Puzzle Description:

(This puzzle was recovered from the 2016 database crash. Description not available.)

#1: Andrew Schultz (blurglecruncheon) on Jan 17, 2024 [HINT]       classify

I really like the logic here, and it's a cool image too!

Helper gets you to 54%. Red can be filled by line logic. We get to 63%.

Then we look at C19. If R2R3 is where the blue 2 is, note wherever we place the 3 blue dots in R4/5, they must extend to R6/7. So we have a 3 when we should have 2/2.

A blue dot at R16C19 puts a blue dot at R18C19, a contradiction.

From there, line logic on the blues then the greens solves things.

Found to have a unique solution by blurglecruncheon.

Found to be solvable with moderate lookahead by blurglecruncheon.

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