C31232233133313221211113313331333133313113311331333133313331312313131   >>    C3123223313331322121111331333133313331311331133133313331333131231313   <<    C31232233133313221211113313331333133313113311331333133313331312313133   >>      C31232233133313221211113313331333133313113311331333133313331312313132   >>