C111113331333132322331333133313331331121111121111331323132211
  >>
   C11111333133313232233133313331333133112111112111133132313221
  <<
   C111113331333132322331333133313331331121111121111331323132213
  >>
 
 
 C111113331333132322331333133313331331121111121111331323132212
  >>