B3313221211233132322331321123233313231333132233133313331333132322331322231311
  >>
   B331322121123313232233132112323331323133313223313331333133313232233132223131
  <<
   B3313221211233132322331321123233313231333132233133313331333132322331322231313
  >>
 
 
 B3313221211233132322331321123233313231333132233133313331333132322331322231312
  >>