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#1: bugaboo (bugaboo) on Jun 17, 2011

very fun solve
no guessing

line/color logic to solve all the red/blue/green and some of the black (in fact c19-c40 will be completely solved at this point except for 2 black 1 pixels in c28 and c32)

edge logic on the black 5 clue in r31 and edge logic on the black 5 clue in r23 will give you a little more, but most importantly it will give you an "edge" to do edge logic on the 5 clue in r27 (this now lets you line solve a lot more)

then i used affirmation or two-way logic in r2-3 with c3-4 (r2 cant have dots in both c3-4 so at least one [or both] of them is black [however they cant both be black because it would force r3 to have a black pixel in both c3 and c4 when it can only have a single pixel but this is irrelevant]); whichever one it is will force the 1 from r3 into that same column so you can dot the rest of r3 except for c3 and c4

line logic solves the rest

New version published by wsullivan.

Quite nice.

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