C2221333133313331311233132313331333133313331333133313331311331333132332123131   >>    C222133313331333131123313231333133313331333133313331333131133133313233212313   <<    C2221333133313331311233132313331333133313331333133313331311331333132332123133   >>      C2221333133313331311233132313331333133313331333133313331311331333132332123132   >>