;; Prouhet~Thue~Morse binary sequence generator
;; written by Keymaker


  ++++++++++>>>+[[+++++[<++++++++>-]<.>++++++
  [<-------->-]+>>]<<[<<]<.>>>[->>[>>]+<<[<[>
  >+<<-]<]>+<<[->>-<+<]>[-<+>]+>>>>]<<[<<]>>]