C31232233133313221211113313331333133313113311331333133323213331312131   >>    C3123223313331322121111331333133313331311331133133313332321333131213   <<    C31232233133313221211113313331333133313113311331333133323213331312133   >>      C31232233133313221211113313331333133313113311331333133323213331312132   >>