Igor Dvurekov(nice), Alexandr Balaev(interesting), M. Kurilin(nice), Dmitry Erokhin(interesting), Sergey Simonov(interesting), Dmitriy Shevtsov(nice), Vadim Sinukhin(nice), Michael Nevski(nice), Michael Nevski(interesting), Vitaliy Butko(nice), Vitaliy Butko(interesting)