C1311213331333132332133313331333133313331311331333133313331333131133131132211
  >>
   C131121333133313233213331333133313331333131133133313331333133313113313113221
  <<
   C1311213331333132332133313331333133313331311331333133313331333131133131132213
  >>
 
 
 C1311213331333132332133313331333133313331311331333133313331333131133131132212
  >>