peek at solution solve puzzle
quality: difficulty: solvability: line & color logic only
Puzzle Description Suppressed:Click below to view spoilers
#1: Susan Duncan (medic25733) on Dec 22, 2010
Clever#2: Tom O'Connell (sensei69) on Dec 22, 2010
glad someone used my blue lights#3: bugaboo (bugaboo) on Dec 22, 2010
one of the few times an unusual number of pixels (12) is acceptable for a dimension#4: BlackCat (BlackCat) on Mar 10, 2018
OK
Show: Spoilers
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