edacol

Elias David Acosta Castro

Colombia, Armenia

frankooo

Stanimir Stefanov

Bulgaria, Sevlievo

Syed

Syed Muhammad Sohaib

Pakistan, Karachi

romakoksa

Roman Kokosadze

Georgia, Kutaisi

MathQuant

United Kingdom

alias1980

Anneta Klueva

Ukraine, Черновцы