peek at solution solve puzzle
quality: difficulty:
solvability: moderate lookahead
Puzzle Description Suppressed:Click below to view spoilers
#1: Brian Bellis (mootpoint) on Sep 7, 2018
Oh cannonball, oh cannonball#2: Jota (jota) on Mar 4, 2019
This one I got!#3: Joe (infrapinklizzard) on Apr 22, 2021 [HINT]
After LL, EL 4 r20 limits it to [c5-10], so c1-4 white and c7-8 black#4: Web Paint-By-Number Robot (webpbn) on Apr 22, 2021
LL
EL 5 c6 = r2-6 w
LL
Deep EL 2 r2 (vs r4) = c7-12 w
LL
EL 5 r6 = c18-20 w
EL 3 r5 = c16-20 w
LL
EL left 2 r19 = c3 w
LL
EL 4 c11 = r20 w
LL to finish
Found to have a unique solution by infrapinklizzard.#5: Web Paint-By-Number Robot (webpbn) on Apr 22, 2021
Found to be solvable with moderate lookahead by infrapinklizzard.
Show: Spoilers
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