Igor Dvurekov(nice), Igor Dvurekov(interesting), Michael Nevski(nice), Kirill Klikin(nice), Kirill Klikin(interesting), Dmitry Erokhin(nice), Anna Golubeva(nice), Sergey Simonov(nice), Sergey Simonov(interesting), Dmitriy Shevtsov(nice), Oleg Borodin(interesting)