Kirill Klikin(interesting), Kirill Klikin(important), Dmitriy Shevtsov(interesting), Dmitriy Shevtsov(nice), Dmitry Erokhin(nice), Alexey Sizov(nice), Alexey Sizov(interesting), Sergey Simonov(nice), Sergey Simonov(interesting), Igor Dvurekov(interesting), Andrey Semenov(interesting), yori komarov(interesting)