Nataliya Kolisnichenko(nice), Oleg Sheremet(nice), Vitalii Kazannyk(nice), Andrey Mis\'kov(nice), Sergo Travelian(nice), Vsevolod Olenich(nice), Family Kuzhel(nice), Kirill Konopitsyn(nice), Natalia Honcharyk(nice), Natalia Honcharyk(interesting), Oleksandr Kovalchuk(nice), Vasil Bodnar(interesting), Yakov Stepanov(nice)