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