Everything about Sudoku that doesn't fit in one of the other sections
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- Symmetric 18s
by gfroyle » Fri Dec 02, 2005 8:50 am
- 250 Replies
- 19414 Views
- Last post by eleven
Fri Aug 17, 2018 11:58 pm
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- Solution grids with higher potential to have 17-clue puzzles
by dobrichev » Fri Aug 03, 2018 3:34 pm
- 19 Replies
- 1828 Views
- Last post by blue
Thu Aug 16, 2018 10:44 pm
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- Minimal clues to complete a grid examining k-templates
by dobrichev » Sun Aug 07, 2011 7:43 pm
- 3 Replies
- 1246 Views
- Last post by dobrichev
Fri Aug 03, 2018 11:45 am
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- SudokuP Empty Boxes
by Serg » Wed Jul 18, 2018 12:47 pm
- 7 Replies
- 577 Views
- Last post by Serg
Sat Jul 28, 2018 5:28 pm
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- Bands and low-clue puzzles
by dobrichev » Mon Mar 07, 2011 1:17 am
- 159 Replies
- 10590 Views
- Last post by dobrichev
Sat Jul 28, 2018 2:50 pm
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- A couple of questions by a newcomer.
by Thedutchguy87 » Fri Apr 27, 2018 4:20 pm
- 11 Replies
- 918 Views
- Last post by ghfick
Sat Jun 16, 2018 11:53 pm
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- Could the accepted answer for max solutions be wrong.
by Sojourner9 » Sun Mar 11, 2018 6:31 pm
- 20 Replies
- 1366 Views
- Last post by Sojourner9
Fri May 18, 2018 9:09 pm
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- Change Started Invalid Puzzle
by ttst53 » Thu May 17, 2018 11:37 pm
- 0 Replies
- 474 Views
- Last post by ttst53
Thu May 17, 2018 11:37 pm
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- A question of tecnique
by VMSguy1 » Wed May 16, 2018 8:40 pm
- 0 Replies
- 488 Views
- Last post by VMSguy1
Wed May 16, 2018 8:40 pm
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- 2 question
by Biomage » Thu Apr 12, 2018 1:26 am
- 1 Replies
- 616 Views
- Last post by Leren
Thu Apr 12, 2018 8:42 pm
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- Rectángulos Únicos
by coyote56 » Sun Mar 18, 2018 3:21 pm
- 2 Replies
- 621 Views
- Last post by JasonLion
Wed Mar 21, 2018 4:46 pm
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- Perfectly Cyclical Sudoku's
by Mathimagics » Fri Mar 09, 2018 9:57 am
- 0 Replies
- 609 Views
- Last post by Mathimagics
Fri Mar 09, 2018 9:57 am
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- HodokuSE, a new system of rating
by 200e200w » Thu Feb 08, 2018 6:08 pm
- 15 Replies
- 1526 Views
- Last post by SpAce
Thu Feb 15, 2018 10:34 am
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- 200e200w's Top 250
by 200e200w » Sun Feb 04, 2018 1:25 pm
- 0 Replies
- 692 Views
- Last post by 200e200w
Sun Feb 04, 2018 1:25 pm
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- Enumeration of symmetrical patterns
by Serg » Sun Jan 21, 2018 11:45 pm
- 24 Replies
- 1413 Views
- Last post by Serg
Tue Jan 30, 2018 10:27 pm
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- Unique Sudokus (Russell & Jarvis)
by Mathimagics » Wed Jan 10, 2018 10:42 pm
- 34 Replies
- 2013 Views
- Last post by Mathimagics
Mon Jan 22, 2018 1:50 am
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- Sudoku Validation
by Eltee27 » Tue Jan 16, 2018 1:06 am
- 3 Replies
- 704 Views
- Last post by Eltee27
Wed Jan 17, 2018 2:03 am
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- Easter Monster Derivatives
by FLOCKMAN » Sat Dec 16, 2017 11:46 am
- 9 Replies
- 898 Views
- Last post by FLOCKMAN
Tue Jan 16, 2018 12:41 pm
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- Transversals in Sudoku Squares
by Mathimagics » Tue Jan 02, 2018 7:25 am
- 75 Replies
- 3248 Views
- Last post by Mathimagics
Mon Jan 08, 2018 10:58 pm
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- Snail Trail
by FLOCKMAN » Wed Nov 01, 2017 4:54 pm
- 9 Replies
- 929 Views
- Last post by StrmCkr
Tue Dec 19, 2017 8:12 am
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- Sudoku Grid
by Jill » Wed Nov 08, 2017 4:07 pm
- 1 Replies
- 728 Views
- Last post by Leren
Thu Nov 09, 2017 9:02 pm
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- No new 17s within {-3+3}
by dobrichev » Mon Jun 20, 2016 10:47 am
- 9 Replies
- 1776 Views
- Last post by coloin
Sat Oct 21, 2017 9:33 am
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- M-wings & m-rings: exemplars & examples
by ronk » Tue May 25, 2010 9:38 pm
- 11 Replies
- 2715 Views
- Last post by Leren
Fri Oct 20, 2017 7:26 pm
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- Hidden Quadruple (Quad) puzzles
by tarek » Tue Jan 03, 2012 10:27 am
- 29 Replies
- 3175 Views
- Last post by tarek
Tue Sep 12, 2017 7:51 pm
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- Minimal value of the sum of the digits of a minimal puzzle
by JPF » Mon Feb 20, 2017 10:19 am
- 31 Replies
- 2343 Views
- Last post by dobrichev
Fri Aug 25, 2017 11:09 pm
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- Colored Sudokus Easier than with Numbers?
by bloggeroliver » Wed Jul 26, 2017 11:11 pm
- 1 Replies
- 740 Views
- Last post by yaling.zheng
Sat Jul 29, 2017 3:21 am
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- What's ur best time for easy sudoku?
by fragyn » Wed Jul 12, 2017 6:41 pm
- 0 Replies
- 811 Views
- Last post by fragyn
Wed Jul 12, 2017 6:41 pm
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- minimum number of clues 16x16 and higher
by Moschopulus » Fri Aug 12, 2005 12:00 pm
- 7 Replies
- 3797 Views
- Last post by coloin
Tue Jul 11, 2017 2:28 pm
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- sudoku is a 6-dimensional problem
by dukuso » Mon Nov 07, 2005 8:28 am
- 6 Replies
- 4248 Views
- Last post by StrmCkr
Mon May 29, 2017 4:27 am
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- Fruitless Sudoku Discoveries
by BlueSpark » Wed Oct 05, 2005 1:41 pm
- 53 Replies
- 20121 Views
- Last post by dobrichev
Sun May 14, 2017 8:34 am
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- y-wing
by speter » Sun Apr 30, 2017 10:53 am
- 2 Replies
- 712 Views
- Last post by speter
Sun Apr 30, 2017 11:33 am
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- Number of minimal puzzles per ED valid pattern with N clues
by coloin » Sat Apr 11, 2015 3:21 pm
- 24 Replies
- 2151 Views
- Last post by coloin
Tue Apr 18, 2017 10:02 am
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- List of all 9x9 boards or all the 9x9 equivalence classes
by JC Sims » Thu Apr 13, 2017 10:47 am
- 6 Replies
- 908 Views
- Last post by rjamil
Fri Apr 14, 2017 6:45 pm
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- Canonicalizing all Sudokus
by Tomoka » Thu Apr 06, 2017 6:16 pm
- 2 Replies
- 653 Views
- Last post by Tomoka
Fri Apr 07, 2017 10:43 pm
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- Fully symmetrical invalid patterns
by Serg » Wed Feb 15, 2017 10:54 am
- 85 Replies
- 3947 Views
- Last post by Serg
Thu Apr 06, 2017 5:23 pm
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- new game
by Marcelo Pars » Mon Mar 13, 2017 6:42 pm
- 1 Replies
- 616 Views
- Last post by JasonLion-Admin
Tue Mar 14, 2017 2:20 am
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- What Does stte Mean?
by keith » Tue Feb 14, 2017 9:45 am
- 13 Replies
- 1353 Views
- Last post by Leren
Sat Feb 18, 2017 3:06 am
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- Investigation of one-crossing-free patterns
by Serg » Thu Feb 14, 2013 9:13 am
- 78 Replies
- 9423 Views
- Last post by Serg
Mon Jan 16, 2017 9:19 pm
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- Help finding Sudoku Book
by thebigguY » Mon Nov 28, 2016 3:08 am
- 1 Replies
- 836 Views
- Last post by ghfick
Fri Dec 02, 2016 10:42 pm
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- Canonical Form
by Mike Barker » Sat Jan 13, 2007 10:51 pm
- 145 Replies
- 75816 Views
- Last post by Maq777
Wed Nov 23, 2016 1:57 am
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