B33113313132313113313223313331323231323131133132322131231211
  >>
   B3311331313231311331322331333132323132313113313232213123121
  <<
   B33113313132313113313223313331323231323131133132322131231213
  >>
 
 
 B33113313132313113313223313331323231323131133132322131231212
  >>