.

         N 6                         ___________________________
                                           (  )
                                               -________________
                                                           (...)
                                              _____________
                                              ________________________

                                 
           . 49         
             ()_________
    __________________________________________________________________
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        N_______  "__"________ 20   .  
    __________________________________________________________________
                   
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           ___________________
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    ,     .
                              ____________ "__"__________20   .

          ,  _______________