Nataliya Kolisnichenko(nice), Oleg Sheremet(nice), Andrey Mis\'kov(nice), Dmytro Petrychenko(nice), Dmytro Petrychenko(interesting), Viktor Sevidov(nice), Alexender Zabolotnyy(nice), Andrew Simon(nice), Sergo Travelian(nice), Vladimir Popenko(nice), Family Kuzhel(nice), Vasil Bodnar(nice)