C2221232323213331311331333133313231333132333112323132332321323312111   >>    C222123232321333131133133313331323133313233311232313233232132331211   <<    C2221232323213331311331333133313231333132333112323132332321323312113   >>      C2221232323213331311331333133313231333132333112323132332321323312112   >>