C13332313311211113313331333133313331323321333133313232233233311   >>    C1333231331121111331333133313331333132332133313331323223323331   <<    C13332313311211113313331333133313331323321333133313232233233313   >>      C13332313311211113313331333133313331323321333133313232233233312   >>