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Currently Playing: Xah Ep744 Wolfram Language, Advent of Code 2025, Day 7, part 2

Notes at http://xahlee.info/talk_show/xah_talk_show_ep744.html If browser says security error, that is because it auto changes URL from HTTP to HTTPS. It's a way to censor 22 million old websites. Remove the S in HTTPS. Or use brave browser or safari.