C111113331333132322331333133313331331121111121132131121211
  >>
   C11111333133313232233133313331333133112111112113213112121
  <<
   C111113331333132322331333133313331331121111121132131121213
  >>
 
 
 C111113331333132322331333133313331331121111121132131121212
  >>