C2221232323213331311331333133313231333132333112323132332323111213231   >>    C222123232321333131133133313331323133313233311232313233232311121323   <<    C2221232323213331311331333133313231333132333112323132332323111213233   >>      C2221232323213331311331333133313231333132333112323132332323111213232   >>