C31232233133313221211113313331333133313311211231211113313331121121   >>    C3123223313331322121111331333133313331331121123121111331333112112   <<    C31232233133313221211113313331333133313311211231211113313331121123   >>      C31232233133313221211113313331333133313311211231211113313331121122   >>