C313212111113331323312111133133313331333133313331333133313113313331323321312311   >>    C31321211111333132331211113313331333133313331333133313331311331333132332131231   <<    C313212111113331323312111133133313331333133313331333133313113313331323321312313   >>      C313212111113331323312111133133313331333133313331333133313113313331323321312312   >>