Sudoku: the puzzle
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General
Everything about Sudoku that doesn't fit in one of the other sections - 1364 Topics
- 24023 Posts
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Last postEnd in n digit pattern
by champagne
Thu Apr 30, 2026 9:55 am
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General
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Help with puzzles and solving techniques
Post the puzzle or solving technique that's causing you trouble and someone will help - 1564 Topics
- 12467 Posts
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Last postOutside sudoku help
by 1to9only
Fri Apr 10, 2026 10:07 pm
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Help with puzzles and solving techniques
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Advanced solving techniques
Advanced methods and approaches for solving Sudoku puzzles - 1381 Topics
- 21057 Posts
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Last postXYZ-Ring
by rjamil
Wed Feb 18, 2026 2:09 am
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Advanced solving techniques
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Interactive games
Interactive on-site game threads go here - 23 Topics
- 60766 Posts
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Last postMinMaxExercise
by coloin
Wed Apr 29, 2026 10:53 pm
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Interactive games
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Software
Programs which generate, solve, and analyze Sudoku puzzles - 762 Topics
- 6950 Posts
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Last post3.77us Solver(2.8G ...
by champagne
Wed Apr 29, 2026 12:29 am
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Software
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- Puzzle collections sorted by solving qualities
by tso » Thu Aug 03, 2006 5:38 pm - 14 Replies
- 28016 Views
- Last post by denis_berthier
Fri Sep 08, 2023 4:39 am
- Puzzle collections sorted by solving qualities
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- List of Acronyms
by Wecoc » Tue Jan 21, 2020 11:18 pm - 10 Replies
- 14355 Views
- Last post by denis_berthier
Fri Mar 04, 2022 7:24 am
- List of Acronyms
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- Places to go for solving tips
by Ruud » Sun Jan 20, 2008 10:31 pm - 8 Replies
- 22332 Views
- Last post by mac_sudo
Sun Jun 21, 2020 11:43 pm
- Places to go for solving tips
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- Sudokus of Shame
1 ... 4, 5, 6
by Moschopulus » Thu Feb 02, 2006 1:19 am
- 86 Replies
- 130860 Views
- Last post by enxio27
Tue Dec 11, 2018 2:53 pm
- Sudokus of Shame
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- What this forum is for
by JasonLion-Admin » Thu May 27, 2010 1:29 pm - 0 Replies
- 11826 Views
- Last post by JasonLion-Admin
Thu May 27, 2010 1:29 pm
- What this forum is for
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- Interactive games forum decorum
by g.r.emlin » Sat May 22, 2010 5:31 am - 0 Replies
- 11035 Views
- Last post by g.r.emlin
Sat May 22, 2010 5:31 am
- Interactive games forum decorum
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- New topics - How to ask for help
by Animator » Wed Dec 28, 2005 12:58 am - 0 Replies
- 16879 Views
- Last post by Animator
Wed Dec 28, 2005 12:58 am
- New topics - How to ask for help
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- minlex #5
by m_b_metcalf » Thu Apr 30, 2026 2:46 pm - 1 Replies
- 30 Views
- Last post by Cenoman
Fri May 01, 2026 10:14 pm
- minlex #5
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- End in n digit pattern
by champagne » Fri Mar 06, 2026 7:57 am - 9 Replies
- 330 Views
- Last post by champagne
Thu Apr 30, 2026 9:55 am
- End in n digit pattern
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- 3.77us Solver(2.8G CPU, TestCase:17Sodoku)
1 ... 26, 27, 28 by zhouyundong_2012 » Fri Feb 10, 2012 10:50 pm
- 412 Replies
- 83489 Views
- Last post by champagne
Wed Apr 29, 2026 12:29 am
- 3.77us Solver(2.8G CPU, TestCase:17Sodoku)
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- Steve Stumble 4-24-2026
by SteveG48 » Fri Apr 24, 2026 4:45 pm - 1 Replies
- 78 Views
- Last post by Cenoman
Fri Apr 24, 2026 9:04 pm
- Steve Stumble 4-24-2026
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- Potential n digits end in solution grid 2889161802
1, 2by champagne » Thu Mar 19, 2026 10:42 am - 19 Replies
- 448 Views
- Last post by champagne
Fri Apr 24, 2026 8:36 am
- Potential n digits end in solution grid 2889161802
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- A new 39-clue minimal puzzle?
by m_b_metcalf » Thu Apr 23, 2026 8:35 am - 2 Replies
- 94 Views
- Last post by denis_berthier
Fri Apr 24, 2026 3:48 am
- A new 39-clue minimal puzzle?
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- minlex #4
by m_b_metcalf » Wed Apr 22, 2026 1:27 pm - 1 Replies
- 55 Views
- Last post by Cenoman
Wed Apr 22, 2026 9:17 pm
- minlex #4
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- Number of possible 16x16 sudoku grids?
1, 2by yes_maybe » Thu Jan 09, 2020 2:26 pm - 22 Replies
- 6562 Views
- Last post by Maq777
Wed Apr 22, 2026 8:43 pm
- Number of possible 16x16 sudoku grids?
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- minlex #3
by m_b_metcalf » Tue Apr 21, 2026 9:56 pm - 4 Replies
- 95 Views
- Last post by SteveG48
Wed Apr 22, 2026 8:06 pm
- minlex #3
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- minlex #2
by m_b_metcalf » Sun Apr 19, 2026 12:26 pm - 1 Replies
- 64 Views
- Last post by Cenoman
Tue Apr 21, 2026 2:45 pm
- minlex #2
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- minlex
by m_b_metcalf » Sat Apr 18, 2026 9:02 am - 4 Replies
- 99 Views
- Last post by pjb
Sat Apr 18, 2026 11:52 pm
- minlex
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- Symmetrical clues #2
by m_b_metcalf » Tue Apr 14, 2026 9:17 am - 3 Replies
- 129 Views
- Last post by SteveG48
Sat Apr 18, 2026 7:53 pm
- Symmetrical clues #2
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- Symmetrical clues, last
by m_b_metcalf » Wed Apr 15, 2026 8:11 am - 1 Replies
- 76 Views
- Last post by Cenoman
Wed Apr 15, 2026 4:37 pm
- Symmetrical clues, last
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- Steve Hodoku 4-11-2026
by SteveG48 » Sun Apr 12, 2026 12:38 am - 3 Replies
- 108 Views
- Last post by SteveG48
Tue Apr 14, 2026 5:35 pm
- Steve Hodoku 4-11-2026
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- Symmetrical clues
by m_b_metcalf » Mon Apr 13, 2026 11:00 am - 1 Replies
- 84 Views
- Last post by Cenoman
Mon Apr 13, 2026 7:54 pm
- Symmetrical clues
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- More symmetry
by m_b_metcalf » Sat Apr 11, 2026 8:12 am - 4 Replies
- 130 Views
- Last post by m_b_metcalf
Mon Apr 13, 2026 8:01 am
- More symmetry
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- Steve Stumble 4-10-2026
by SteveG48 » Fri Apr 10, 2026 3:25 pm - 4 Replies
- 82 Views
- Last post by pjb
Sat Apr 11, 2026 2:55 am
- Steve Stumble 4-10-2026
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- Outside sudoku help
by Barrie2 » Sun Mar 29, 2026 12:24 pm - 2 Replies
- 129 Views
- Last post by 1to9only
Fri Apr 10, 2026 10:07 pm
- Outside sudoku help
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- Sudoku space
1 ... 5, 6, 7by m_b_metcalf » Fri Mar 23, 2007 2:01 am - 101 Replies
- 64569 Views
- Last post by Maq777
Fri Apr 10, 2026 4:48 pm
- Sudoku space
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- Steve Hodoku 4-9-2026
by SteveG48 » Thu Apr 09, 2026 5:48 pm - 3 Replies
- 85 Views
- Last post by Cenoman
Fri Apr 10, 2026 12:26 pm
- Steve Hodoku 4-9-2026
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- In search of the 62208 orbital model
1, 2by Maq777 » Mon Mar 23, 2026 1:24 am - 19 Replies
- 438 Views
- Last post by Maq777
Thu Apr 09, 2026 4:26 pm
- In search of the 62208 orbital model
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- Understanding notation for A Continuous Nice Loop
by brian27 » Sun Jan 12, 2025 3:47 pm - 1 Replies
- 51 Views
- Last post by Pat-Moderator
Thu Apr 09, 2026 8:23 am
- Understanding notation for A Continuous Nice Loop
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- Symmetrical & minimal version of WE#1018
by m_b_metcalf » Mon Mar 30, 2026 9:15 am - 4 Replies
- 194 Views
- Last post by Hajime
Wed Apr 08, 2026 4:37 pm
- Symmetrical & minimal version of WE#1018
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- potential 5 digits end in solution grid 324629003
by champagne » Wed Apr 01, 2026 1:32 pm - 4 Replies
- 135 Views
- Last post by champagne
Tue Apr 07, 2026 7:15 am
- potential 5 digits end in solution grid 324629003
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- Frisian Flag SE=7.2
by Hajime » Thu Mar 19, 2026 12:10 pm - 4 Replies
- 188 Views
- Last post by Cenoman
Fri Apr 03, 2026 6:59 pm
- Frisian Flag SE=7.2
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- Symmetrical, minimal & hard version of WE#1018
by m_b_metcalf » Tue Mar 31, 2026 8:00 am - 1 Replies
- 90 Views
- Last post by Cenoman
Wed Apr 01, 2026 1:21 pm
- Symmetrical, minimal & hard version of WE#1018
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- Bitwise/Boolean Sudoku Solver
1, 2 by rjamil » Fri Aug 07, 2015 7:51 pm
- 23 Replies
- 9886 Views
- Last post by rjamil
Thu Mar 26, 2026 1:16 pm
- Bitwise/Boolean Sudoku Solver
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