Everything about Sudoku that doesn't fit in one of the other sections
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- same puzzle 1 clue moved much harder
by urhegyi » Wed Apr 12, 2023 3:29 pm
- 8 Replies
- 841 Views
- Last post by eleven
Fri Apr 14, 2023 7:41 pm
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- 18 clue classic sudoku
by urhegyi » Sun Apr 09, 2023 1:55 pm
- 4 Replies
- 612 Views
- Last post by coloin
Tue Apr 11, 2023 2:01 pm
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- k-regular puzzles
by JPF » Wed Apr 05, 2023 2:55 pm
- 8 Replies
- 766 Views
- Last post by marek stefanik
Sun Apr 09, 2023 5:07 pm
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- Pandora Cube / Не Так С&
by JacobTheby » Mon Mar 27, 2023 5:42 pm
- 0 Replies
- 478 Views
- Last post by JacobTheby
Mon Mar 27, 2023 5:42 pm
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- Max size of impossible 3-digit pattern
by denis_berthier » Sun Mar 12, 2023 4:08 am
- 1 Replies
- 529 Views
- Last post by denis_berthier
Fri Mar 17, 2023 6:53 am
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- Puzzles needing lots of locked candidates
by 999_Springs » Sun Apr 15, 2007 3:17 pm
- 62 Replies
- 30642 Views
- Last post by Pat
Tue Mar 07, 2023 6:06 pm
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- 17 clue puzzles
by Pupp » Fri Sep 17, 2021 3:52 am
- 21 Replies
- 2150 Views
- Last post by eleven
Tue Mar 07, 2023 11:51 am
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- Low/Hi Clue Thresholds
by Mathimagics » Wed Jun 26, 2019 2:56 am
- 253 Replies
- 26011 Views
- Last post by champagne
Thu Feb 23, 2023 8:06 am
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- Two ways Sudoku is being played
by BullHorn » Sat Feb 11, 2023 4:56 pm
- 6 Replies
- 1021 Views
- Last post by Yogi
Mon Feb 20, 2023 7:43 pm
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- Pattern-proper puzzles
by tdillon » Mon Jan 16, 2023 1:53 am
- 8 Replies
- 1399 Views
- Last post by tdillon
Thu Jan 19, 2023 7:21 pm
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- mahematics
by chi » Tue Jan 10, 2023 7:49 pm
- 17 Replies
- 1379 Views
- Last post by Leren
Sat Jan 14, 2023 2:49 am
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- More Homework 7
by JPF » Wed Dec 07, 2022 4:49 pm
- 18 Replies
- 1497 Views
- Last post by coloin
Wed Dec 14, 2022 1:27 pm
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- 19 CLUE SUDOKU WORKOUT
by coloin » Mon Dec 12, 2022 10:57 am
- 8 Replies
- 681 Views
- Last post by coloin
Wed Dec 14, 2022 12:51 pm
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- MonoCyclic Grids
by Mathimagics » Tue Jul 05, 2022 2:32 pm
- 23 Replies
- 2008 Views
- Last post by coloin
Mon Dec 12, 2022 11:13 am
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- Fully symmetrical puzzles
by JPF » Sat Apr 01, 2006 12:14 am
- 225 Replies
- 144585 Views
- Last post by JPF
Sun Dec 11, 2022 6:26 pm
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- T&E(2) patterns and puzzles
by denis_berthier » Mon Nov 28, 2022 7:16 am
- 5 Replies
- 786 Views
- Last post by denis_berthier
Mon Dec 05, 2022 4:56 am
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- More Homework 6
by JPF » Wed Nov 23, 2022 11:34 pm
- 29 Replies
- 1577 Views
- Last post by JPF
Sat Dec 03, 2022 10:30 pm
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- More Homework 3
by JPF » Sun Oct 30, 2022 11:10 pm
- 44 Replies
- 2361 Views
- Last post by JPF
Sun Nov 20, 2022 5:09 pm
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- More Homework 5
by JPF » Mon Nov 14, 2022 12:25 pm
- 20 Replies
- 1312 Views
- Last post by JPF
Sat Nov 19, 2022 12:50 pm
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- More Homework 4
by JPF » Fri Nov 11, 2022 10:55 am
- 17 Replies
- 1230 Views
- Last post by blue
Sun Nov 13, 2022 9:57 pm
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- Two equal boxes
by GouinJP » Sat Oct 29, 2022 1:00 pm
- 13 Replies
- 852 Views
- Last post by JPF
Sun Nov 06, 2022 10:08 am
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- Maximum number of clues for a given SE rating
by 999_Springs » Thu Jul 24, 2008 4:10 pm
- 142 Replies
- 34938 Views
- Last post by mith
Tue Nov 01, 2022 5:58 pm
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- Investigation of one-crossing-free patterns
by Serg » Thu Feb 14, 2013 9:13 am
- 82 Replies
- 16141 Views
- Last post by JPF
Mon Oct 17, 2022 7:19 pm
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- How many 1-clue-box and 2-clue-box?
by Eioru » Thu Aug 17, 2006 11:05 am
- 59 Replies
- 6167 Views
- Last post by Serg
Mon Sep 26, 2022 9:35 am
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- Relation between difficulty and number of candidates
by denis_berthier » Mon Feb 28, 2022 5:43 am
- 4 Replies
- 1099 Views
- Last post by denis_berthier
Wed Aug 31, 2022 7:02 am
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- Multiple Solutions
by FrankD » Tue Aug 23, 2022 6:42 pm
- 4 Replies
- 647 Views
- Last post by FrankD
Thu Aug 25, 2022 3:57 pm
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- History of AIC's
by RSW » Wed Jun 22, 2022 11:06 pm
- 8 Replies
- 1018 Views
- Last post by denis_berthier
Tue Aug 09, 2022 3:30 am
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- Puzzles with clues in diagonal boxes
by coloin » Tue Jun 28, 2022 9:18 pm
- 12 Replies
- 1158 Views
- Last post by coloin
Mon Jul 04, 2022 11:02 pm
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- Bruteforce meaning
by BamaFan » Wed Jun 08, 2022 11:18 pm
- 2 Replies
- 725 Views
- Last post by Mathimagics
Thu Jun 09, 2022 2:08 am
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- Sudoku Professor
by qprfan99 » Sat May 21, 2022 1:32 am
- 2 Replies
- 816 Views
- Last post by qprfan99
Wed Jun 01, 2022 5:49 am
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- Website that allows you to enter a puzzle
by qprfan99 » Thu May 12, 2022 11:34 pm
- 4 Replies
- 763 Views
- Last post by qprfan99
Wed Jun 01, 2022 5:47 am
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- Largest number of empty groups?
by tso » Fri Aug 12, 2005 9:41 pm
- 37 Replies
- 21331 Views
- Last post by ghfick
Sat May 14, 2022 11:33 pm
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- Sudoku App with solving technique
by gjjlfz » Tue May 10, 2022 5:21 am
- 0 Replies
- 615 Views
- Last post by gjjlfz
Tue May 10, 2022 5:21 am
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- 17-clue symmetric puzzles
by m_b_metcalf » Fri May 06, 2022 8:36 am
- 4 Replies
- 709 Views
- Last post by m_b_metcalf
Mon May 09, 2022 2:48 pm
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- The best symmetry
by JPF » Tue Dec 11, 2007 12:36 am
- 29 Replies
- 6718 Views
- Last post by m_b_metcalf
Mon May 09, 2022 9:44 am
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- Looking for some very very very hard sudoku
by p0486 » Sat Mar 18, 2006 1:36 pm
- 60 Replies
- 45007 Views
- Last post by International_DBA
Sat Apr 30, 2022 10:04 am
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- Unfilled boxes, but puzzle already solved?
by flycaster » Tue Apr 26, 2022 4:28 pm
- 11 Replies
- 906 Views
- Last post by flycaster
Fri Apr 29, 2022 10:50 pm
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- Glossary, terms, etc
by Wepwawet » Sun Apr 10, 2022 4:54 pm
- 3 Replies
- 698 Views
- Last post by Wepwawet
Tue Apr 19, 2022 12:02 am
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- Elimination of Candidates vs Sudoku Rating
by AnotherLife » Thu Apr 14, 2022 5:31 pm
- 5 Replies
- 835 Views
- Last post by AnotherLife
Fri Apr 15, 2022 8:12 pm
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- Fully symmetrical invalid patterns
by Serg » Wed Feb 15, 2017 10:54 am
- 91 Replies
- 10742 Views
- Last post by Serg
Mon Apr 11, 2022 10:44 am
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