====== Примеры, упражнения. ======

  * [[https://www.lucidchart.com/community/examples/view/4eae21c3-90d0-4e94-9b8c-74e20a581ece]]
  * [[https://www.lucidchart.com/community/examples/view/4eb76703-0afc-4f2b-aaf9-40160a7aa298]]

14.11.2011
  * [[https://www.lucidchart.com/community/examples/view/4ec022b7-e264-4f66-a83b-039d0a7aa298]]
  * [[http://ideone.com/2koaL]]