The impossable puzzle

Discussion in 'GBAtemp Art Studio' started by Ireland 1, Sep 26, 2009.

  1. Ireland 1
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    Ireland 1 GBAtemp Advanced Fan

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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
    [​IMG]
     
  2. updowners

    updowners lurklurklurk

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    Impossible.
     
  3. raulpica

    raulpica With your drill, thrust to the sky!

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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 [​IMG]
     
  4. Ireland 1
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    Ireland 1 GBAtemp Advanced Fan

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    I have tried for 2 years, and cannot solve it. If you can solve it i will be very greatful.
     
  5. updowners

    updowners lurklurklurk

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  6. Ireland 1
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    Ireland 1 GBAtemp Advanced Fan

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    you are helping
     
  7. updowners

    updowners lurklurklurk

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    http://forum.ebaumsworld.com/showthread.php?t=137248

    Note: Some of them are stupider than me like poster 4 and 5 in the link.
     
  8. Ireland 1
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    Ireland 1 GBAtemp Advanced Fan

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    thanks for chrushing my hopes of solving the puzzle
     
  9. updowners

    updowners lurklurklurk

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    Hey, at least you won't be spending another couple of years on this puzzle.
     
  10. FAST6191

    FAST6191 Techromancer

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  11. Ireland 1
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    Ireland 1 GBAtemp Advanced Fan

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    Thanks for the maths bit.
     
  12. Splych

    Splych GBAtemp's Lurker

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    Seems impossible to me ;P
     
  13. JesseB

    JesseB GBAtemp Regular

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  14. aphirst

    aphirst "Aren't girls with pee-pees just men?"

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    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. [​IMG]

    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. [​IMG]