peek at solution solve puzzle
quality: difficulty: solvability: moderate lookahead
Puzzle Description Suppressed:Click below to view spoilers
#1: bugaboo (bugaboo) on Mar 25, 2011
simple edge logic on the 4 in column 1 about half way through is all you need#2: S CREVIER (tapazou) on Mar 25, 2011
no guessing
As stated by bugaboo; no guessing needed.#3: Web Paint-By-Number Robot (webpbn) on Mar 28, 2011
Found to be logically solvable by Gator.#4: BlackCat (BlackCat) on Feb 9, 2021 [HINT]
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