N. 1   N. -2
   
    12.   (   ,  )
   
    ---------------------------------------------------------------------
                , ,   ,
    ---------------   (),        
    -   , -   
              ,      
    -------+-------+---------------------------------------+-------------
       1      2                      3                         4
    -------+-------+---------------------------------------+-------------
    __________________________________________________________________
    __________________________________________________________________
    __________________________________________________________________
    __________________________________________________________________
                              ..                      
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
    ---------------------------------------------------------------------
   
             4.