C13112133313331323321333133313331333133313331333133313331333133313331311331333133321223121
  >>
   C1311213331333132332133313331333133313331333133313331333133313331333131133133313332122312
  <<
   C13112133313331323321333133313331333133313331333133313331333133313331311331333133321223123
  >>
 
 
 C13112133313331323321333133313331333133313331333133313331333133313331311331333133321223122
  >>