C2221232323213331311331333133313231333132313331333121313233132332113331   >>    C222123232321333131133133313331323133313231333133312131323313233211333   <<    C2221232323213331311331333133313231333132313331333121313233132332113333   >>      C2221232323213331311331333133313231333132313331333121313233132332113332   >>