{"format":"murdoku-puzzle/1","id":"roommate","version":1,"difficulty":"hard","level":8,"size":{"rows":10,"cols":10},"languages":["en","hu","de","fr","es","it","nl","pl","pt","ro","ca","cs","fi","vi","tr","el","ru","uk","ar","ko","ja","zh-Hans","zh-Hant"],"defaultLanguage":"en","title":"部屋にいたもう一人","tagline":"海辺のペンション · 雨の夜 · 一つの質問への九つの答え","author":"mathace","concept":"Murdoku – Manuel Garand (murdoku.com); unofficial fan-made case","created":"2026-10-12","story":"夜通し雨がカモメ荘を叩き、誰も外に出なかった。十時少し前、出張セールスマンのVartanが読書室のアームチェアで遺体で見つかった。町から来た警部は全員に一つだけ質問した：あなたと一緒にその部屋にいたのは誰で、何をしていましたか？ 全員が本当のことを言った――犯人もだ。その唯一の同席者は被害者だった。","rules":{"standard":["どの<b>行</b>にもどの<b>列</b>にも、ちょうど<b>一人</b>がいる。誰かを置いたら、その行と列を丸ごと消そう。","<b>「隣」</b> = 真左・真右・真上・真下で、かつ<b>同じエリアの中</b>。物のあるマス（かまど、流し台、カウンター、テーブル、大型の置き時計、キャビネット、本棚、ランプ、机、鉢植え、噴水、彫像、階段、コート掛け、鏡、樽、暖炉、ピアノ、蓄音機、カードテーブル、ビリヤード台、絵画）にはいられない。アームチェア、椅子、スツール、ソファ、ベンチ、ブランコ、玄関マットにはいられる。エリアの<b>角</b>とは、そのエリアのマスのうち、横の辺と縦の辺の両方が外側（別のエリアや盤の端）に接しているマスのことだ。","犯人は<b>被害者と二人きり</b>だった：そのエリアには他に誰もいなかった。"],"special":["<b>どの供述も、話した本人と同じエリアにいた別の人物についてのものだ。</b>"],"notes":[],"example":{}},"roleNames":{"staff":"スタッフ","guest":"客","victim":"被害者"},"personGroups":[{"id":"staff","name":"スタッフ","persons":["A","B","C"]},{"id":"guests","name":"客たち","persons":["D","E","F","G","H","I","V"]}],"map":{"groups":[],"gaps":[],"areas":[{"id":"Kitchen","labelAt":[2,2],"cells":[[1,1],[1,2],[1,3],[2,1],[2,2],[2,3],[3,1],[3,2],[4,2]],"fill":"#e8e4d6","pattern":"tiles","name":"台所"},{"id":"Dining Room","labelAt":[4,4],"cells":[[1,4],[1,5],[1,6],[1,7],[2,4],[2,5],[2,6],[3,3],[3,4],[3,5],[4,3],[4,4]],"fill":"#e6dcc0","pattern":"boards","name":"食堂"},{"id":"Reading 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y1=\"35\" x2=\"41\" y2=\"35\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/></svg>","solverRole":"staff","constraints":[{"type":"with_beside","obj":"fireplace","role":"guest"},{"type":"with_count","n":3}]},{"id":"B","name":"Ben","gender":"M","role":"staff","color":"#2e7d32","avatar":{"bg":"#3a4a3a","skin":"#e9c6a4","hair":"#4a3a2a","style":"short","shirt":"#2e4a2e","mustache":true,"mustacheColor":"#4a3a2a"},"clue":"彼のエリアには<b>もう一人の男性</b>がいた。","job":"ポーター","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Ben\"><rect width=\"80\" height=\"80\" fill=\"#3a4a3a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#2e4a2e\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e9c6a4\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e9c6a4\"/><path d=\"M26 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#4a3a2a\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><path d=\"M33 41 Q40 37 47 41 Q40 43 33 41 Z\" fill=\"#4a3a2a\"/></svg>","solverRole":"staff","constraints":[{"type":"with_gender","gender":"M"}]},{"id":"C","name":"Caroline","gender":"F","role":"staff","color":"#1565c0","avatar":{"bg":"#6a5a3a","skin":"#f6d8c0","hair":"#b5703a","style":"bun","shirt":"#4a4a4a","apron":true,"headband":"#ffffff"},"clue":"彼女のエリアにいたもう一人の<b>スタッフ</b>が<b>蓄音機</b>の隣にいた。彼女のエリアにいた人のうち、<b>ちょうど一人が男性</b>だった。","job":"料理人","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Caroline\"><rect width=\"80\" height=\"80\" fill=\"#6a5a3a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#4a4a4a\"/><path d=\"M28 80 L30 62 Q40 58 50 62 L52 80 Z\" fill=\"#f4efe6\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f6d8c0\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f6d8c0\"/><circle cx=\"40\" cy=\"15\" r=\"7\" fill=\"#b5703a\"/><path d=\"M26 32 Q26 16 40 16 Q54 16 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#b5703a\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><rect x=\"26\" y=\"23\" width=\"28\" height=\"5\" rx=\"2\" fill=\"#ffffff\"/></svg>","solverRole":"staff","constraints":[{"type":"with_beside","obj":"gramophone","role":"staff"},{"type":"with_gender_count","gender":"M","n":1}]},{"id":"D","name":"Daniel","gender":"M","role":"guest","color":"#6a1b9a","avatar":{"bg":"#2f3f5f","skin":"#e7b98f","hair":"#e8e4dc","style":"short","shirt":"#1f2f4f","beard":true},"clue":"彼のエリアには<b>もう一人の客</b>がいた。","job":"引退した船長","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Daniel\"><rect width=\"80\" height=\"80\" fill=\"#2f3f5f\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#1f2f4f\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e7b98f\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e7b98f\"/><path d=\"M26 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#e8e4dc\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><path d=\"M27 38 Q30 52 40 53 Q50 52 53 38 Q50 47 40 48 Q30 47 27 38 Z\" fill=\"#e8e4dc\"/></svg>","solverRole":"guest","constraints":[{"type":"with_role","role":"guest"}]},{"id":"E","name":"Eileen","gender":"F","role":"guest","color":"#e65100","avatar":{"bg":"#5a5a6a","skin":"#f3d3b5","hair":"#3a2a1a","style":"bob","shirt":"#4a3a5a","glasses":true,"scarf":"#c62828"},"clue":"彼女のエリアには<b>もう一人の客</b>がいた。","job":"推理作家","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Eileen\"><rect width=\"80\" height=\"80\" fill=\"#5a5a6a\"/><path d=\"M22 40 Q22 14 40 14 Q58 14 58 40 L58 58 L22 58 Z\" fill=\"#3a2a1a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#4a3a5a\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f3d3b5\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f3d3b5\"/><path d=\"M26 36 Q26 16 40 16 Q54 16 54 36 Q52 24 40 24 Q28 24 26 36 Z\" fill=\"#3a2a1a\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><circle cx=\"34\" cy=\"35\" r=\"5\" fill=\"none\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><circle cx=\"46\" cy=\"35\" r=\"5\" fill=\"none\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><line x1=\"39\" y1=\"35\" x2=\"41\" y2=\"35\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><path d=\"M30 58 Q40 70 50 58 L48 66 Q40 76 32 66 Z\" fill=\"#c62828\"/></svg>","solverRole":"guest","constraints":[{"type":"with_role","role":"guest"}]},{"id":"F","name":"Frederick","gender":"M","role":"guest","color":"#00838f","avatar":{"bg":"#4a6a6a","skin":"#efc7a3","hair":"#8a5a2a","style":"slick","shirt":"#3a5a8a","beard":true},"clue":"彼のエリアにいた他の誰かが<b>暖炉</b>の隣にいた。<b>ちょうど一人</b>が<b>ソファ</b>に座っていた――<b>彼ではなく</b>、彼のエリアにいた誰かだ。","job":"風景画家","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Frederick\"><rect width=\"80\" height=\"80\" fill=\"#4a6a6a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#3a5a8a\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#efc7a3\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#efc7a3\"/><path d=\"M26 30 Q27 16 44 15 Q56 15 55 26 Q48 22 40 23 Q30 24 26 30 Z\" fill=\"#8a5a2a\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><path d=\"M27 38 Q30 52 40 53 Q50 52 53 38 Q50 47 40 48 Q30 47 27 38 Z\" fill=\"#8a5a2a\"/></svg>","solverRole":"guest","constraints":[{"type":"with_beside","obj":"fireplace"},{"type":"with_only_on","obj":"sofa"}]},{"id":"G","name":"Ginny","gender":"F","role":"guest","color":"#ad1457","avatar":{"bg":"#7a6a8a","skin":"#f6d8c0","hair":"#c8a050","style":"ponytail","shirt":"#c56a8a"},"clue":"彼女は<b>Henryと二人きり</b>で、彼は<b>玄関マット</b>の上にいた。","job":"休暇中の教師","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Ginny\"><rect width=\"80\" height=\"80\" fill=\"#7a6a8a\"/><path d=\"M50 30 Q64 34 60 62 L54 62 Q56 40 48 36 Z\" fill=\"#c8a050\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#c56a8a\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f6d8c0\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f6d8c0\"/><path d=\"M26 33 Q26 16 40 16 Q54 16 54 33 Q50 24 40 24 Q30 24 26 33 Z\" fill=\"#c8a050\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/></svg>","solverRole":"guest","constraints":[{"type":"alone_with_on","obj":"doormat"},{"type":"alone_with","q":"H"}]},{"id":"H","name":"Henry","gender":"M","role":"guest","color":"#5d4037","avatar":{"bg":"#5a5a3a","skin":"#e4b998","hair":"#5a3a22","style":"short","shirt":"#5a6a3a","glasses":true},"clue":"彼のエリアにいた<b>女性</b>が、そのエリアの<b>角</b>にいた。","job":"バードウォッチャー","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Henry\"><rect width=\"80\" height=\"80\" fill=\"#5a5a3a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#5a6a3a\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e4b998\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e4b998\"/><path d=\"M26 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#5a3a22\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><circle cx=\"34\" cy=\"35\" r=\"5\" fill=\"none\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><circle cx=\"46\" cy=\"35\" r=\"5\" fill=\"none\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><line x1=\"39\" y1=\"35\" x2=\"41\" y2=\"35\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/></svg>","solverRole":"guest","constraints":[{"type":"with_corner","gender":"F"}]},{"id":"I","name":"Inessa","gender":"F","role":"guest","color":"#558b2f","avatar":{"bg":"#3a3a4a","skin":"#f1c8a5","hair":"#1c1a1a","style":"long","shirt":"#1b1b1b","earrings":true},"clue":"彼女のエリアにいた<b>男性</b>が<b>キャビネット</b>の隣にいた。","job":"バイオリニスト","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Inessa\"><rect width=\"80\" height=\"80\" fill=\"#3a3a4a\"/><path d=\"M22 42 Q20 14 40 14 Q60 14 58 42 L62 72 L18 72 Z\" fill=\"#1c1a1a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#1b1b1b\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f1c8a5\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f1c8a5\"/><path d=\"M26 36 Q26 16 40 16 Q54 16 54 36 Q52 24 40 24 Q28 24 26 36 Z\" fill=\"#1c1a1a\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><circle cx=\"26\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/><circle cx=\"54\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/></svg>","solverRole":"guest","constraints":[{"type":"with_beside","obj":"cabinet","gender":"M"}]},{"id":"V","name":"Vartan","gender":"M","role":"victim","color":"#1b1b1b","avatar":{"bg":"#2a2a3a","skin":"#e7b98f","hair":"#3a2a1a","style":"bald","shirt":"#3a3a3a","mustache":true,"mustacheColor":"#2a1a10"},"clue":"<b>被害者。</b>彼は<b>読書室</b>で<b>アームチェア</b>に座った状態で発見された――犯人と二人きりで。","job":"セールスマン","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Vartan\"><rect width=\"80\" height=\"80\" fill=\"#2a2a3a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#3a3a3a\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e7b98f\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e7b98f\"/><path d=\"M26 30 Q26 22 30 20 L30 34 Q26 34 26 30 Z\" fill=\"#3a2a1a\"/><path d=\"M54 30 Q54 22 50 20 L50 34 Q54 34 54 30 Z\" fill=\"#3a2a1a\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><path d=\"M33 41 Q40 37 47 41 Q40 43 33 41 Z\" fill=\"#2a1a10\"/><path d=\"M12 12 L68 68 M68 12 L12 68\" stroke=\"#e0362e\" stroke-width=\"5\" stroke-linecap=\"round\" opacity=\".9\"/></svg>","solverRole":"guest","constraints":[{"type":"area","areas":["Reading Room"]},{"type":"on","obj":"armchair"}]}],"victim":"V","murderer":"B","solution":{"A":[9,10],"B":[4,7],"C":[6,5],"D":[3,3],"E":[5,6],"F":[7,8],"G":[8,2],"H":[10,1],"I":[1,4],"V":[2,9]},"walkthrough":[{"place":["V","H"],"cand":{"G":[[4,5],[4,6],[5,3],[5,5],[7,3],[8,2]]},"text":"どの供述も、話した本人と同じエリアにいた別の人物についてのもので、全員が一つずつ供述した――だから<b>誰も一人ではなかった</b>。Vartanは読書室のただ一つのアームチェアに座っていた：<b>VartanはR2C9にいる</b>。そして彼と一緒にいたのは犯人だけだ。GinnyはHenryと二人きりで、Henryは玄関マットの上にいた。玄関マットは一つだけで、R10C1にある：<b>HenryはR10C1にいる</b>。階段ホールにはちょうどGinnyとHenryがいる。Henryのエリアにいた女性はそのエリアの角にいた――それはGinnyだ。10行目と1列目を除く階段ホールの角は、R4C5、R4C6、R5C3、R5C5、R7C3、R8C2だ。"},{"cand":{"G":[[4,5],[4,6],[5,3],[5,5],[7,3],[8,2]],"I":[[1,4],[1,5],[1,6],[3,3],[3,4],[3,5],[4,4]]},"text":"次は物だ。AlisonとFrederickはどちらも、自分のエリアにいた他の誰かが暖炉の隣にいたと述べた。暖炉R5C7はラウンジにあり、その隣のマスはR5C6とR6C7だ――したがって<b>AlisonとFrederickはラウンジにいる</b>。Carolineは、自分のエリアにいたもう一人のスタッフが蓄音機R8C10の隣にいたと述べた。その隣のマスはR8C9とR9C10で、9列目はVartanのものだから、<b>R9C10にはスタッフがいる</b>――AlisonかBenだ――そして<b>Carolineもラウンジにいる</b>。Inessaは、自分のエリアにいた男性がキャビネットR4C3の隣にいたと述べた。つまりR3C3かR4C4だ：<b>Inessaは食堂にいる</b>。"},{"place":["A"],"cand":{"G":[[4,5],[4,6],[5,3],[5,5],[7,3],[8,2]],"I":[[1,4],[1,5],[1,6],[3,3],[3,4],[3,5],[4,4]]},"text":"Frederickは、ちょうど一人がソファに座っていた、それは彼のエリアにいた誰かだと述べた。したがってソファR6C5は埋まっていて、6行目にほかの人はいない――R6C7は空いたままだ。よって暖炉の隣の人は<b>R5C6</b>にいる：客であり（Alisonの供述）、Frederickではない（彼自身の供述は他の誰かについてのものだ）。Alisonのエリアにはちょうどほかに三人いたので、ラウンジには四人いる：Alison、Caroline、Frederick、そしてR5C6の客だ。Benの入る余地はなく、R9C10のスタッフはCarolineではない（「もう一人の」）：<b>AlisonはR9C10にいる</b>。"},{"place":["E","C"],"cand":{"F":[[7,4],[7,8],[8,3],[8,4]],"G":[[7,3],[8,2]],"I":[[1,4],[3,3],[3,4],[4,4]]},"text":"Carolineのエリアにいた人のうち、ちょうど一人が男性だった。その男性はFrederickだから、R5C6の客は女性だ――GinnyでもInessaでもない（階段ホールと食堂にいる）女性の客：<b>EileenはR5C6にいる</b>。誰がソファに座っていたのか？Frederickのエリアにいた、彼以外の誰かで、AlisonとEileenはすでに居場所が決まっている：<b>CarolineはR6C5にいる</b>。Frederickはラウンジの空いているマスのどれかにいる：R7C4、R7C8、R8C3、R8C4のいずれか。Ginnyの角のうち残るのはR7C3とR8C2だけだ。"},{"cand":{"B":[[1,8],[3,7],[4,7]],"D":[[3,3],[4,4]],"F":[[7,4],[7,8],[8,3],[8,4]],"G":[[7,3],[8,2]],"I":[[1,4],[3,3],[3,4],[4,4]]},"text":"Vartanと一緒にいたのは誰か？Henry、Ginny、Alison、Caroline、Eileen、Frederickはほかの場所にいて、Inessaは食堂にいる――したがってBenかDanielだ。Inessaのエリアにいた男性はキャビネットの隣にいて、残る男性はBenとDanielだけだ：一人は食堂に、もう一人は読書室にいる。Benのエリアにはもう一人の男性がいたが、食堂ではInessaしかいないことになる。したがって<b>BenはVartanと二人きりだった</b>。そして<b>Danielはキャビネットの隣にいる</b>、R3C3かR4C4だ（彼のエリアにいるもう一人の客はInessaだ）。"},{"place":["G","F"],"cand":{"B":[[3,7],[4,7]],"D":[[3,3],[4,4]],"I":[[1,4],[3,3],[3,4],[4,4]]},"text":"残るのは1、3、4、7、8行目と2、3、4、7、8列目だ。Benは読書室のR1C8、R3C7、R4C7のどれか、InessaはR1C4、R3C3、R3C4、R4C4のどれかにいる。2列目を使えるのはGinnyだけだ：<b>GinnyはR8C2にいる</b>。そしてFrederickは7行目に入る。DanielとInessaが使えるのは3列目と4列目だけなので、この二つの列は彼らのものだ：<b>FrederickはR7C8にいる</b>。"},{"place":["I","D","B"],"text":"8列目は埋まったので、BenはR3C7かR4C7にいて、1行目を使えるのはInessaだけだ：<b>InessaはR1C4にいる</b>。Danielは3列目を取る、キャビネットの隣だ：<b>DanielはR3C3にいる</b>。Benは最後の行を取る：<b>BenはR4C7にいる</b>、読書室の椅子の上だ。"},{"final":true,"text":"Vartanは読書室で、アームチェアR2C9に座った状態で発見され、そこにいた唯一のほかの人はR4C7のBenだった：<b>Benが犯人だ！</b>"}],"solver":{"rules":[{"type":"no_area_count","n":1}],"occupiable":["stool","chair","armchair","swing","doormat","bench","sofa"]},"verification":{"tool":"tools/murdoku_solver.py","unique":true,"guessFree":true,"checked":"2026-10-12"},"score":153.097}