C2221232323213331311331333133313231323133313232212332333133321231   >>    C222123232321333131133133313331323132313331323221233233313332123   <<    C2221232323213331311331333133313231323133313232212332333133321233   >>      C2221232323213331311331333133313231323133313232212332333133321232   >>