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# Number puzzle

5 replies to this topic

### #1 brhan

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Posted 21 September 2007 - 01:13 PM

Put the numbers from 1 to 14 into the square, such that no consecutive numbers (eg. 2 and 3) and consecutive parity numbers (e.g 2 and 4) touch (common edge or point).

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### #2 Writersblock

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Posted 21 September 2007 - 08:04 PM

nice
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### #3 c16ram

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Posted 22 September 2007 - 01:17 PM

4 12 6 3
11 7 2 9 14 8
10 13 5 1
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### #4 brhan

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Posted 22 September 2007 - 02:56 PM

.. 4 12 6 3
11 7 2 9 14 8
.. 10 13 5 1

That is not correct. 4 and 2 are connected through a diagonal. The same reasoning with 10 and 11.
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### #5 bonanova

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Posted 23 September 2007 - 05:22 AM

If I understand the "parity" constraint, the idea is to keep neighbors from being nearest or next-nearest in value.
Neighboring numbers must differ by 3 or more in value.

I broke the problem down this way.
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### #6 brhan

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Posted 24 September 2007 - 04:50 PM

If I understand the "parity" constraint, the idea is to keep neighbors from being nearest or next-nearest in value.
Neighboring numbers must differ by 3 or more in value.

Exactly ...
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