C2221232323213331311331333133313231333132333112323132332322322321   >>    C222123232321333131133133313331323133313233311232313233232232232   <<    C2221232323213331311331333133313231333132333112323132332322322323   >>      C2221232323213331311331333133313231333132333112323132332322322322   >>