C13112133313331323321333133313331333133313113313331333133313331311331333132322121121
  >>
   C1311213331333132332133313331333133313331311331333133313331333131133133313232212112
  <<
   C13112133313331323321333133313331333133313113313331333133313331311331333132322121123
  >>
 
 
 C13112133313331323321333133313331333133313113313331333133313331311331333132322121122
  >>