C31232233133313221211113313331333133313331212111133133311331311212111   >>    C3123223313331322121111331333133313331333121211113313331133131121211   <<    C31232233133313221211113313331333133313331212111133133311331311212113   >>      C31232233133313221211113313331333133313331212111133133311331311212112   >>