C31232233133313221211113313331311331333133313113313331333133313331333133313122231211
  >>
   C3123223313331322121111331333131133133313331311331333133313331333133313331312223121
  <<
   C31232233133313221211113313331311331333133313113313331333133313331333133313122231213
  >>
 
 
 C31232233133313221211113313331311331333133313113313331333133313331333133313122231212
  >>