Andrey Mis\'kov(nice), Oleg Sheremet(nice), ALENA FOMINA(nice), Dmytro Petrychenko(nice), Vsevolod Olenich(nice), Kirill Konopitsyn(nice), Sergo Travelian(nice), Nataliya Kolisnichenko(nice), Natalia Honcharyk(nice), Nikola Zmievskiy(nice), Family Kuzhel(nice), Family Kuzhel(interesting), Roman Yaremchuk(nice), Roman Yaremchuk(interesting), Irina Ortik(nice), A. Zhuravel(nice), Vasil Bodnar(nice), Yakov Stepanov(nice), Yakov Stepanov(important), Yakov Stepanov(interesting)