kraken https://git.hxps.ru/verlenebutler5/murray2002/wiki/%D0%BA%D1%80%D0%B0%D0%BA%D0%B5%D0%BD-%D0%BC%D0%B0%D1%80%D0%BA%D0%B5%D1%82%3A-%D0%B4%D0%BB%D1%8F-%D1%82%D0%B5%D1%85%2C-%D0%BA%D1%82%D0%BE-%D1%83%D1%81%D1%82%D0%B0%D0%BB-%D0%BE%D1%82-%C2%AB%D1%83-%D0%BD%D0%B0%D1%81-%D0%BA%D0%B0%D0%BA-%D1%83-%D0%B2%D1%81%D0%B5%D1%85%C2%BB
