Don't have Telegram yet? Try it now!
https://olimex.wordpress.com/2016/06/10/friday-free-board-quiz-prize-is-a20-olinuxino-lime-question-how-many-copper-layers-you-can-have-in-pcb-design-with-kicad/
Friday Free Board Quiz prize is A20-OLinuXino-LIME, Question: How many copper layers you can have in PCB design with KiCAD?