C31232233133313221211113313331333133313311211231211113313331121133132313321   >>    C3123223313331322121111331333133313331331121123121111331333112113313231332   <<    C31232233133313221211113313331333133313311211231211113313331121133132313323   >>      C31232233133313221211113313331333133313311211231211113313331121133132313322   >>