db. T H E  dP                           
      d$$$s.     dP                               
     dP$$$$$s.  dP                                
    dP `T$$$$$$dP       .d$$b.  .d$$b.   .d$$b. .s$s.
   dP    `T$$$$P d$$$P dP'  `$ dP'  T$  dP'  `TP' `T$
  dP       `T$P d$$$P dP      dP    dP dP    dP    dP 
 dP         dP       :$   .$  $b. .dP dP    dP    dP 
dP         dP  [bug] `T$$P'   `T$$P' dP    dP    dP