C313212111133131211331333133313331333112113121111331322331311331333133313211   >>    C31321211113313121133133313331333133311211312111133132233131133133313331321   <<    C313212111133131211331333133313331333112113121111331322331311331333133313213   >>      C313212111133131211331333133313331333112113121111331322331311331333133313212   >>