C31321211111333132331211113313331333133313331333133313331333133313113223313121   >>    C3132121111133313233121111331333133313331333133313331333133313331311322331312   <<    C31321211111333132331211113313331333133313331333133313331333133313113223313123   >>      C31321211111333132331211113313331333133313331333133313331333133313113223313122   >>