December 20, 2011. Russia's President Dmitri Medvedev, center, posing for a group photograph during the informal CIS summit held in Kremlin. From left: Azerbaijan President Ilkham Aliyev, Armenian President Serzh Sargsyan, Belarusian President Alexander Lukashenko, Kyrgyz President Almazbek Atambayev; from right: executive committee's chairman - CIS Executive Secretary Sergei Lebedev, acting President of Moldova, Parliament Chairman Marian Lupa, Ukraine's President Viktor Yanukovich, Uzbekistan President Islam Karimov and Tajik President Emomalii Rakhmon.