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Comments on Puzzle #16557: Head Protection #4
By David Bouldin (dbouldin)

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

Puzzle Description Suppressed:Click below to view spoilers

#1: Teresa K (fasstar) on Dec 13, 2011

Of course! Great job, David. No guessing.

The edge logic was really tricky, but I got through it. Just don't ask me to explain it. :-)
#2: bugaboo (bugaboo) on Dec 13, 2011
you may have made this too hard fasstar

line logic solves about 80% of this puzzle (except for generally the upper right corner)

look at the 4 clues in c18 and c20 along row 9; they cant both go down into r10-12 and they cant both go up into r7 and r8
so one 4 clue has to go down and one 4 clue has to go up (relative to r9);
either way, you know the 1 clue in r7 has to either go into c18 or c20 (so you can dot the rest of r7) and line logic solves it out

nice one
no guessing
#3: Marie-Louise Ambrey (marz71) on Dec 14, 2011
Excellent fun puzzle to solve David, love it! :)
#4: David Bouldin (dbouldin) on Dec 14, 2011
Thanks!
#5: Joe (infrapinklizzard) on Jan 3, 2012
Same as bugaboo - nice solve!
#6: Web Paint-By-Number Robot (webpbn) on Jul 13, 2012
Found to be logically solvable by gator.
#7: Tom King (sgusa) on Jul 16, 2014
Fun solve, David!
#8: David Bouldin (dbouldin) on Jul 31, 2014
Thanks Tom!
#9: Jota (jota) on Jul 13, 2019
Another great one!
#10: David Bouldin (dbouldin) on Jul 15, 2019
lol...looks like you've been running through my puzzles jota :) glad you are enjoying them! :D
#11: Jota (jota) on Jul 15, 2019
I did!
#12: BlackCat (BlackCat) on Aug 2, 2021
Excellent! I knew what it was without reading the caption. Fun to solve. No guessing.

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