C111112111133131121133133313331311331333132223133313331322233321   >>    C11111211113313112113313331333131133133313222313331333132223332   <<    C111112111133131121133133313331311331333132223133313331322233323   >>      C111112111133131121133133313331311331333132223133313331322233322   >>