C211111133131323223313233313231133132333133313231333131133131323221211
  >>
   C21111113313132322331323331323113313233313331323133313113313132322121
  <<
   C211111133131323223313233313231133132333133313231333131133131323221213
  >>
 
 
 C211111133131323223313233313231133132333133313231333131133131323221212
  >>