C31232233133313221211113313331333133313331212111133133311233112331   >>    C3123223313331322121111331333133313331333121211113313331123311233   <<    C31232233133313221211113313331333133313331212111133133311233112333   >>      C31232233133313221211113313331333133313331212111133133311233112332   >>