C31232233133313221211113313331333133313311211231211113313331133131211331323111   >>    C3123223313331322121111331333133313331331121123121111331333113313121133132311   <<    C31232233133313221211113313331333133313311211231211113313331133131211331323113   >>      C31232233133313221211113313331333133313311211231211113313331133131211331323112   >>