All entries for Sunday 23 May 2010

May 23, 2010

Friday Puzzles #47

Ooooh – a Sunday. Looking at the time, I think I’m currently drinking myself into oblivion. I’m hoping that this time I can keep myself away from the gin. Gin always gives you one hell of a hangover, and bearing in mind I’m due to be playing cricket later today that’s one thing I could be doing without.

But what better than a drunken puzzle to liven up any party!? Especially one as tricky as this Heyawake. Some careful thinking is required here to avoid tripping yourself up; indeed, that’s why I had to unfortunately break the symmetry of this puzzle to make sure everything was above board. Still, the solve itself was well worth tinkering with to get right, and so that’s why this one gets to be published. Enjoy!

#057 Heyawake – rated hard

All puzzles © Tom Collyer 2009-10

P.S. Incidentally, I thought the Hitori yesterday was harder than this puzzle – but a very helpful testing session with this puzzle has probably changed my mind. Thanks Agnieszka!


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Welcome to the blog of current UKPA sudoku champion, two-time Times national sudoku champion and general logic puzzle fan Tom Collyer.



Home of the original Friday Puzzles, each Friday I publish a 100% original and handmade logic puzzle, inspired by the world-famous Nikoli company.


How to play:
AkariFillominoHashiHeyawakeHitoriKakuroLITSMasyuNumberlinkNurikabeRipple EffectShikakuSlitherlinkSudokuSuraromuYajilin.

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Latest comments

  • I like the appearance of the solution. :P Nice one. by Prasanna Seshadri on this entry
  • I think I've seen something vaguely similar in some of Palmer's puzzles as well. To be honest I've a… by on this entry
  • That's two puzzles in a row where I find something I had used before. I know, not plagiarism; just g… by Bram on this entry
  • Kota, that's not really true. I had made my puzzle before going to the WPC already. Also I don't hav… by Bram on this entry
  • About 20 minutes, after restarting from a mistaken conclusion. by Bryce Herdt on this entry

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Puzzles published on this blog are licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License. Please leave a comment or send an email for more information.

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