Hi 
I`ve got an expierence with theese guys https://www.msflights.net/forum/forum/general-forums/general-discussion/5640-coding-puzzle
https://forums.offroadtb.com/viewtopic.php?f=10&t=4009&p=70166
https://forum.appery.io/memberlist.php?mode=viewprofile&u=16620
 that were mentioned before. 
And I watned to translate thanks!