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Comments on Puzzle #12748: We bring gifts.
By Aldege Cholette (Aldege)

peek at solution       solve puzzle
  version: 2    quality:   difficulty:   solvability: moderate lookahead  

Puzzle Description Suppressed:Click below to view spoilers

#1: Web Paint-By-Number Robot (webpbn) on Mar 15, 2011

New version published by aldege.
#2: bugaboo (bugaboo) on Mar 19, 2011
interesting characters
#3: Teresa K (fasstar) on Mar 25, 2011 [HINT]
Whew! That was a lot of work. Fancy color logic and some very tricky logic at the end that required looking ahead more than two moves.

Nice image.
#4: Aldege Cholette (aldege) on Mar 25, 2011
Thx Teresa.
#5: Vaggelis Kamaris (evag7651) on Apr 30, 2014
at least SOLVED!!! with one revert at the end.
#6: BlackCat (BlackCat) on Dec 2, 2017
Probably neat, but just too tedious to finish.
#7: BlackCat (BlackCat) on Feb 1, 2018
Tried it again. Still too tedious.
#8: BlackCat (BlackCat) on Mar 8, 2018
This may well be a great puzzle, but it is just to big and fussy for me.
#9: derby (Derby) on Oct 4, 2021
I’ve done this puzzle twice now and enjoyed it both times.
#10: Web Paint-By-Number Robot (webpbn) on Sep 30, 2024
Found to be solvable with moderate lookahead by wombatilim.
#11: Wombat (wombatilim) on Sep 30, 2024 [HINT]
Initial line & color logic solves 98% with only black remaining.

R33: Whether C7 or C9 is black, R32C9 is black. LL.

R15: Whether C30 or C31 is black, R16C33 is black. LL.

R28: If the remaining black 1 is placed in C15 or C19, R26-27 C8 will be black, and C10 will be invalid. LL.

C11: If R22 is black, R24-25 and R27-28 C10 will be black, and C9 will be invalid. No LL.

C9: If R23 is black, R26 C10-11 would be black, and R23C10 would also need to be black, which is invalid.

LL to finish.

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