Andrey Mis\'kov(nice), Oleg Sheremet(nice), Dmytro Petrychenko(nice), Alexender Zabolotnyy(nice), Vitalii Kazannyk(nice), Natalia Honcharyk(nice), Natalia Honcharyk(interesting), Vsevolod Olenich(nice), A. Zhuravel(nice), Nikola Zmievskiy(nice), Family Kuzhel(nice), Kirill Konopitsyn(nice), Yakov Stepanov(nice), Yakov Stepanov(interesting), Oleksandr Kovalchuk(nice), Irina Ortik(nice), Vasil Bodnar(nice)