_.a$$$$$a._
,$$$$$$$$$$$$$.
,$$$$$$$$$$$$$$$$$.
d$$$$$$$$$$$$$$$$$$$b
d$$$$$$$$~'"`~$$$$$$$$b
($$$$$$$p _ q$$$$$$$)
$$$$$$$$ (_) $$$$$$$$
$$$$$$$$ (_) $$$$$$$$
($$$$$$$b d$$$$$$$)
q$$$$$$$$a._.a$$$$$$$$p
q$$$$$$$$$$$$$$$$$$$p
`$$$$$$$$$$$$$$$$$'
`$$$$$$$$$$$$$'
`~$$$$$$$~'