peek at solution solve puzzle
quality: difficulty: solvability: moderate lookahead
Puzzle Description Suppressed:Click below to view spoilers
#1: Joe (infrapinklizzard) on Jul 3, 2020 [HINT]
This has been voted much guessing. It is not. There are only three bits of advanced logic needed.#2: Web Paint-By-Number Robot (webpbn) on Jul 3, 2020
After LL
EL 7 r20 places it
LL
EL 3 c1 limits it to the range [r1-4], so c1r2-3 must be black
LL
EL 3 c20 = r8-9 white
LL to finish
Found to have a unique solution by infrapinklizzard.#3: Web Paint-By-Number Robot (webpbn) on Jul 3, 2020
Found to be solvable with moderate lookahead by infrapinklizzard.#4: Joe (infrapinklizzard) on Jul 3, 2020 [SPOILER]
Comment Suppressed:Click below to view spoilers#5: Jota (jota) on Jan 30, 2021
Indeed!
Show: Spoilers
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