B23112323331323132313223313331323331323223313231323133313233313233311233221
  >>
   B2311232333132313231322331333132333132322331323132313331323331323331123322
  <<
   B23112323331323132313223313331323331323223313231323133313233313233311233223
  >>
 
 
 B23112323331323132313223313331323331323223313231323133313233313233311233222
  >>