Eight queen puzzle

The eight queen puzzle is the problem of placing eight chess queens on an 8x8
chessboard so that no two queens threaten each other. The eight queen problem can
be defined as follows: Place 8 queens on an (8 by 8) chess board such that none of
the queens attacks any of the others. A solution configuration solution requires that
no two queens share the same row, column, or diagonal like the following.
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