• + 1 comment

    This solution is not accepted:

    9
    5 2 4 9 7 3 1 6 8
    

    Corresponding board is:

    * * * * S * * * * 
    * S * * * * * * * 
    * * * S * * * * * 
    * * * * * * * * S 
    * * * * * * S * * 
    * * S * * * * * * 
    S * * * * * * * * 
    * * * * * S * * * 
    * * * * * * * S *
    

    I dont see why?