Sergo Travelian(nice), Olga Gajduk(nice), Oleg Sheremet(nice), Nikola Zmievskiy(nice), Kostiantyn Pylypiuk(nice), Andrey Bazdyrev(nice), Roman Yaremchuk(nice), Konstantin Andrussenko(nice), Petro Kondrat(nice), Andrey Mis\'kov(nice), Nataliya Kolisnichenko(nice), Dmytro Petrychenko(nice), Olga Malygina(nice), Vasil Bodnar(nice), Ludmila Dolner(nice), Oleksandr Kovalchuk(nice), Mykola Yevdokymov(nice), Mykola Yevdokymov(interesting)