peek at solution solve puzzle
quality: difficulty: solvability: moderate lookahead?
Puzzle Description:
(This puzzle was recovered from the 2016 database crash. Puzzle creators, please edit this puzzle and put the real description here!)
#1: Wombat (wombatilim) on Dec 13, 2022 [HINT]
Red, green, and blue can all be solved with line & color logic. There's a bit of black up top still to solve.
EL R2 marks C18-22 white.
C17: R7-8 must be white or it causes a contradiction in C18. The same logic can be applied to C22-23 (C23 R7-8 are also white).
LL solves the rest.
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