C13223313311212111133133313331333133313232233133313331333112311211   >>    C1322331331121211113313331333133313331323223313331333133311231121   <<    C13223313311212111133133313331333133313232233133313331333112311213   >>      C13223313311212111133133313331333133313232233133313331333112311212   >>