C2221232323213331311331333133313231333132333112323132332323231313131   >>    C222123232321333131133133313331323133313233311232313233232323131313   <<    C2221232323213331311331333133313231333132333112323132332323231313133   >>      C2221232323213331311331333133313231333132333112323132332323231313132   >>