C111113331333132322331333133313331333133313121111331331121111133313331323131133121211
  >>
   C11111333133313232233133313331333133313331312111133133112111113331333132313113312121
  <<
   C111113331333132322331333133313331333133313121111331331121111133313331323131133121213
  >>
 
 
 C111113331333132322331333133313331333133313121111331331121111133313331323131133121212
  >>