C11111333133313232233133313331333133112111112113313331312111113331333132332222121
  >>
   C1111133313331323223313331333133313311211111211331333131211111333133313233222212
  <<
   C11111333133313232233133313331333133112111112113313331312111113331333132332222123
  >>
 
 
 C11111333133313232233133313331333133112111112113313331312111113331333132332222122
  >>