N. 3
                                                           
                                                       02.04.96 N. 264
   
                                   
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    +---+------------+-----------+-------+--------+-----------+---------
     1      2           3        4       5        6        7     
    +---+------------+-----------+-------+--------+-----------+---------
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
    +-------------------------------------------------------------------+
   
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      ( N.  3)      
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    ()    .