///////                 ///                                                ///
     ///   ///               ///
    ///    ///    //////    ////////    ///    ///    ////////        ///////  ///
   ///    ///  ///    ///  ///    ///  ///    ///  ///    ///       ///       ///
  ///    ///  //////////  ///    ///  ///    ///  ///    ///       ///////   ///
 ///   ///   ///         ///    ///  ///    ///  ///    ///  ///  ///       ///
///////       ///////   ////////     ////////     ////////  ///  ///       ///
                                               //     ///
                                               ////////