C111112111133131121133133313331333133313121111331333131321322321   >>    C11111211113313112113313331333133313331312111133133313132132232   <<    C111112111133131121133133313331333133313121111331333131321322323   >>      C111112111133131121133133313331333133313121111331333131321322322   >>