<p>The obstacle settings are the coordinate positions of the obstacle(s) in the room. No. and R represent the number and radius of the obstacles, respectively. The two numbers in each parenthesis represent the position of one obstacle, thus in the cases of 1, 2 and 3 obstacles, there are 1, 2 and 3 parentheses, respectively.</p><p>GA-Optimized obstacle settings for 80 participants.</p