(   )
bb      iii                   hh      iii             tt        (   ) (
bb           gggggg      sss  hh              yy   yy tt         ) _   )
bbbbbb  iii gg   gg     s     hhhhhh  iii     yy   yy tttt        ( \_
bb   bb iii ggggggg ...  sss  hh   hh iii ...  yyyyyy tt        _(_\ \)__
bbbbbb  iii      gg ...     s hh   hh iii ...      yy  tttt    (____\___))
             ggggg       sss                   yyyyy