peek at solution solve puzzle
quality:
difficulty:
solvability: moderate lookahead
Puzzle Description:
(This puzzle was recovered from the 2016 database crash. Description not available.)
#1: Web Paint-By-Number Robot (webpbn) on Jun 13, 2026 classify
Found to have a unique solution by wombatilim.#2: Web Paint-By-Number Robot (webpbn) on Jun 13, 2026 classify
Found to be solvable with moderate lookahead by wombatilim.#3: Wombat (wombatilim) on Jun 13, 2026 [HINT] classify
Initial line & color logic solves 84% with only black remaining.
R2: However the 5 is placed, the 2 in R3 is in C10-11. LL.
R8: Whether C8 or C11 is black, R9C8 is white. LL.
C6: Whether R2 or R4 is black, R2C7 is black.
LL to finish.
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