; @ ]0 f5 D$ S& K- W; L9 mHow to simulate a queue like a jam? 5 d; O# e4 r+ t& Q 0 U2 b( v/ x' l% IAs can be seen from the picture, I want to simulate a queue like a jam which is idealized as in the lower red circle instead of the upper red circle which shows a queue like one overlap one? Can extendsim can provide this animation? Or how can I do to simulate this phenomenon?