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Re: [PrimeNumbers] kQueens

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  • Jud McCranie
    ... A(8)=46. Here is a solution. 0 - empty square, 1/2/3 are the colors of the queens. 1 3 2 3 1 3 1 2 2 0 1 0 2 0 0 3 3 0
    Message 1 of 2 , May 30, 2003
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      At 03:11 PM 5/29/2003, Jon Perry wrote:
      >Please see;
      >
      ><http://www.users.globalnet.co.uk/~perry/maths/kQueens/kQueens.htm>http://www.users.globalnet.co.uk/~perry/maths/kQueens/kQueens.htm

      A(8)=46. Here is a solution. "0" - empty square, 1/2/3 are the colors of
      the queens.

      1 3 2 3 1 3 1 2
      2 0 1 0 2 0 0 3
      3 0 2 0 3 1 2 1
      2 1 3 1 2 0 0 3
      3 0 2 0 0 3 1 2
      2 0 1 3 1 2 0 3
      3 0 2 0 0 3 0 1
      2 0 3 1 2 1 2 3

      It took less than a second to find this solution, more than an hour to
      prove that it is the max.
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