.d8888.  .o88b.  .d88b.  db    db d8888b.  d888b  d88888b 
88'  YP d8P  Y8 .8P  Y8. 88    88 88  `8D 88' Y8b 88'     
`8bo.   8P      88    88 88    88 88oobY' 88      88ooooo 
  `Y8b. 8b      88    88 88    88 88`8b   88  ooo 88~~~~~ 
db   8D Y8b  d8 `8b  d8' 88b  d88 88 `88. 88. ~8~ 88.     
`8888Y'  `Y88P'  `Y88P'  ~Y8888P' 88   YD  Y888P  Y88888P 


version 4.0