C31321211111333132331211113313331333133313331333133313331311331313232311   >>    C3132121111133313233121111331333133313331333133313331333131133131323231   <<    C31321211111333132331211113313331333133313331333133313331311331313232313   >>      C31321211111333132331211113313331333133313331333133313331311331313232312   >>