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- Enumeration of symmetrical patterns
1, 2by Serg » Sun Jan 21, 2018 11:45 pm - 24 Replies
- 3360 Views
- Last post by Serg
Tue Jan 30, 2018 10:27 pm
- Enumeration of symmetrical patterns
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- Sudoku Validation
by Eltee27 » Tue Jan 16, 2018 1:06 am - 3 Replies
- 1710 Views
- Last post by Eltee27
Wed Jan 17, 2018 2:03 am
- Sudoku Validation
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- Easter Monster Derivatives
by FLOCKMAN » Sat Dec 16, 2017 11:46 am
- 9 Replies
- 1755 Views
- Last post by FLOCKMAN
Tue Jan 16, 2018 12:41 pm
- Easter Monster Derivatives
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- Transversals in Sudoku Squares
1 ... 4, 5, 6by Mathimagics » Tue Jan 02, 2018 7:25 am - 75 Replies
- 8116 Views
- Last post by Mathimagics
Mon Jan 08, 2018 10:58 pm
- Transversals in Sudoku Squares
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- Snail Trail
by FLOCKMAN » Wed Nov 01, 2017 4:54 pm - 9 Replies
- 1818 Views
- Last post by StrmCkr
Tue Dec 19, 2017 8:12 am
- Snail Trail
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- Sudoku Grid
by Jill » Wed Nov 08, 2017 4:07 pm - 1 Replies
- 1237 Views
- Last post by Leren
Thu Nov 09, 2017 9:02 pm
- Sudoku Grid
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- No new 17s within {-3+3}
by dobrichev » Mon Jun 20, 2016 10:47 am - 9 Replies
- 3019 Views
- Last post by coloin
Sat Oct 21, 2017 9:33 am
- No new 17s within {-3+3}
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- Hidden Quadruple (Quad) puzzles
1, 2 by tarek » Tue Jan 03, 2012 10:27 am
- 29 Replies
- 5234 Views
- Last post by tarek
Tue Sep 12, 2017 7:51 pm
- Hidden Quadruple (Quad) puzzles
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- Colored Sudokus Easier than with Numbers?
by bloggeroliver » Wed Jul 26, 2017 11:11 pm - 1 Replies
- 1288 Views
- Last post by yaling.zheng
Sat Jul 29, 2017 3:21 am
- Colored Sudokus Easier than with Numbers?
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- What's ur best time for easy sudoku?
by fragyn » Wed Jul 12, 2017 6:41 pm - 0 Replies
- 1294 Views
- Last post by fragyn
Wed Jul 12, 2017 6:41 pm
- What's ur best time for easy sudoku?
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- minimum number of clues 16x16 and higher
by Moschopulus » Fri Aug 12, 2005 12:00 pm - 7 Replies
- 5148 Views
- Last post by coloin
Tue Jul 11, 2017 2:28 pm
- minimum number of clues 16x16 and higher
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- Number of minimal puzzles per ED valid pattern with N clues
1, 2by coloin » Sat Apr 11, 2015 3:21 pm - 24 Replies
- 3722 Views
- Last post by coloin
Tue Apr 18, 2017 10:02 am
- Number of minimal puzzles per ED valid pattern with N clues
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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
- 1507 Views
- Last post by rjamil
Fri Apr 14, 2017 6:45 pm
- List of all 9x9 boards or all the 9x9 equivalence classes
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- new game
by Marcelo Pars » Mon Mar 13, 2017 6:42 pm - 1 Replies
- 1077 Views
- Last post by JasonLion-Admin
Tue Mar 14, 2017 2:20 am
- new game
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- What Does stte Mean?
by keith » Tue Feb 14, 2017 9:45 am - 13 Replies
- 2197 Views
- Last post by Leren
Sat Feb 18, 2017 3:06 am
- What Does stte Mean?
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- Help finding Sudoku Book
by thebigguY » Mon Nov 28, 2016 3:08 am - 1 Replies
- 1330 Views
- Last post by ghfick
Fri Dec 02, 2016 10:42 pm
- Help finding Sudoku Book
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- Canonical Form
1 ... 8, 9, 10by Mike Barker » Sat Jan 13, 2007 10:51 pm - 145 Replies
- 85827 Views
- Last post by Maq777
Wed Nov 23, 2016 1:57 am
- Canonical Form
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- Generalization of Sudoku
by Esteban_Zia » Tue Nov 15, 2016 12:16 pm - 2 Replies
- 1392 Views
- Last post by David P Bird
Wed Nov 16, 2016 11:36 am
- Generalization of Sudoku
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- Codes For Diabolicals
by Yogi » Fri Jun 17, 2016 11:36 pm
- 7 Replies
- 1797 Views
- Last post by Yogi
Sun Sep 11, 2016 11:15 pm
- Codes For Diabolicals
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- Skyscrapers, Kites & Empty Rectangles
by Yogi » Sun Sep 04, 2016 5:40 am
- 4 Replies
- 1338 Views
- Last post by eleven
Tue Sep 06, 2016 7:58 pm
- Skyscrapers, Kites & Empty Rectangles
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- Trial & Error
by Yogi » Tue Jun 21, 2016 7:49 am - 8 Replies
- 1774 Views
- Last post by JasonLion
Thu Jun 23, 2016 4:49 pm
- Trial & Error
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- What's Happening to Sudoku Puzzles?
by nedBlake » Sun Jun 05, 2016 8:01 pm - 2 Replies
- 1423 Views
- Last post by nedBlake
Mon Jun 06, 2016 1:54 pm
- What's Happening to Sudoku Puzzles?
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- Has anyone noticed this idiosyncrasy?
by abrooks051 » Tue May 12, 2015 8:57 pm
- 11 Replies
- 1821 Views
- Last post by Yogi
Fri May 20, 2016 10:45 pm
- Has anyone noticed this idiosyncrasy?
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- How Do I Import An Image Into a Post?
by Yogi » Tue May 10, 2016 10:13 pm - 3 Replies
- 1318 Views
- Last post by Pat
Fri May 13, 2016 9:33 am
- How Do I Import An Image Into a Post?
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- How is the difficulty of a Sudoku puzzle determined?
by bat999 » Fri Jan 02, 2015 5:17 pm - 7 Replies
- 2995 Views
- Last post by ghfick
Sun May 08, 2016 11:34 pm
- How is the difficulty of a Sudoku puzzle determined?
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- Composition Sudoku
by Mathimagics » Wed Apr 27, 2016 6:21 pm
- 1 Replies
- 1257 Views
- Last post by Mathimagics
Thu Apr 28, 2016 8:35 am
- Composition Sudoku
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- How to rate and solve empty Sudoku grid?
1, 2 by rjamil » Sat Nov 14, 2015 12:45 pm
- 22 Replies
- 4468 Views
- Last post by StrmCkr
Fri Mar 18, 2016 9:08 am
- How to rate and solve empty Sudoku grid?
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- How to make a concrete value sudoku with 7 numbers?
by Balu_AU » Mon Feb 01, 2016 10:33 pm - 4 Replies
- 1459 Views
- Last post by m_b_metcalf
Fri Mar 11, 2016 8:50 am
- How to make a concrete value sudoku with 7 numbers?
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- 'National Record' Recognition By Limca Book Of Records,India
by klslrao » Tue Feb 23, 2016 7:05 am
- 6 Replies
- 2226 Views
- Last post by Pat
Tue Mar 08, 2016 12:26 pm
- 'National Record' Recognition By Limca Book Of Records,India
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- 17-Clue Puzzles
by Yogi » Wed Feb 17, 2016 9:09 pm - 5 Replies
- 1766 Views
- Last post by Yogi
Mon Feb 22, 2016 6:33 am
- 17-Clue Puzzles
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- GEM - Graded Equivalence Marking
by David P Bird » Sat Feb 20, 2016 7:49 pm
- 3 Replies
- 2219 Views
- Last post by David P Bird
Sat Feb 20, 2016 8:00 pm
- GEM - Graded Equivalence Marking
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- Bounds on number of sudoku grids
by nickelbird » Thu Feb 11, 2016 6:10 pm - 2 Replies
- 1430 Views
- Last post by nickelbird
Thu Feb 11, 2016 7:50 pm
- Bounds on number of sudoku grids
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- Request for data (Sudoku with givens)
by Mathimagics » Tue Jan 12, 2016 3:30 pm - 6 Replies
- 1473 Views
- Last post by eleven
Sat Jan 16, 2016 9:55 pm
- Request for data (Sudoku with givens)
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- Fastest Time for Solving a Sudoku Puzzle
by dp_94 » Thu Nov 26, 2015 1:31 pm - 0 Replies
- 1386 Views
- Last post by dp_94
Thu Nov 26, 2015 1:31 pm
- Fastest Time for Solving a Sudoku Puzzle
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- Sudokus with an original rare shape
1 ... 40, 41, 42 by claudiarabia » Sat May 20, 2006 12:47 am
- 621 Replies
- 288292 Views
- Last post by Pat
Mon Nov 09, 2015 1:18 pm
- Sudokus with an original rare shape
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