C13223313311212111133133313331333133313232233133313113313232132131   >>    C1322331331121211113313331333133313331323223313331311331323213213   <<    C13223313311212111133133313331333133313232233133313113313232132133   >>      C13223313311212111133133313331333133313232233133313113313232132132   >>