Hello. 
I`ve got an expierence with theese guys http://trigonometric-paperz.mdkblog.com/14006134/??-??-??-??
https://writeessaytreatises.verybigblog.com/12089790/2021???-???????
http://algorithmicappraisale.bloguetechno.com/--44157428
  that were mentioned before. 
And I watned to translate thanks!