Nataliya Kolisnichenko(nice), Oleg Sheremet(nice), Vitalii Kazannyk(nice), Andrey Mis\'kov(nice), Sergo Travelian(nice), Vsevolod Olenich(nice), Vladimir Popenko(nice), Family Kuzhel(nice), Kirill Konopitsyn(nice), Natalia Honcharyk(nice), A. Zhuravel(nice), Irina Ortik(nice), Oleksandr Kovalchuk(nice), Vasil Bodnar(nice), Yakov Stepanov(nice), Egor Loboda(nice)