плохо гуглилиhttps://lotofsense.com/ru/films/smysl-filma-treugolnik-pechali-i-obyasnenie-kontsovki/#:~:text=%D0%9E%D0%B1%D1%8A%D1%8F%D1%81%D0%BD%D0%B5%D0%BD%D0%B8%D0%B5%20%D0%BA%D0%BE%D0%BD%D1%86%D0%BE%D0%B2%D0%BA%D0%B8%20%D1%84%D0%B8%D0%BB%D1%8C%D0%BC%D0%B0,%D0%97%D0%B0%D0%B1%D0%B0%D0%B2%D0%BD%D1%8B%D0%B9%20%D0%BF%D0%BE%D1%81%D1%8B%D0%BB%20%D1%81%D0%BC%D0%B5%D0%BD%D1%8F%D0%B5%D1%82%D1%81%D1%8F%20%D1%82%D1%80%D0%B5%D0%B2%D0%BE%D0%B3%D0%BE%D0%B9.