Oleg Sheremet(important), Oleg Sheremet(interesting), Kostiantyn Pylypiuk(interesting), Roman Yaremchuk(nice), Roman Yaremchuk(important), Roman Yaremchuk(interesting), Nataliya Kolisnichenko(nice), Nataliya Kolisnichenko(important), Nataliya Kolisnichenko(interesting), Dmytro Petrychenko(interesting), Andrey Mis\'kov(interesting), Olga Malygina(interesting), Olga Malygina(important), Olga Malygina(nice), Nikola Zmievskiy(nice), Nikola Zmievskiy(important), Nikola Zmievskiy(interesting), Vsevolod Olenich(important), Vasil Bodnar(important)