C111112111133131121133133313331333133313331322121111331333232111   >>    C11111211113313112113313331333133313331333132212111133133323211   <<    C111112111133131121133133313331333133313331322121111331333232113   >>      C111112111133131121133133313331333133313331322121111331333232112   >>