B331133131323131133132233133313231323223313231313331333132313132322121
  >>
   B33113313132313113313223313331323132322331323131333133313231313232212
  <<
   B331133131323131133132233133313231323223313231313331333132313132322123
  >>
 
 
 B331133131323131133132233133313231323223313231313331333132313132322122
  >>