May 06, 2011

Friday Puzzles #103

This week, two puzzle types which I believe have never featured on this blog before – oh the novelty! Moreover, since this is the case, they are somewhat instructional in style – seasoned solvers will have no problems with these at all. The LITS is actually in my opinion a puzzle which solves well, and anyone who reads British newspapers will have seen mini shikaku puzzles in print – not that I’d argue that this is example is too much better than one of those, but there we go. Enjoy!

#129 Shikaku – rated easy

#130 LITS – rated easy

All puzzles © Tom Collyer 2009-11


- 3 comments by 1 or more people Not publicly viewable

  1. Jonah

    I like what you did with the 2×3 boxes in the LITS puzzle, but it’s too bad that connectivity of the tetrominoes never mattered.

    06 May 2011, 01:44

  2. mathgrant

    Speaking as an LITS veteran, I echo everything Jonah said.

    Speaking as a Nikoli veteran, I really don’t think this puzzle can be considered easy except by the standards of an LITS veteran. I think it’d be an upper-tier Medium or lower-tier Hard by Nikoli’s standards, actually. laughs Not to say it was a bad puzzle, I mean!

    06 May 2011, 23:43

  3. Thomas Collyer

    Seriously? That’s the 3rd LITS I’ve ever made – I was literally just playing with the first ideas that came to mind when pencilling in the regions. You can tell I was just fiddling around because the shikaku is so mundane. The other 2 LITS I’ve made I’m confident have far more to them than these though – I was certainly pleased with the one I did for my nikoli selection last October…

    07 May 2011, 00:33


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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 Thomas Collyer 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
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