C2221232323213331311331333133313231323133313121121132332211121221   >>    C222123232321333131133133313331323132313331312112113233221112122   <<    C2221232323213331311331333133313231323133313121121132332211121223   >>      C2221232323213331311331333133313231323133313121121132332211121222   >>