flowchart LR
  Start[Start]
  Stop[Stop]
  Start --> Percent([<tt>%</tt>])
  Percent --> Bit([<tt>0</tt> / <tt>1</tt>])
  Bit --> NextBit([<tt>0</tt> / <tt>1</tt> / <tt>_</tt>])
  Bit --> Stop
  NextBit --> NextBit
  NextBit --> Stop