C313212111113331323312111133133313331333133313331333133313332313232311   >>    C31321211111333132331211113313331333133313331333133313331333231323231   <<    C313212111113331323312111133133313331333133313331333133313332313232313   >>      C313212111113331323312111133133313331333133313331333133313332313232312   >>