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- Canonical Form
1 ... 8, 9, 10by Mike Barker » Sat Jan 13, 2007 10:51 pm - 145 Replies
- 74720 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
- 619 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
- 1035 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
- 640 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
- 859 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
- 773 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
- 1028 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
- 665 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
- 1708 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
- 669 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
- 2189 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
- 747 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
- 1130 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
- 850 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
- 1092 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
- 750 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
- 780 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
- 784 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
- 254666 Views
- Last post by Pat
Mon Nov 09, 2015 1:18 pm
- Sudokus with an original rare shape
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- Searching good sites for intermediate/advanced puzzles
by Instinct » Mon Oct 12, 2015 8:01 pm - 3 Replies
- 749 Views
- Last post by keith
Tue Oct 13, 2015 9:40 pm
- Searching good sites for intermediate/advanced puzzles
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- Sudoku org UK down again?
by shamanalix » Mon Oct 12, 2015 3:10 am - 0 Replies
- 647 Views
- Last post by shamanalix
Mon Oct 12, 2015 3:10 am
- Sudoku org UK down again?
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- Hidden Pair in a Chain
by daj95376 » Fri Aug 14, 2015 5:56 pm - 2 Replies
- 634 Views
- Last post by eleven
Sun Aug 16, 2015 12:25 pm
- Hidden Pair in a Chain
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- Nice Loop Notation Nightmare
by daj95376 » Mon Jun 22, 2015 5:09 pm
- 9 Replies
- 853 Views
- Last post by SteveG48
Sun Jun 28, 2015 8:31 pm
- Nice Loop Notation Nightmare
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- Advice for aspiring Sudoku creator: 6x6 grids much less fun?
by sudokucreator » Mon Jun 01, 2015 9:36 pm - 4 Replies
- 671 Views
- Last post by tarek
Wed Jun 03, 2015 5:23 pm
- Advice for aspiring Sudoku creator: 6x6 grids much less fun?
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- PEARLS, RUBIES, GARNETS, EMERALDS, ETC.
1, 2by gurth » Wed Oct 04, 2006 11:30 am - 20 Replies
- 9649 Views
- Last post by David P Bird
Thu May 21, 2015 11:00 am
- PEARLS, RUBIES, GARNETS, EMERALDS, ETC.
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- Two-box UA sets detection
by Serg » Fri Jan 09, 2015 8:18 pm - 7 Replies
- 695 Views
- Last post by Serg
Mon Jan 12, 2015 4:14 pm
- Two-box UA sets detection
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- My Sudoku learning journal
by Instinct » Tue Dec 23, 2014 1:34 pm - 0 Replies
- 726 Views
- Last post by Instinct
Tue Dec 23, 2014 1:34 pm
- My Sudoku learning journal
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- Unique solutions
by Willo » Mon Nov 10, 2014 1:06 am - 2 Replies
- 732 Views
- Last post by eleven
Mon Nov 10, 2014 10:26 am
- Unique solutions
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- Write up?
1, 2by mollwollfumble » Wed Apr 09, 2014 11:00 pm - 15 Replies
- 1749 Views
- Last post by enxio27
Thu Nov 06, 2014 9:24 pm
- Write up?
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- Grading invalid puzzles...
1, 2 by ixsetf » Mon Nov 03, 2014 6:19 pm
- 15 Replies
- 1334 Views
- Last post by ixsetf
Thu Nov 06, 2014 4:40 pm
- Grading invalid puzzles...
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- Minimum number of clues with 3 empty boxes?
by ixsetf » Thu Oct 30, 2014 7:36 pm - 4 Replies
- 911 Views
- Last post by blue
Fri Oct 31, 2014 1:47 am
- Minimum number of clues with 3 empty boxes?
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