{"id":4611,"date":"2025-10-18T10:04:59","date_gmt":"2025-10-18T14:04:59","guid":{"rendered":"https:\/\/josmfs.net\/?p=4611"},"modified":"2025-10-18T10:04:59","modified_gmt":"2025-10-18T14:04:59","slug":"two-codebreaking-puzzles","status":"publish","type":"post","link":"https:\/\/josmfs.net\/wordpress\/2025\/10\/18\/two-codebreaking-puzzles\/","title":{"rendered":"Two Codebreaking Puzzles"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4607 aligncenter\" src=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/10\/Two-Codebreaking-Puzzles-Fig2-1024x491.jpg\" alt=\"\" width=\"550\" height=\"264\" srcset=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/10\/Two-Codebreaking-Puzzles-Fig2-1024x491.jpg 1024w, https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/10\/Two-Codebreaking-Puzzles-Fig2-300x144.jpg 300w, https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/10\/Two-Codebreaking-Puzzles-Fig2-768x368.jpg 768w, https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/10\/Two-Codebreaking-Puzzles-Fig2-624x299.jpg 624w, https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/10\/Two-Codebreaking-Puzzles-Fig2.jpg 1200w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/p>\n<p>These code-breaking puzzles are from MathsJam Shout for <a href=\"https:\/\/mathsjam.com\/shout\/MJShout.pdf\">October 2025<\/a>.\u00a0 The second one is reminiscent of the mesmerizing 1970s game <a href=\"https:\/\/en.wikipedia.org\/wiki\/Mastermind_(board_game)\">Mastermind<\/a>, which consumed many hours of my time.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/10\/Two-Codebreaking-Puzzles-Answer-1.jpg\">Answer #1<\/a><span style=\"color: #ffffff;\">\u00ad\u00ad\u00ad___<\/span><a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/10\/Two-Codebreaking-Puzzles-Answer-2.jpg\">Answer #2<\/a><\/p>\n<p>See <a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/10\/Two-Codebreaking-Puzzles-251012.pdf\">Two Codebreaking Puzzles<\/a> for solutions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>These code-breaking puzzles are from MathsJam Shout for October 2025.\u00a0 The second one is reminiscent of the mesmerizing 1970s game Mastermind, which consumed many hours of my time. Answer #1\u00ad\u00ad\u00ad___Answer #2 See Two Codebreaking Puzzles for solutions.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[235,174,240],"class_list":["post-4611","post","type-post","status-publish","format-standard","hentry","category-puzzles-and-problems","tag-codes-and-ciphers","tag-logic","tag-mathsjam"],"_links":{"self":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4611","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/comments?post=4611"}],"version-history":[{"count":2,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4611\/revisions"}],"predecessor-version":[{"id":4613,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4611\/revisions\/4613"}],"wp:attachment":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/media?parent=4611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/categories?post=4611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/tags?post=4611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}