C31232233133313221211113313331333133313311211231211113313331121213321   >>    C3123223313331322121111331333133313331331121123121111331333112121332   <<    C31232233133313221211113313331333133313311211231211113313331121213323   >>      C31232233133313221211113313331333133313311211231211113313331121213322   >>