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Message: <blockquote data-quote="Bagpuss" data-source="post: 4618944" data-attributes="member: 3987">Right but if I want to go directly to the loo from my office I go out of the door, turn right, then left and left again, down a flight of stairs and the left and right and finally left.That is the most direct route, and it goes round a number of corners and down a whole flight of stairs.I can give you several indirect routes as well.Direct route does not automatically mean a straight line, it means the shortest available route. Which in open terrain is a straight line, but in a maze could mean all sorts of twists and turns.</blockquote>