C2221232323213331311331333133313231333132333112323132332323213213231311   >>    C222123232321333131133133313331323133313233311232313233232321321323131   <<    C2221232323213331311331333133313231333132333112323132332323213213231313   >>      C2221232323213331311331333133313231333132333112323132332323213213231312   >>