C13223313311212111133133313331333133313232233133313331323321211231232132311   >>    C1322331331121211113313331333133313331323223313331333132332121123123213231   <<    C13223313311212111133133313331333133313232233133313331323321211231232132313   >>      C13223313311212111133133313331333133313232233133313331323321211231232132312   >>