C31232233133313221211113313331333133313311211231211113313332113121   >>    C3123223313331322121111331333133313331331121123121111331333211312   <<    C31232233133313221211113313331333133313311211231211113313332113123   >>      C31232233133313221211113313331333133313311211231211113313332113122   >>