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- Arbitrary candidate sudoku
1, 2by icecream17 » Sat May 22, 2021 3:08 am - 19 Replies
- 4246 Views
- Last post by creint
Sat Jun 05, 2021 5:19 pm
- Arbitrary candidate sudoku
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- Number of ways to fill the box 9
by Maq777 » Sat May 01, 2021 5:50 pm - 2 Replies
- 844 Views
- Last post by Maq777
Sun May 02, 2021 7:20 pm
- Number of ways to fill the box 9
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- How do I move a thread to a different topic?
by upssjatly » Tue Mar 23, 2021 8:24 am - 1 Replies
- 697 Views
- Last post by EldarDarwin
Mon Apr 26, 2021 3:12 pm
- How do I move a thread to a different topic?
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- Number of possible 16x16 sudoku grids?
1, 2by yes_maybe » Thu Jan 09, 2020 2:26 pm - 16 Replies
- 4890 Views
- Last post by EmilyVaughan
Sun Apr 18, 2021 12:11 pm
- Number of possible 16x16 sudoku grids?
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- What is the smallest minimal puzzle?
1, 2by JPF » Sat Apr 03, 2021 8:58 pm - 16 Replies
- 2002 Views
- Last post by JPF
Sun Apr 18, 2021 11:47 am
- What is the smallest minimal puzzle?
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- What is the largest minlex minimal puzzle ?
1, 2by coloin » Tue Apr 06, 2021 5:11 pm - 21 Replies
- 2086 Views
- Last post by coloin
Fri Apr 16, 2021 9:39 pm
- What is the largest minlex minimal puzzle ?
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- symmetric pattern
by urhegyi » Thu Apr 15, 2021 12:05 pm - 5 Replies
- 835 Views
- Last post by m_b_metcalf
Thu Apr 15, 2021 8:36 pm
- symmetric pattern
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- Conjecturing number solutions in sudoku squares of any size
by Maq777 » Thu Mar 25, 2021 10:55 am - 7 Replies
- 1253 Views
- Last post by Maq777
Sun Apr 11, 2021 6:25 pm
- Conjecturing number solutions in sudoku squares of any size
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- Am I the only one bothered by this huge prime number
by Maq777 » Sun Apr 04, 2021 12:01 pm - 7 Replies
- 1403 Views
- Last post by JPF
Sat Apr 10, 2021 8:28 pm
- Am I the only one bothered by this huge prime number
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- Errors in Sudopedia
by Maq777 » Wed Mar 31, 2021 10:58 pm - 3 Replies
- 910 Views
- Last post by Maq777
Sun Apr 04, 2021 6:43 pm
- Errors in Sudopedia
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- sudoku is a 6-dimensional problem
by dukuso » Mon Nov 07, 2005 8:28 am
- 8 Replies
- 5759 Views
- Last post by Maq777
Sat Apr 03, 2021 11:48 pm
- sudoku is a 6-dimensional problem
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- Canonicalizing all Sudokus
by Tomoka » Thu Apr 06, 2017 6:16 pm - 5 Replies
- 1995 Views
- Last post by Maq777
Thu Apr 01, 2021 1:00 pm
- Canonicalizing all Sudokus
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- Shidoku Study with Graphs
by Maq777 » Sat Mar 20, 2021 2:48 pm
- 7 Replies
- 1286 Views
- Last post by Maq777
Sun Mar 28, 2021 12:39 pm
- Shidoku Study with Graphs
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- Equations that work for any sudoku of the form n * n
by Maq777 » Mon Mar 22, 2021 9:49 pm - 14 Replies
- 1478 Views
- Last post by Maq777
Wed Mar 24, 2021 1:12 am
- Equations that work for any sudoku of the form n * n
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- sudoku max allowed subsets
1, 2 by urhegyi » Thu Feb 04, 2021 2:56 pm
- 19 Replies
- 2225 Views
- Last post by m_b_metcalf
Tue Mar 16, 2021 2:54 pm
- sudoku max allowed subsets
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- The bivalue conjecture
1, 2by denis_berthier » Sat Feb 20, 2021 6:01 am - 26 Replies
- 3092 Views
- Last post by nazaz
Mon Mar 15, 2021 6:59 pm
- The bivalue conjecture
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- Is there a puzzle with no (3D-)trivalue cell?
by denis_berthier » Sat Jan 09, 2021 5:41 am - 6 Replies
- 1171 Views
- Last post by denis_berthier
Fri Feb 19, 2021 9:46 am
- Is there a puzzle with no (3D-)trivalue cell?
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- start with basics, finish with x-wing, xy-wing and xyz-wing
by urhegyi » Thu Feb 18, 2021 8:51 am - 0 Replies
- 738 Views
- Last post by urhegyi
Thu Feb 18, 2021 8:51 am
- start with basics, finish with x-wing, xy-wing and xyz-wing
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- Automorphic patterns
by coloin » Sun Feb 07, 2021 12:22 am - 4 Replies
- 922 Views
- Last post by coloin
Wed Feb 10, 2021 10:48 pm
- Automorphic patterns
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- Sudokus with a nice form
1, 2 by urhegyi » Thu Dec 10, 2020 10:28 pm
- 19 Replies
- 2321 Views
- Last post by denis_berthier
Thu Feb 04, 2021 10:15 am
- Sudokus with a nice form
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- Matching minirows analysis
by Serg » Thu Jan 21, 2021 11:17 pm - 3 Replies
- 943 Views
- Last post by Serg
Sat Jan 23, 2021 10:38 am
- Matching minirows analysis
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- Output file in standard format for all moves made
1, 2by jco » Fri Jul 17, 2020 1:42 pm - 24 Replies
- 2732 Views
- Last post by jco
Wed Jan 13, 2021 5:00 pm
- Output file in standard format for all moves made
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- New Sudoku website: www.SudokuByZol.com
by zol » Mon Sep 22, 2008 11:28 pm - 1 Replies
- 1953 Views
- Last post by BingoGuy
Wed Dec 16, 2020 5:44 pm
- New Sudoku website: www.SudokuByZol.com
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- Getting in touch with "Red" Ed Russell
by peterchayward » Mon Dec 07, 2020 10:34 pm
- 14 Replies
- 1536 Views
- Last post by SpAce
Wed Dec 16, 2020 12:05 am
- Getting in touch with "Red" Ed Russell
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- Perfectly symmetric patterns
1, 2 by denis_berthier » Sun Nov 29, 2020 12:29 pm
- 23 Replies
- 2455 Views
- Last post by denis_berthier
Wed Dec 02, 2020 9:28 am
- Perfectly symmetric patterns
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- SER 12.0 ??
1, 2, 3by denis_berthier » Mon Oct 12, 2020 6:25 am - 31 Replies
- 4085 Views
- Last post by denis_berthier
Mon Nov 09, 2020 3:49 pm
- SER 12.0 ??
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- New Sudoku Technique (Cracking the Cryptic)
by Pupp » Tue Oct 13, 2020 10:54 pm - 4 Replies
- 9793 Views
- Last post by StrmCkr
Thu Oct 15, 2020 5:02 am
- New Sudoku Technique (Cracking the Cryptic)
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- WOOOOOOOOOOOOOOT !!!!!!!!!!!!!!!!!!
1, 2by Pupp » Fri Jul 17, 2020 3:07 am - 18 Replies
- 2282 Views
- Last post by Pupp
Mon Oct 12, 2020 9:13 pm
- WOOOOOOOOOOOOOOT !!!!!!!!!!!!!!!!!!
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- Export Puzzles to Hudoku
by Forumer » Wed Sep 30, 2020 2:38 pm - 5 Replies
- 1127 Views
- Last post by Pupp
Fri Oct 09, 2020 2:28 am
- Export Puzzles to Hudoku
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- Difficulty question
1, 2by Pupp » Tue Sep 15, 2020 4:11 am - 16 Replies
- 1984 Views
- Last post by Pupp
Thu Oct 08, 2020 12:10 am
- Difficulty question
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- Row 2 Completion Counts
by Mathimagics » Sun Oct 04, 2020 11:24 am
- 2 Replies
- 965 Views
- Last post by Mathimagics
Tue Oct 06, 2020 7:28 am
- Row 2 Completion Counts
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- I implemented a new rule for SE in my solver.
by yzfwsf » Wed Sep 30, 2020 12:54 pm
- 3 Replies
- 971 Views
- Last post by SpAce
Thu Oct 01, 2020 3:47 am
- I implemented a new rule for SE in my solver.
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- Solving Puzzles: Creative -vs- Rigorous
by Pupp » Wed Sep 16, 2020 1:29 am - 8 Replies
- 1142 Views
- Last post by Pupp
Thu Sep 24, 2020 2:24 pm
- Solving Puzzles: Creative -vs- Rigorous
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- Pi
by m_b_metcalf » Fri Sep 11, 2020 2:58 pm - 14 Replies
- 1468 Views
- Last post by m_b_metcalf
Mon Sep 14, 2020 11:56 am
- Pi
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- Minisat hardness
by tdillon » Wed Jul 22, 2020 10:13 am
- 13 Replies
- 1524 Views
- Last post by Leren
Wed Sep 09, 2020 9:36 am
- Minisat hardness
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