C31321211111333132331211113313331333133313331333133313331333132211232311   >>    C3132121111133313233121111331333133313331333133313331333133313221123231   <<    C31321211111333132331211113313331333133313331333133313331333132211232313   >>      C31321211111333132331211113313331333133313331333133313331333132211232312   >>