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