$$$$$$$$ $$                   $$    $$         .d$$b.          
   $$    $$                   $$;   $$        dP'  `T             
   $$    $$                   $$$   $$       d$                
   $$    $$                   $$:;  $$      :$;                 
   $$    $$.s$s.    g$$$g     $$ $  $$ $$$$ :$;         .ss.   $$.s$b..s$b.
   $$    $$P'`T$.  dP' `Tb    $$ :; $$ $$$$ :$;        dP'`Tb  $$P' $$P' $$
   $$    $$    $$ :$b. .d$    $$  $ $$      :$;       :$    $; $$   $$   $$
   $$    $$    $$ :$$$$$P'    $$  :;$$       T$       :$    $; $$   $$   $$
   $$    $$   :$;  $$    .    $$   $$$        Ts.  .s  Tb..dP  $$   $$   $$
   $$    $$  .$P   `T$$$P'    $$   :$$ [bug]   `T$$P'   `TP'   $$   $$   $$

.gP^^Tg.  .gP^^Tg. ^$^ $ $ $^       .gdP^^Tb        .gP^^Tg.        .gP^Tg. .gP^Tg. .gP^Tg.
$'    `$  $'    `$  $  $=$ $=     .gP*     `b    .gP*'    `*Tg.    d'   `Td'    `Td'      `b
$      `b $      $  $  $ $ $s    d*'        $;  d*            *b   $      T       T        $
$       `b$      $              d'         .P  d'     .ss.     `b  $                       $
$        `T      $ .gP^^^^Tg.  d;     .sssdP  d;     d'  `b     :b $                       $
$                $ $'      `$ :$     :$'      $;    :;    :;    :$ $       i       i       $
$                $ $.      .$ :$     :$.      $;    :;    :;    :$ $       $       $       $
$      b         $ `TbssssdP'  T;     `^^^Tb  T;     T.  .P     :P $       $       $       $
$      $b        $              T.         `b  T.     `^^'     .P  $       $       $       $
$      $`b       $               T+.        $;  T+.          .+P   $       $       $       $
$.    .$ `b.    .$                `*b.     .P    `*b.      .d*'    $       $       $       $
`TbggdP'  `TbggdP' [bug]            `*TbggdP       `*TbggdP*'      `TbgggdP'TbgggdP'TbgggdP'
                                                                      
 d$$$$b    d$$$$b  $$$ $=$ $$     .g$$$$$$$b+    .+gd$$$$$$bg+.     d$$$$$b.d$$$$$b.d$$$$$b 
d$$$$$$b d$$$$$$$b             .g$$$$$$$$$$P^ .+d$$$$$P^^T$$$$$b+. d$$$$$$$|$$$$$$$|$$$$$$$b
$$$$$$$$d$$$$$$$$$ d$$$$$$$$b :$$$$$$$P"      $$$$$$$P    T$$$$$$$ $$$$$$$$|$$$$$$$|$$$$$$$$
$$$$$$$$$P$$$$$$$$ T$$$$$$$$P :$$$$$$$b.      $$$$$$$b    d$$$$$$$ $$$$$$$$$$$$$$$$$$$$$$$$$
T$$$$$$$P T$$$$$$P             "^$$$$$$$$$$b+ `^T$$$$$bssd$$$$$P^' $$$$$$$$$$$$$$$$$$$$$$$$$
 T$$$$P    T$$$$P                 `^$$$$$$$P^    `*^T$$$$$$P^*'    `T$$$$P*" T$$$P*" T$$$$P'