C13223313311212111133133313331333133313232233133313121111331333112331123331   >>    C1322331331121211113313331333133313331323223313331312111133133311233112333   <<    C13223313311212111133133313331333133313232233133313121111331333112331123333   >>      C13223313311212111133133313331333133313232233133313121111331333112331123332   >>