C111112111133131121133133313331333132213331333131133132233132332313331313321   >>    C11111211113313112113313331333133313221333133313113313223313233231333131332   <<    C111112111133131121133133313331333132213331333131133132233132332313331313323   >>      C111112111133131121133133313331333132213331333131133132233132332313331313322   >>