Friday 27 January 2012

Friday Puzzles #141

Why would you not enjoy putting numbers into a grid? I think this one has sent me slightly mad. If you get this in under 10 minutes I’ll be impressed. If you get it in under 5 then I may have to hunt you down and kill you. Enjoy!
    #172 Ripple Effect – rated hard
All puzzles © Tom Collyer 2009-12.


  1. Very Nice. I enjoyed that one. It helped me that I had used a similar opening in one of my puzzles as well.

  2. In between the targets, but a bit closer to 10 minutes than to 5 so I don’t think I’ll need to be retaining additional security at the moment. I liked the challenge. While the context was certainly different, the logic reminded me of something I discovered with the habanero Ripple Effect from Puzzle Tokyo. Was that a similar inspiration here as it was with an earlier Yajilin?

  3. About 20 minutes, after restarting from a mistaken conclusion.


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