C11111333133313232233133313331333133112111112111133131231211
  >>
   C1111133313331323223313331333133313311211111211113313123121
  <<
   C11111333133313232233133313331333133112111112111133131231213
  >>
 
 
 C11111333133313232233133313331333133112111112111133131231212
  >>