C31232233133313221211113313331333133313311211231211113313221323131   >>    C3123223313331322121111331333133313331331121123121111331322132313   <<    C31232233133313221211113313331333133313311211231211113313221323133   >>      C31232233133313221211113313331333133313311211231211113313221323132   >>