The impossable puzzle

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can you do this puzzle.
1. you must do it without lifting your pencil or pen
2. you cannot go over the any line twice
Here it is
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Actually, it should be pretty easy, I did a lot of these things in my Primary School ages, and resolved them everytime after a few tries
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I have tried for 2 years, and cannot solve it. If you can solve it i will be very greatful.
 
updowners said:
Ireland 1 said:
thanks for chrushing my hopes of solving the puzzle

Hey, at least you won't be spending another couple of years on this puzzle.

Yeah now i will spend more of my time with my flashcart and ds lite

QUOTE(FAST6191 @ Sep 26 2009, 01:05 PM)
Provably impossible (I know it has already been taken but you can have some maths to back it):
http://www.tummyfluff.co.uk/puzzles/lines2.htm
Thanks for the maths bit.
 
It *is* impossible.
Topology tells us that a figure can only be traced in one stroke without repeating a line if either:
a) Every intersection of lines (point) involves an even number of lines spanning from it
or
b) ALL BUT TWO involve an even number.

For further details, go to Wikipedia, or read the Maths "D1" A-level Textbook.
tongue.gif


This figure has a (4) in the middle, and 4 (5)s, thus is not traceable in one stroke.

EDIT: Oh yeah, it was in Layton too. Funny; I was doing D1 at the same time as the first Layton came out in the UK, so I didn't need the in-game hint.
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