corbs                                                                                                                                                                                                                                                                                                                                                         
           en vol                                                                                                                                                                                                                                                                                                                                                       
           concèntric  
                                                                                                                                                                                                                                                                                                                                                             
           becs                                                                                                                                                                                                                                                                                                                                                          
           cerclant                                                                                                                                                                                                                                                                                                                                                      
           carronya