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#1: Jan Wolter (jan) on Nov 5, 2007 [HINT]

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I'm really enjoying your small puzzles! Thanks!

Do you ever not comment because someone else has already said what you wanted to say?

Ditto, Jan!

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I thought this one was hard to get started on, but that made it more satisfying to zip through the rest. Plus it's a good picture, which adds to the fun.

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I should write up a tutorial on this some day (not that there aren't a lot of other people here who are better at puzzle solving than I am).

A typical case for "boundary logic" is if the first column of a puzzle contains a "10" and the second column contains only smaller numbers, like "2 2". Then it is likely to be interesting to think about where the "10" can be. If a lot of the row clues start with numbers bigger than one, then plainly the 10 can't be placed so it will cross more than two adjacent rows with clues bigger than 1, because that would create a block bigger than 2 in the second column. Often you can use this to narrow down the position of the 10. Sometimes you can place it exactly.

That's a hopeless explanation. As I said, a proper write-up on this would be worth doing.

I have just recently worked out how to do boundary logic myself. I used what you had written a while ago Jan, but it has taken me months to work it out for myself. I finally did two days ago and I was so happy, I was feeling so left out before, not really, but I did really want to know how to do it. It is hard to explain some things, such as this, it would be great if I could of been shown in person, I would have got it straight away. So good luck if you ever decide to write up a proper tuturial on it, a couple of diagrams would help tremendously too. :)

Great tiny puzzle :o) thanks

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good image.

Wow, it popped out of nowhere on the very last square. Great puzzle!

What a treasure of a puzzle to pop up in my randoms!! Top notch image and absolutely fantastic line logic solve from Marz, one of the icons of webpbn! Finished it up and get to the comments and here's Jan explaining edge logic before he was even calling it that. Along with nice comments from several other illustrious puzzlers! Also, karl chiming in with his typical praise. Jota tagging her "Delicious!" comment as a spoiler was icing on the cake!

17 years ago! WOW!

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