C31232233133313221211113313331333133313113311331333133313113313311111   >>    C3123223313331322121111331333133313331311331133133313331311331331111   <<    C31232233133313221211113313331333133313113311331333133313113313311113   >>      C31232233133313221211113313331333133313113311331333133313113313311112   >>