Eight Queens Puzzle

Place 8 queens on a chessboard, so that no two of them attack each other. For an extra challenge, make sure that no three of them lie on a straight line.

The original puzzle has 10 unique solutions, up to rotation and symmetry. With the additional restriction imposed, there is only one solution.

Max Friedrich William Bezzel (1824 – 1871) was a German chess composer who created the eight queens puzzle in 1848.

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  1. 01000000
    00000010
    00001000
    10000000
    00100000
    00000001
    00000100
    00010000
    where, 1 here represents the position of Queen
    This is also a possible solution which can satisfy the extra challenge