1734            
                   
                                                 
    

   1     
                                                       7.7×  23cm     23             1-2  20b-23a                                                      
    2     
       1b                                                              2a                                                                   2b                                                                                        
     3     
      20b                                                      21a                                                                           21b                                                                          22a                                                                                     22b                                                                     23a                          
                                                                                 
                                                 1734           
                                                    1732                     1732              1732                  1732                         
             1734                                               
                         1732         1734                              