( ) 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