B33113313132313113313223313331323131323133313232233131333133313231333133313233311312121
  >>
   B3311331313231311331322331333132313132313331323223313133313331323133313331323331131212
  <<
   B33113313132313113313223313331323131323133313232233131333133313231333133313233311312123
  >>
 
 
 B33113313132313113313223313331323131323133313232233131333133313231333133313233311312122
  >>