peek at solution solve puzzle
quality: difficulty: solvability: moderate lookahead
Puzzle Description Suppressed:Click below to view spoilers
#1: derby (Derby) on Nov 16, 2019
I do know see what you mean by smile logic. Good puzzle.#2: Wombat (wombatilim) on Mar 9, 2023 [HINT]
Comment Suppressed:Click below to view hints#3: Web Paint-By-Number Robot (webpbn) on Mar 9, 2023
Found to have a unique solution by wombatilim.#4: Web Paint-By-Number Robot (webpbn) on Mar 9, 2023
Found to be solvable with moderate lookahead by wombatilim.
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