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Comments on Puzzle #23765: Happy
By RB (rb2013)

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

Puzzle Description Suppressed:Click below to view spoilers

#1: Thomas Genuine (Genuine) on Feb 8, 2014

Well done Bálint
Mi vagyunk a legjobbak :)
#2: Tonia Bergh (tonia) on Feb 8, 2014
Nice! A bit of a challenge, with a nice reward!
#3: Al LaPointe (kancamagus) on Feb 8, 2014
very fun puzzle!
#4: RB (rb2013) on Feb 9, 2014 [HINT] [SPOILER]
Comment Suppressed:Click below to view spoilers
#5: Kristen Vognild (Kristen) on Feb 9, 2014 [SPOILER]
Comment Suppressed:Click below to view spoilers
#6: Web Paint-By-Number Robot (webpbn) on Feb 9, 2014
Found to be solvable with moderate lookahead by infrapinklizzard.
#7: Joe (infrapinklizzard) on Feb 9, 2014 [HINT]
You can also use summing logic. (I don't know why, but I noticed it before the alternating smile logic.)

After LL,

Look at columns 1-2. The remaining clues add up to eight.
Now look at the crossing clues that can fit into those two columns. They also add up to eight. That means that there must be a 1 from each row in one of the first two columns.

That forces r8c2 to be black (since c1 in that row is already white).

Then LL goes clockwise to the upper right.

Then you can do either the alternating smile logic or another bit of summing on the right side. (This time, c9r3 is forced black.)

Then a smile to finish.

Fun puzzle.
#8: valerie o..travis (bigblue) on Feb 10, 2014
ditto #5 :)
#9: Tom O'Connell (sensei69) on Feb 12, 2014
ditto #8 :)
#10: Andrew Schultz (blurglecruncheon) on Feb 3, 2022
Neat logic in this puzzle, and I enjoyed the final image, too.

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