C11112331312111112111133133313331333133313223223313121111133323132212121
  >>
   C1111233131211111211113313331333133313331322322331312111113332313221212
  <<
   C11112331312111112111133133313331333133313223223313121111133323132212123
  >>
 
 
 C11112331312111112111133133313331333133313223223313121111133323132212122
  >>