34:55
8	Mikael Forsberg	0.03 s	Prolog	2015-10-22 18:54:59
9	Emma Nimstad	0.03 s	Prolog	2015-10-25 10:06:57
10	Aleksandr Terranova	0.03 s	Prolog	2016-10-02 23:56:22

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.03 s	Python 2	2018-05-28 19:36:02
2	Øyvind Haarberg	0.04 s	Python 2	2017-09-04 16:31:36
3	Maj Stenmark	0.04 s	Python 2	2018-05-30 21:02:52
4	Lars Åström	0.04 s	Python 2	2018-07-23 21:53:07
5	Christofer Ohlsson	0.05 s	Python 2	2015-07-06 22:30:59
6	Knut Anders Stokke	0.05 s	Python 2	2017-02-15 10:53:11
7	Erin Birkwood	0.05 s	Python 2	2017-03-31 18:13:47
8	Joanne Tham	0.05 s	Python 2	2017-03-31 19:52:22
9	Oskar Larsson	0.05 s	Python 2	2019-05-21 19:14:32
10	Johan Lyts	0.05 s	Python 2	2020-01-24 15:24:39

#	User	Runtime	Language	Date
1	James Elías Sigurðarson	0.02 s	Python 3	2015-06-03 15:39:16
2	Daniel Tran	0.02 s	Python 3	2016-03-30 20:02:20
3	Erik Bjäreholt	0.02 s	Python 3	2016-05-12 20:50:30
4	Anthony Clays	0.02 s	Python 3	2017-04-19 19:39:52
5	John Barczynski	0.02 s	Python 3	2017-05-15 08:15:49
6	Blake Hyde	0.02 s	Python 3	2017-05-26 20:39:20
7	Nguyen Anh Vu	0.02 s	Python 3	2017-08-07 04:57:06
8	Eric Törnqvist	0.02 s	Python 3	2017-09-27 15:51:47
9	Mattis Kancans Envall	0.02 s	Python 3	2017-11-19 00:14:24
10	James Hamm	0.02 s	Python 3	2017-12-22 16:47:12

#	User	Runtime	Language	Date
1	Samuel Dindyal	0.03 s	Ruby	2016-03-31 07:13:20
2	Frederik Petersen	0.07 s	Ruby	2025-09-17 12:24:10
3	Thomas Feld	0.09 s	Ruby	2023-03-31 15:12:52

#	User	Runtime	Language	Date
1	Aaron Lengyel	0.00 s	Rust	2021-11-10 00:51:49
2	Johan Flensmark	0.00 s	Rust	2022-09-28 18:14:37
3	carlo	0.00 s	Rust	2022-10-29 20:41:18
4	Malthe Mathias Mølgaard Larsen	0.00 s	Rust	2023-02-20 18:17:33
5	Bas Dirks	0.00 s	Rust	2024-02-02 18:27:50
6	Alec Watkins	0.00 s	Rust	2024-03-16 03:28:15
7	Louis Bouchard	0.00 s	Rust	2024-09-20 05:14:57
8	Krish Lal	0.00 s	Rust	2025-11-22 11:43:15
9	Logan Travis	0.00 s	Rust	2025-11-24 07:06:10
10	Isak Jägberg	0.01 s	Rust	2021-07-02 13:28:31

#	User	Length	Language	Date
1	Andrei Gehman	848	C	2016-03-30 21:23:25
2	Mirel Cosulschi	887	C	2025-01-16 21:45:41
3	Alexander Bilde Pedersen	892	C	2023-02-16 20:14:00
4	Jonas Palm	965	C	2014-12-11 21:03:03
5	Carlos Ramirez	1219	C	2019-06-17 04:35:32
6	Graeme Stroud	1378	C	2017-08-06 22:32:18
7	Ingemar Ragnemalm	1428	C	2016-11-15 11:31:17
8	Hidden user	1451	C	2014-12-11 13:51:06
9	Samuel Wrååk	1502	C	2016-11-20 18:31:10
10	Jiayang Lyu	1519	C	2022-09-25 02:07:53

#	User	Length	Language	Date
1	Thomas Norris	1140	C#	2019-11-06 02:28:08
2	Gustav Kalander	1694	C#	2018-05-29 17:02:02
3	Kristoffer Højelse	1910	C#	2020-09-18 18:18:33
4	Laurens Fijn van Draat	2058	C#	2020-09-08 18:58:41
5	Patrick Demian	2068	C#	2016-03-27 22:45:48
6	Pontus Magnusson	2097	C#	2016-05-27 23:28:37
7	Henrik Karlsson	2255	C#	2016-04-23 17:13:48
8	Andreas Jansson	2389	C#	2016-02-29 15:04:52
9	Daniel Jansson	2389	C#	2016-02-29 17:18:39
10	László Hágó	2421	C#	2017-02-05 22:04:31

#	User	Length	Language	Date
1	Antonio Molina Lovett	546	C++	2016-08-10 10:12:09
2	Johan Wind	561	C++	2018-05-05 19:55:19
3	Alex Dai	599	C++	2016-08-21 08:24:03
4	Daryll Ko	604	C++	2021-09-03 12:16:42
5	William Gan	635	C++	2017-01-25 15:36:36
6	Matteo Zappia	638	C++	2021-11-27 21:16:08
7	Giovanni Gaio	643	C++	2022-11-04 15:34:07
8	Tom Smeding	652	C++	2017-08-26 14:43:40
9	Mohsen Mahroos	665	C++	2023-04-02 23:56:53
10	Alex Scantamburlo	677	C++	2022-10-30 18:15:46

#	User	Length	Language	Date
1	Hjalte Sorgenfrei Mac Dalland	948	F#	2020-09-18 17:28:00

#	User	Length	Language	Date
1	Nick Bakkegaard	1201	Go	2020-08-31 10:57:18
2	Norbert Voelker	1672	Go	2021-07-10 21:55:14
3	Hidden user	1779	Go	2014-12-09 10:50:11
4	Robert Zamberg	2387	Go	2016-03-31 03:05:13

#	User	Length	Language	Date
1	Ryan Yates	513	Haskell	2019-09-23 21:21:18
2	Johan Sannemo	687	Haskell	2016-03-02 13:49:31
3	Erik Präntare	696	Haskell	2018-05-08 16:02:04
4	Staffan Rydström	745	Haskell	2015-01-15 15:12:26
5	Henrik Akira Karlsson	752	Haskell	2014-12-14 01:33:53
6	Anton Grensjö	756	Haskell	2015-11-14 23:41:00
7	Hidden user	757	Haskell	2016-05-11 11:00:58
8	Hidden user	778	Haskell	2015-12-09 14:52:40
9	Alexander Viklund	815	Haskell	2015-12-01 01:02:56
10	Hidden user	895	Haskell	2014-12-02 10:40:55

#	User	Length	Language	Date
1	Mark Meysenburg	651	Java	2025-11-18 22:24:33
2	Kiên Nguyễn Tiến Trung	755	Java	2017-01-29 13:43:55
3	Doug Goodman	886	Java	2017-05-17 18:33:25
4	Amon Al-khatib	907	Java	2015-12-07 16:49:00
5	Mikhail Lavrenov	913	Java	2024-09-26 03:37:49
6	Hidden user	974	Java	2015-02-23 16:41:35
7	Mona Dadoun	1010	Java	2015-02-10 16:30:42
8	Crystal Sharpe	1031	Java	2020-05-01 06:28:19
9	Ada Clevinger	1037	Java	2018-06-01 02:26:53
10	Nathan Huckleberry	1049	Java	2017-09-16 02:54:34

#	User	Length	Language	Date
1	Emil Clemedson	1072	JavaScript (Node.js)	2021-08-08 17:42:14
2	ChaosOp	1519	JavaScript (Node.js)	2021-04-25 04:39:03

#	User	Length	Language	Date
1	Jimmy Gustafsson	365	JavaScript (SpiderMonkey)	2025-07-18 20:11:36
2	Christian Pilegaard Cederquist	829	JavaScript (SpiderMonkey)	2023-02-22 13:24:40
3	Bjørn Chr. Soltvedt	852	JavaScript (SpiderMonkey)	2016-08-20 21:36:57
4	Rofel Ganado	1135	JavaScript (SpiderMonkey)	2016-03-29 18:49:20
5	J M	1684	JavaScript (SpiderMonkey)	2016-10-30 01:30:48

#	User	Length	Language	Date
1	Timothy Gaede	1491	Julia	2026-01-10 08:58:10

#	User	Length	Language	Date
1	Adam Rankin	595	Kotlin	2023-08-29 01:54:22
2	Phường Lên	1182	Kotlin	2020-03-08 19:40:56
3	Jacob Huebner	1185	Kotlin	2022-04-14 00:42:29
4	Hidden user	1672	Kotlin	2020-03-09 01:27:24
5	Neil Harmon	2134	Kotlin	2019-07-23 14:56:36
6	Ola Sundell	2915	Kotlin	2018-08-30 09:54:18

#	User	Length	Language	Date
1	Alexander Momchilov	9210	Objective-C	2016-03-31 07:17:55

#	User	Length	Language	Date
1	Susanne Ragnemalm	2411	PHP	2018-10-20 20:32:41

#	User	Length	Language	Date
1	Marie Kindblom	1010	Prolog	2016-05-14 13:15:36
2	Mikael Hedin	1155	Prolog	2015-05-18 23:18:17
3	Emma Nimstad	1166	Prolog	2015-10-25 10:30:15
4	Ezeddin Alhakim	1710	Prolog	2015-03-20 13:04:50
5	Hidden user	1757	Prolog	2016-03-22 20:28:12
6	Hidden user	1771	Prolog	2014-12-02 10:16:38
7	Marcus Adamsson	1911	Prolog	2015-01-31 12:44:01
8	Alice Heavey	1981	Prolog	2016-05-02 09:28:00
9	Emil Raksanyi	2011	Prolog	2014-12-05 15:46:28
10	Gustav Hedengran	2015	Prolog	2016-11-14 15:45:22

#	User	Length	Language	Date
1	Thomas Feld	402	Python 2	2019-10-23 16:55:53
2	Andreas Björklund	445	Python 2	2019-03-26 07:31:17
3	Lars Åström	617	Python 2	2018-07-23 21:53:07
4	Ingemar Markström	625	Python 2	2016-04-29 17:27:00
5	Jesper Öqvist	663	Python 2	2018-06-09 00:18:23
6	Johan Lyts	681	Python 2	2020-01-24 15:24:39
7	Oskar Larsson	720	Python 2	2019-05-21 19:14:32
8	Hermon Mulat	758	Python 2	2019-01-18 21:54:33
9	Brandon Sovran	782	Python 2	2022-01-21 00:15:56
10	Lucas Page-Caccia	836	Python 2	2017-03-25 17:30:51

#	User	Length	Language	Date
1	Jaydan Aladro	155	Python 3	2022-10-10 05:33:05
2	Mattéo Delabre	155	Python 3	2022-10-10 15:29:33
3	Kacem Khaled	212	Python 3	2022-10-16 04:02:24
4	Nikolaj Munk Binder Jensen	224	Python 3	2025-02-15 22:51:47
5	Thibault Raffaillac	278	Python 3	2024-08-05 19:41:03
6	Felix Fatum	303	Python 3	2024-09-23 09:02:10
7	Frédéric Jarjour	312	Python 3	2022-10-08 20:15:55
8	Prateek Bhakta	324	Python 3	2021-11-12 01:10:07
9	Ahmed Chamseddine	340	Python 3	2025-01-10 16:24:44
10	Nicholas Russell Saerang	359	Python 3	2023-07-23 13:02:08

#	User	Length	Language	Date
1	Thomas Feld	144	Ruby	2023-03-31 15:15:14
2	Frederik Petersen	639	Ruby	2025-09-17 12:24:10
3	Samuel Dindyal	713	Ruby	2016-03-31 05:38:22

#	User	Length	Language	Date
1	Johan Flensmark	1504	Rust	2022-09-28 18:14:37
2	Krish Lal	1650	Rust	2025-11-22 11:43:15
3	Bas Dirks	1659	Rust	2024-02-02 18:27:50
4	Louis Bouchard	1748	Rust	2024-09-20 05:14:57
5	Isak Jägberg	1815	Rust	2021-07-02 13:28:31
6	Logan Travis	2415	Rust	2025-11-24 07:06:10
7	Malthe Mathias Mølgaard Larsen	2640	Rust	2023-02-21 11:30:32
8	carlo	2889	Rust	2022-10-29 20:41:18
9	Alec Watkins	2905	Rust	2024-03-16 03:28:15
10	Aaron Lengyel	4198	Rust	2021-11-10 00:51:49

Solution running time distribution