C111113331333132322331333133313331333132313223211113311211211
  >>
   C11111333133313232233133313331333133313231322321111331121121
  <<
   C111113331333132322331333133313331333132313223211113311211213
  >>
 
 
 C111113331333132322331333133313331333132313223211113311211212
  >>