C111112111133131121133133313331333131333132322331333131133131111211322321   >>    C11111211113313112113313331333133313133313232233133313113313111121132232   <<    C111112111133131121133133313331333131333132322331333131133131111211322323   >>      C111112111133131121133133313331333131333132322331333131133131111211322322   >>