B3311331313231311331322331333132313331323133211331333133313221211121
  >>
   B331133131323131133132233133313231333132313321133133313331322121112
  <<
   B3311331313231311331322331333132313331323133211331333133313221211123
  >>
 
 
 B3311331313231311331322331333132313331323133211331333133313221211122
  >>