C31232233133313221211113313331311331333133112111133221231211
  >>
   C3123223313331322121111331333131133133313311211113322123121
  <<
   C31232233133313221211113313331311331333133112111133221231213
  >>
 
 
 C31232233133313221211113313331311331333133112111133221231212
  >>