C31232233133313221211113313331333133313311211231211113313331133131211331221   >>    C3123223313331322121111331333133313331331121123121111331333113313121133122   <<    C31232233133313221211113313331333133313311211231211113313331133131211331223   >>      C31232233133313221211113313331333133313311211231211113313331133131211331222   >>