C31232233133313221211113313331333133313311211231211113313223332331   >>    C3123223313331322121111331333133313331331121123121111331322333233   <<    C31232233133313221211113313331333133313311211231211113313223332333   >>      C31232233133313221211113313331333133313311211231211113313223332332   >>