C22212323232133313113313331333133313231323133313332233122323113132323211   >>    C2221232323213331311331333133313331323132313331333223312232311313232321   <<    C22212323232133313113313331333133313231323133313332233122323113132323213   >>      C22212323232133313113313331333133313231323133313332233122323113132323212   >>