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#1: kwanlu (kwanlu) on Jan 27, 2012

Accidentally made two! (Sorry, still learning...)

I like it! I didn't think it was solvable at first, and then I saw where I had misplaced a blue square. :)

Well done!

i like it too.:)

line/color logic solves all but the very last of the red 1s on the right and bottom areas

using the clues from the column clues (c8-12) there are 5 remaining red 1 clues and there are only those 5 columns in which to place them between r17-18 so there is only one way to place those 1 clues to satisfy both r17-18 and c8-12 (you can use summing) but no matter what, the small square in r17-18c16-17 must be dots and it solves out

you could do the same type of logic using the 1 clues from r7,9-13c16-17 to make that same square in r17-18c16-17 dots and it solves out

alternating smile logic or summing (call it what you want)

no guessing

Found to be solvable with moderate lookahead by jan.

Cool little puzzle. I solved it just the way Bugaboo did and it makes for a very interesting solve.

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