C31232233133313221211113313331311331333133313331121133132311211   >>    C3123223313331322121111331333131133133313331333112113313231121   <<    C31232233133313221211113313331311331333133313331121133132311213   >>      C31232233133313221211113313331311331333133313331121133132311212   >>