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Light Up Puzzle #4133 by macherlakumar
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Realshaggy



Joined: 03/12/2012 15:28:30
Messages: 2
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Number: Puzzle #4133
Genre: Light Up
Author: macherlakumar
Appeared at: October 2, 2013
ERANUS



Joined: 17/05/2010 11:04:14
Messages: 106
Location: Israel
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This is a nice simple puzzle. I think the insertion of the black square is a misinterpretation of the rules. It seems the author inserted it so no square is illuminated by two light bulbs. This is OK but is not required, all that is required is that there is no direct "line of sight" between bulbs...
connect4


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Joined: 04/03/2008 05:04:39
Messages: 250
Location: USA
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I'm thinking it was added for aesthetic symmetry, as all given squares are matched if you rotate the puzzle 180 degrees.
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