C111112111133131121133133313331333133313331322121111331333133313113313113113321   >>    C11111211113313112113313331333133313331333132212111133133313331311331311311332   <<    C111112111133131121133133313331333133313331322121111331333133313113313113113323   >>      C111112111133131121133133313331333133313331322121111331333133313113313113113322   >>