C31321211111333132331211113313331333133313331333133313331333131133132323312121   >>    C3132121111133313233121111331333133313331333133313331333133313113313232331212   <<    C31321211111333132331211113313331333133313331333133313331333131133132323312123   >>      C31321211111333132331211113313331333133313331333133313331333131133132323312122   >>