useragent	os	browser
Mozilla/5.0 (X11; Linux i686; rv:157.0) Gecko/20100101 Firefox/157.0	GNU/Linux	Firefox 157.0
Mozilla/5.0 (X11; Linux x86_64; rv:157.0) Gecko/20100101 Firefox/157.0	GNU/Linux	Firefox 157.0
Mozilla/5.0 (X11; Linux i686; rv:153.0) Gecko/20100101 Firefox/153.0	GNU/Linux	Firefox 153.0
Mozilla/5.0 (Linux x86_64; rv:153.0) Gecko/20100101 Firefox/153.0	GNU/Linux	Firefox 153.0