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- Puzzle collections sorted by solving qualities
by tso » Thu Aug 03, 2006 5:38 pm - 14 Replies
- 26409 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
- 4376 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
- 88502 Views
- Last post by enxio27
Tue Dec 11, 2018 2:53 pm
- Sudokus of Shame
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- The BxB classification of T&E(2) puzzles
1 ... 10, 11, 12by denis_berthier » Thu Sep 07, 2023 12:10 pm - 171 Replies
- 6833 Views
- Last post by denis_berthier
Wed Nov 20, 2024 7:12 am
- The BxB classification of T&E(2) puzzles
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- Really hard sudokus
by Sverre » Sun Oct 13, 2024 2:52 pm - 2 Replies
- 128 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
- 44270 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
- 173 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
- 3787 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
- 4295 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
- 490 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
- 2742 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
- 378 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
- 335 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
- 338 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
- 2035 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
- 846 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
- 454 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
- 1137 Views
- Last post by Hajime
Sat Jan 20, 2024 9:00 am
- Largest 2-solution BUG
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- hardest 6x6?
1, 2, 3, 4 by 999_Springs » Sun Dec 30, 2018 2:16 pm
- 58 Replies
- 8030 Views
- Last post by jco
Sun Dec 10, 2023 5:33 pm
- hardest 6x6?
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- Best Sudoku app for iPad
by BamaFan » Wed Aug 30, 2023 1:51 pm - 1 Replies
- 722 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
- 410 Views
- Last post by sudokumaster
Wed Oct 25, 2023 10:46 pm
- Kids reaction to sudoku
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- at least three 21 clue puzzles for this pattern
by urhegyi » Tue Oct 17, 2023 9:49 am - 6 Replies
- 528 Views
- Last post by JPF
Wed Oct 18, 2023 10:15 am
- at least three 21 clue puzzles for this pattern
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- from pattern to puzzle
by P.O. » Sat Oct 07, 2023 10:41 am - 4 Replies
- 694 Views
- Last post by P.O.
Tue Oct 10, 2023 6:45 pm
- from pattern to puzzle
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- The making of a gotchi, a simple way to find extreme sudokus
1, 2by eleven » Thu Jan 06, 2011 7:55 pm - 24 Replies
- 5692 Views
- Last post by denis_berthier
Fri Oct 06, 2023 5:43 pm
- The making of a gotchi, a simple way to find extreme sudokus
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- Sudokus on Interval [0,1]
by qiuyanzhe » Thu Sep 28, 2023 3:06 am - 1 Replies
- 533 Views
- Last post by mith
Wed Oct 04, 2023 11:48 pm
- Sudokus on Interval [0,1]
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- reddit sudoku wiki
by StrmCkr » Mon Oct 02, 2023 6:16 pm - 2 Replies
- 646 Views
- Last post by StrmCkr
Mon Oct 02, 2023 10:16 pm
- reddit sudoku wiki
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- Hidden Candidates for Dummies
by Trocksmore » Sun Jun 04, 2023 4:14 pm - 4 Replies
- 714 Views
- Last post by StrmCkr
Mon Oct 02, 2023 6:03 pm
- Hidden Candidates for Dummies
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- 17 digit puzzles
by warrentrammell » Fri Oct 21, 2022 6:04 pm - 11 Replies
- 1321 Views
- Last post by Yogi
Sun Oct 01, 2023 10:12 am
- 17 digit puzzles
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- at least 2 puzzles
by urhegyi » Wed Sep 27, 2023 9:54 am - 7 Replies
- 709 Views
- Last post by JPF
Sat Sep 30, 2023 4:37 pm
- at least 2 puzzles
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- What's lowest ER for the T&E2 puzzles?
by yzfwsf » Sun Sep 24, 2023 11:10 am - 1 Replies
- 551 Views
- Last post by P.O.
Sun Sep 24, 2023 11:40 am
- What's lowest ER for the T&E2 puzzles?
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