When attempting to use an item, the game does not check if you are carrying it with you. Therefore most of the walking around can be skipped. This is the shortest part to completion: S,S,S,S,O,O,N,O,S,O,O,S,W,S ZERHACKE MACHETE (hack machete) BENUTZE SCHNEIDBRENNER (use blowtorch) W J 24735 BENUTZE SAFESCHLUESSEL (use safe key) OEFFNEN (open) You win!