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- Puzzle collections sorted by solving qualities
by tso » Thu Aug 03, 2006 5:38 pm - 14 Replies
- 26706 Views
- Last post by denis_berthier
Fri Sep 08, 2023 4:39 am
- Puzzle collections sorted by solving qualities
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- List of Acronyms
by Wecoc » Tue Jan 21, 2020 11:18 pm - 10 Replies
- 4664 Views
- Last post by denis_berthier
Fri Mar 04, 2022 7:24 am
- List of Acronyms
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- Sudokus of Shame
1 ... 4, 5, 6
by Moschopulus » Thu Feb 02, 2006 1:19 am
- 86 Replies
- 89255 Views
- Last post by enxio27
Tue Dec 11, 2018 2:53 pm
- Sudokus of Shame
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- puzzles with 2 TH
by ghfick » Wed Apr 09, 2025 8:09 pm - 11 Replies
- 121 Views
- Last post by Leren
Thu Apr 17, 2025 12:26 am
- puzzles with 2 TH
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- The layered structure of T&E-depth d
by denis_berthier » Sun Apr 06, 2025 5:37 am - 9 Replies
- 349 Views
- Last post by denis_berthier
Wed Apr 16, 2025 2:30 pm
- The layered structure of T&E-depth d
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- Another Non degenerated tridagon puzzles direct search
by champagne » Tue Apr 08, 2025 12:33 pm - 6 Replies
- 98 Views
- Last post by eleven
Tue Apr 08, 2025 7:11 pm
- Another Non degenerated tridagon puzzles direct search
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- T&E(3) Puzzles (split from "hardest sudokus" thread)
1 ... 6, 7, 8by mith » Mon Nov 07, 2022 7:24 pm - 110 Replies
- 7633 Views
- Last post by denis_berthier
Thu Apr 03, 2025 7:02 am
- T&E(3) Puzzles (split from "hardest sudokus" thread)
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- Help with Apps
by Yogi » Sat Jan 25, 2025 3:27 am - 4 Replies
- 243 Views
- Last post by Yogi
Thu Jan 30, 2025 11:25 pm
- Help with Apps
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- hardest 6x6?
1, 2, 3, 4, 5 by 999_Springs » Sun Dec 30, 2018 2:16 pm
- 64 Replies
- 8788 Views
- Last post by jco
Mon Jan 20, 2025 11:42 pm
- hardest 6x6?
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- Unavoidable sets vs deadly patterns.
1, 2, 3, 4by denis_berthier » Fri Jan 10, 2025 8:43 am - 49 Replies
- 927 Views
- Last post by denis_berthier
Fri Jan 17, 2025 5:21 am
- Unavoidable sets vs deadly patterns.
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- The BxB classification of T&E(2) puzzles
1 ... 12, 13, 14by denis_berthier » Thu Sep 07, 2023 12:10 pm - 202 Replies
- 9497 Views
- Last post by hendrik_monard
Wed Dec 25, 2024 2:24 pm
- The BxB classification of T&E(2) puzzles
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- About Wp-whips
by Mauriès Robert » Tue Dec 24, 2024 5:43 pm - 0 Replies
- 142 Views
- Last post by Mauriès Robert
Tue Dec 24, 2024 5:43 pm
- About Wp-whips
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- Really hard sudokus
by Sverre » Sun Oct 13, 2024 2:52 pm - 2 Replies
- 255 Views
- Last post by Leren
Wed Oct 30, 2024 3:01 am
- Really hard sudokus
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- Sudoku space
1 ... 5, 6, 7by m_b_metcalf » Fri Mar 23, 2007 2:01 am - 99 Replies
- 44935 Views
- Last post by coloin
Wed Aug 14, 2024 1:07 am
- Sudoku space
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- Kids reaction to sudoku.
by DeveloGip » Thu Jun 13, 2024 4:47 pm - 0 Replies
- 271 Views
- Last post by DeveloGip
Thu Jun 13, 2024 4:47 pm
- Kids reaction to sudoku.
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- Finding a puzzle based on known given squares
1, 2, 3 by Aranlyde » Thu Apr 16, 2020 9:31 pm
- 44 Replies
- 4125 Views
- Last post by denis_berthier
Mon Jun 03, 2024 5:31 pm
- Finding a puzzle based on known given squares
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- Sudoku Enumeration Problem
1, 2, 3by Mathimagics » Thu Jan 04, 2018 9:40 am - 30 Replies
- 4632 Views
- Last post by coloin
Fri May 17, 2024 6:17 pm
- Sudoku Enumeration Problem
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- Min-templates Canonical Form and Catalog
by dobrichev » Thu May 09, 2024 11:13 pm - 10 Replies
- 631 Views
- Last post by champagne
Thu May 16, 2024 6:34 am
- Min-templates Canonical Form and Catalog
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- Grids with minimal UA18s for all 2-row,2-col,2-digit UA sets
1, 2by blue » Sun Jun 30, 2019 1:39 pm - 20 Replies
- 2945 Views
- Last post by m_b_metcalf
Sun Mar 10, 2024 11:04 am
- Grids with minimal UA18s for all 2-row,2-col,2-digit UA sets
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- Asking for 17-clue puzzles and 16-clues with 2 solutions
by qiuyanzhe » Tue Mar 05, 2024 5:39 am - 5 Replies
- 514 Views
- Last post by m_b_metcalf
Tue Mar 05, 2024 3:23 pm
- Asking for 17-clue puzzles and 16-clues with 2 solutions
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- Sudoku Country Order
by HATMAN » Wed Feb 21, 2024 4:22 am - 0 Replies
- 439 Views
- Last post by HATMAN
Wed Feb 21, 2024 4:22 am
- Sudoku Country Order
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- Bands and low-clue pencilmark puzzles
by dobrichev » Thu Feb 15, 2024 7:53 pm - 0 Replies
- 466 Views
- Last post by dobrichev
Thu Feb 15, 2024 7:53 pm
- Bands and low-clue pencilmark puzzles
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- Hard 5*5 Latin Squares
by qiuyanzhe » Wed Sep 19, 2018 4:22 pm - 9 Replies
- 2235 Views
- Last post by denis_berthier
Fri Feb 02, 2024 12:04 pm
- Hard 5*5 Latin Squares
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- Sandwich Sudoku Number Combinations
by Fortesque92 » Fri Jan 26, 2024 3:31 am - 2 Replies
- 1280 Views
- Last post by Fortesque92
Sat Jan 27, 2024 12:27 am
- Sandwich Sudoku Number Combinations
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- Back on Forum
by RichardGoodrich » Thu Jan 11, 2024 11:49 pm - 2 Replies
- 555 Views
- Last post by RichardGoodrich
Wed Jan 24, 2024 9:29 pm
- Back on Forum
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- Largest 2-solution BUG
by jovi_al01 » Tue Feb 01, 2022 5:15 am - 10 Replies
- 1279 Views
- Last post by Hajime
Sat Jan 20, 2024 9:00 am
- Largest 2-solution BUG
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- Best Sudoku app for iPad
by BamaFan » Wed Aug 30, 2023 1:51 pm - 1 Replies
- 949 Views
- Last post by gulshan212
Tue Nov 14, 2023 1:58 pm
- Best Sudoku app for iPad
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- Kids reaction to sudoku
by sudokumaster » Wed Oct 25, 2023 10:46 pm - 0 Replies
- 505 Views
- Last post by sudokumaster
Wed Oct 25, 2023 10:46 pm
- Kids reaction to sudoku
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