- ,
()




  2
    
  

   
                  
                __________   
                 ______________________  _______ 20___ .
                 ( )    ()
   
   +--------------------------------------------------------------------+
           ,            
   /                       
                        +----------------------+----------------------
                                    /        1     2     3   
   +---+------------------+---------+------------+-------+------+-------
    1            2         3          4          5     6     7   
   +---+------------------+---------+------------+-------+------+-------
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
   +--------------------------------------------------------------------+
   
          :
   
   
     _____________  ____________________
                                 ()                 ()
   
        ..                                        ..