1.
   +------------------------------------------------------------------------------------------------------------------------------------------+
               ...,                               ...,     ...,    
    .   (,          
               (,                    ,                              .
               ,                              .)                      -                        
                                                                                                               
                 ..)                                                                                                          
   +------+------+---------+------------+--------+--------+-------------+-------+-------------+-------------+--------+-----------+------------
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
   +------------------------------------------------------------------------------------------------------------------------------------------+