Alchevsk

18 years, g. Kamensk-Ural′skiy (Sverdlovskaya oblast′)

23 years, g. Leninsk-Kuznetskiy (Kemerovskaya oblast′)

Saratov

28 years, Chelyabinsk

28 years, Moscow

38 years, s. Krasnyy Chikoy (Krasnochikoyskiy rayon)

26 years, g. Zima (Irkutskaya oblast′)

16 years, Komsomolsk-on-Amur

28 years, Novy Urengoy