C1212121213213231323132322231323132313132322331311331313132322231   >>    C121212121321323132313232223132313231313232233131133131313232223   <<    C1212121213213231323132322231323132313132322331311331313132322233   >>      C1212121213213231323132322231323132313132322331311331313132322232   >>