C2221232323213331311331333133313231333132313331333121313233111221323331   >>    C222123232321333131133133313331323133313231333133312131323311122132333   <<    C2221232323213331311331333133313231333132313331333121313233111221323333   >>      C2221232323213331311331333133313231333132313331333121313233111221323332   >>