B331133131323131133132233133313233313331323133211331333133313331331123221311
  >>
   B33113313132313113313223313331323331333132313321133133313331333133112322131
  <<
   B331133131323131133132233133313233313331323133211331333133313331331123221313
  >>
 
 
 B331133131323131133132233133313233313331323133211331333133313331331123221312
  >>