0 
                                             0                                              0                        0                                                 
                                                                                                                                       
                      0                                         1                                   0                                           
                                                                                                                                       
                                                 0                                 0                                                         
        0                0                                                                                                                    0 
                                             0                                              0                        0                                                 
                                                                                                                                       
                      0                                         0                                   0                                           
                                                                                                                                       
                                                 0                                 0                                                         
        0                0