I331323221313233313132313221323331323133313232222332331211
  >>
   I33132322131323331313231322132333132313331323222233233121
  <<
   I331323221313233313132313221323331323133313232222332331213
  >>
 
 
 I331323221313233313132313221323331323133313232222332331212
  >>