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  #1  
Old 12-15-2006, 08:47 PM
ZeTurd ZeTurd is offline
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Default A challenge

You have to draw a line through each wall in this house without it crossing the same wall multiple times or crossing itself.

Here's the house:



Here's an example:

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  #2  
Old 12-15-2006, 08:49 PM
kyro kyro is offline
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Default Re: A challenge

<font color="white">It's impossible, isn't it? </font>
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  #3  
Old 12-15-2006, 08:55 PM
Stephen H Stephen H is offline
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Default Re: A challenge

[ QUOTE ]
<font color="white">It's impossible, isn't it? </font>

[/ QUOTE ]

<font color="white">Provably so. There are 3 regions with odd numbers of walls and therefore must have an endpoint of the line. It's a bit tricky as "outside the house" is one of the regions, and it has 9 walls.</font>
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  #4  
Old 12-15-2006, 08:57 PM
traz traz is offline
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Default Re: A challenge

I think I'm an idiot
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  #5  
Old 12-15-2006, 08:58 PM
Jeremy517 Jeremy517 is offline
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Default Re: A challenge

[ QUOTE ]
I think this does it

[/ QUOTE ]

You go through the bottom-center twice.

The puzzle is not solvable.
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  #6  
Old 12-15-2006, 09:00 PM
traz traz is offline
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Default Re: A challenge

oh yea, holler
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  #7  
Old 12-15-2006, 09:02 PM
RivaLiva RivaLiva is offline
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Default Re: A challenge

I have always heard that the box was just the box without the roof. Would it be solvable if it didn't have to 2 lines that form the roof?
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  #8  
Old 12-15-2006, 09:04 PM
Madtown Madtown is offline
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Default Re: A challenge



what do I win
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  #9  
Old 12-15-2006, 09:05 PM
traz traz is offline
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Default Re: A challenge

HE SAID A LINE NOT 18 NIT
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  #10  
Old 12-15-2006, 09:08 PM
Madtown Madtown is offline
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Default Re: A challenge

[ QUOTE ]
HE SAID A LINE NOT 18 NIT

[/ QUOTE ]

"You have to draw a line through each wall in this house without it crossing the same wall multiple times or crossing itself."

I drew a line through each wall. None of them cross the same wall multiple times or cross themselves.

Face it, I win.
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