Nataliya Kolisnichenko(nice), Andrey Mis\'kov(nice), Oleg Sheremet(nice), Natalia Honcharyk(nice), Nikola Zmievskiy(nice), Kostiantyn Pylypiuk(nice), Vitaliy Mosienko(nice), Vsevolod Olenich(nice), A. Zhuravel(nice), Roman Yaremchuk(nice), Family Kuzhel(nice), Sergo Travelian(nice), Kirill Konopitsyn(nice), Inna Kyselova(nice), Yakov Stepanov(nice), Yakov Stepanov(interesting), Irina Ortik(nice)