Два разных замощения плоскости (спиралевидное и кольцеобразное) копиями многоугольника, изображенного сверху, из книги Грюнбаума и Шепарда "Замощения и орнаменты"
Два разных замощения плоскости (спиралевидное и кольцеобразное) копиями многоугольника, изображенного сверху, из книги Грюнбаума и Шепарда "Замощения и орнаменты"
Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov. He said that since his platform does not have the capacity to check all channels, it may restrict some in Russia and Ukraine "for the duration of the conflict," but then reversed course hours later after many users complained that Telegram was an important source of information. Andrey, a Russian entrepreneur living in Brazil who, fearing retaliation, asked that NPR not use his last name, said Telegram has become one of the few places Russians can access independent news about the war. "And that set off kind of a battle royale for control of the platform that Durov eventually lost," said Nathalie Maréchal of the Washington advocacy group Ranking Digital Rights. These administrators had built substantial positions in these scrips prior to the circulation of recommendations and offloaded their positions subsequent to rise in price of these scrips, making significant profits at the expense of unsuspecting investors, Sebi noted.
from tw