[{"data":1,"prerenderedAt":166},["ShallowReactive",2],{"project-46106263":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":29,"sentiment":30,"stance_mix":31,"scored_comments":33,"aspects":34,"strip":37,"post_text":30,"what":39,"said":53,"maker_in_thread":104,"shape":111,"grid":113,"attempts":123,"same_week":131,"maker_shows":158,"maker_hidden":159,"reader_version":160,"card":161},"46106263","insights","A constraint puzzle where you factor semiprimes in any radix","title","Show HN: A constraint puzzle where you factor semiprimes in any radix","https:\u002F\u002Fdo-say-go.github.io\u002Finsights\u002F","do-say-go.github.io","keepamovin",1764589749,2025,1,5,3767,3837,99,"shown","games","puzzle game","web_app",[24,25,26,27,28],"semiprime factorization","constraint puzzle","multiplication tableau","radix","integer factorization","quiet",null,{"positive":32,"neutral":14,"mixed":14,"critical":32},0,2,{"docs":35,"design":36},{"positive":32,"critical":32},{"positive":32,"critical":32},[32,38,32,38,32],3,{"problem":40,"audience":30,"pricing":30,"motivation":47,"time_to_build":30,"stack":51,"openness":52,"stage":52,"team_size":52},{"value":41,"source":42,"evidence":43},"Gives a feel for factoring integers via a visual constraint puzzle based on lattice multiplication","maker",[44],{"id":45,"by":11,"text":46},"46106309","I've had this idea since 2009: converting the integer factorization problem into a visual geometric constraint puzzle (based on Lattice\u002FGelosia multiplication). The idea is to…",{"value":48,"source":42,"evidence":49},"Idea held since 2009 to explore domain-specific constraint methods that SAT solvers miss; made as something fun to play with",[50],{"id":45,"by":11,"text":46},[],"unknown",{"praise":54,"objections":63,"requests":78,"questions":98,"alternatives":103},[55],{"value":56,"source":57,"evidence":58},"Explanation helped commenter understand the puzzle","commenter",[59],{"id":60,"by":61,"text":62},"46110093","gus_massa","It helps a lot. You should add a question mark that shows some explanation, and perhaps an example. Some random ideas: Here in Argentina we put the intermediate numbers in…",[64,68,74],{"value":65,"source":57,"evidence":66},"Auto-propagation is too strong and ruins the fun",[67],{"id":60,"by":61,"text":62},{"value":69,"source":57,"evidence":70},"Unclear how to play without explanation",[71],{"id":72,"by":61,"text":73},"46108682","Sorry, but no idea what I should do. Even after pressing \"Reveal all\". Are there a few 3 digits number hidden somewhere? Anyway, \"Auto-Prop\" should be closer to the checkbox.",{"value":75,"source":57,"evidence":76},"Slots with zero options show a confusing value instead of 0",[77],{"id":60,"by":61,"text":62},[79,84,88,92],{"value":80,"source":57,"evidence":81},"Add an explanation or help button with an example",[82,83],{"id":60,"by":61,"text":62},{"id":72,"by":61,"text":73},{"value":85,"source":57,"evidence":86},"Make changing a selected digit possible in one step",[87],{"id":60,"by":61,"text":62},{"value":89,"source":57,"evidence":90},"Color correct and wrong result digits green and red",[91],{"id":60,"by":61,"text":62},{"value":93,"source":42,"evidence":94},"Default auto-propagation to off",[95],{"id":96,"by":11,"text":97},"46110194","Thank you, gus. These are good ideas! I will try a default to auto-prop off. For the rest I will think more and consider ways to bring them. Appreciated! :)",[99],{"value":100,"source":57,"evidence":101},"Where are the hidden digits and what should the player do",[102],{"id":72,"by":61,"text":73},[],{"comments":38,"answered":14,"key":105},[106,107,110],{"id":45,"text":46},{"id":108,"text":109},"46108967","Right...good point! Okay so the two arches at the top are the factors' digits. The horizontal bar down the bottom is the product (semiprime) digits. And the diamond is the…",{"id":96,"text":97},{"commenters":33,"max_depth":15,"maker_replies":38,"first_comment_mins":112,"lifespan_hours":112},6,[114,116,118,119,121],[45,32,32,115,11,14],"project\u002Fpositive\u002Fidea",[72,32,38,117,61,32],"project\u002Fneutral\u002Fdocs",[108,32,32,117,11,14],[60,32,38,120,61,32],"project\u002Fmixed\u002Fdesign",[96,32,32,122,11,14],"maker\u002Fpositive\u002Fnone",[124,125,128],{"id":4,"t":12,"points":14,"comments":15},{"id":126,"t":127,"points":14,"comments":14},"46812615",1769705006,{"id":129,"t":130,"points":14,"comments":14},"46986782",1770889694,[132,136,141,146,151,155],{"id":133,"name":134,"points":135,"category":20},"46093473","Boing",782,{"id":137,"name":138,"points":139,"category":140},"46075882","banrays",509,"security_privacy",{"id":142,"name":143,"points":144,"category":145},"46139761","finfam",393,"finance_crypto",{"id":147,"name":148,"points":149,"category":150},"46135067","Fresh",187,"dev_tools",{"id":152,"name":153,"points":154,"category":150},"46090619","Nano PDF",176,{"id":156,"name":157,"points":154,"category":145},"46130260","HCB Mobile",31,false,"v2",{"id":162,"name":5,"line":6,"ai":159,"cat":20,"year":13,"points":14,"comments":15,"rec":29,"s":30,"top":18,"kw":163,"maker":11,"domain":10,"tier":19,"attempts":38,"strip":164,"url":9,"mix":165,"praise":56,"objection":65,"sub":21},46106263,[24,25,26,27,28],"03030",[32,14,14,32],1794036686661]