.o   ooooo   ooooo  ooooo   ooooo        .o    oooooooooo.    oooooooooo.   
 o888   `888'   `888'  `888'   `888'      .d88    `888'   `Y8b   `888'   `Y8b  
  888    888     888    888     888     .d'888     888      888   888      888 
  888    888ooooo888    888ooooo888   .d'  888     888      888   888      888 
  888    888     888    888     888   88ooo888oo   888      888   888      888 
  888    888     888    888     888        888     888     d88'   888     d88' 
 o888o  o888o   o888o  o888o   o888o      o888o   o888bood8P'    o888bood8P'