br bn bb bq bk bb bn br                                                         
bp bp bp bp bp bp bp bp                                                         
ee ee ee ee ee ee ee ee                                                         
ee ee ee ee ee ee ee ee                                                         
ee ee ee ee ee ee ee ee                                                         
ee ee ee ee ee ee ee ee                                                         
wp wp wp wp wp wp wp wp                                                         
wr wn wb wq wk wb wn wr                                                         
d two d four                                                                    
d seven d five