C13223313311212111133133313331333133313232233133313311221331123223311   >>    C1322331331121211113313331333133313331323223313331331122133112322331   <<    C13223313311212111133133313331333133313232233133313311221331123223313   >>      C13223313311212111133133313331333133313232233133313311221331123223312   >>