C31232233133313221211113313331333133313311211231211113313331133112111   >>    C3123223313331322121111331333133313331331121123121111331333113311211   <<    C31232233133313221211113313331333133313311211231211113313331133112113   >>      C31232233133313221211113313331333133313311211231211113313331133112112   >>