{"format":"murdoku-puzzle/1","id":"polar","version":1,"difficulty":"medium","level":6,"size":{"rows":9,"cols":9},"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":"極地基地","tagline":"オーロラ基地、南極 · 極夜の最後の週 · ドリルが止まっていた","author":"mathace","concept":"Murdoku – Manuel Garand (murdoku.com); unofficial fan-made case","created":"2026-09-29","story":"南極沿岸のオーロラ基地、極夜の最後の週。四か月のあいだ、九人は小屋と、発電機の唸りと、ハスキーたちの遠吠えを分かち合ってきた。そして最新の氷床コアが、ある者の経歴を築き、別の者の経歴を潰すであろう何かを、たった今示したところだった。基地長のVigdisは、太陽が戻りしだい結果を無線で本国に伝えるつもりだった。だが、それは叶わなかった：彼女は実験室の氷床コアドリルの隣で発見された。外から来られた者はいない――全員が証言する。誰が彼女と二人きりだったのかを突き止めよう。","rules":{"standard":["どの行にもどの列にも、ちょうど一人がいる。誰かを置いたら、その行と列を丸ごと消そう。","「隣」 = 真左・真右・真上・真下で、かつ同じエリアの中。物のあるマス（ペンギン、旗竿、無線塔、木箱、机、氷の穴、ストーブ、テーブル、配電盤、氷床コアドリル、キャビネット、ハスキー、燃料ドラム缶）にはいられない。スノーモービル、二段ベッド、椅子、犬ぞりにはいられる。","方角は行と列を指し、同一直線上である必要はない：「彼のちょうど1行北に女性がいた」 = 真上の行の人物が女性、列は問わない。","犯人は被害者と二人きりだった：そのエリアには他に誰もいなかった。"],"special":["ちょうど1つのエリアが空だった。"]},"roleNames":{"scientist":"研究者","crew":"スタッフ","victim":"被害者"},"personGroups":[{"id":"scientists","name":"研究者","persons":["A","B","C","D","V"]},{"id":"crew","name":"スタッフ","persons":["E","F","G","H"]}],"map":{"groups":[],"gaps":[],"areas":[{"id":"Penguin Rookery","cells":[[1,1],[1,2],[1,3],[2,1],[2,2],[2,3],[3,1],[3,2],[4,1]],"fill":"#e4eef2","pattern":"snow","labelAt":[2,1],"name":"ペンギンのコロニー"},{"id":"Ice Field","cells":[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[2,7],[3,3],[3,4],[3,7],[3,8],[4,2],[4,3],[4,8],[4,9],[5,1],[5,2],[5,8],[5,9],[6,1],[6,9],[7,1],[8,1],[9,1],[9,2],[9,3]],"fill":"#eef4f7","pattern":"ice","labelAt":[3,4],"name":"氷原"},{"id":"Radio Shack","cells":[[1,7],[1,8],[1,9],[2,8],[2,9],[3,9]],"fill":"#efe2cb","pattern":"planks","labelAt":[2,8],"name":"無線小屋"},{"id":"Main Hut","cells":[[3,5],[3,6],[4,4],[4,5],[4,6],[4,7],[5,3],[5,4],[5,5],[5,6],[5,7],[6,5],[6,6]],"fill":"#f1dfcc","pattern":"planks","labelAt":[4,6],"name":"本棟"},{"id":"Laboratory","cells":[[6,2],[6,3],[6,4],[7,2],[7,3],[7,4],[7,5],[8,2],[8,3],[8,4]],"fill":"#e2e6f0","pattern":"tiles","labelAt":[7,4],"name":"実験室"},{"id":"Generator Shed","cells":[[6,7],[6,8],[7,7],[7,8],[7,9],[8,8],[8,9],[9,7],[9,8],[9,9]],"fill":"#dcdad4","pattern":"boards","labelAt":[8,8],"name":"発電機小屋"},{"id":"Dog Yard","cells":[[7,6],[8,5],[8,6],[8,7],[9,4],[9,5],[9,6]],"fill":"#e6ecf0","pattern":"snow","labelAt":[9,6],"name":"犬舎"}],"objectTypes":{"bed":{"occupiable":true,"name":"二段ベッド","icon":"","iconTall":""},"chair":{"occupiable":true,"name":"椅子","icon":""},"sled":{"occupiable":true,"name":"犬ぞり","icon":""},"snowmobile":{"occupiable":true,"name":"スノーモービル","icon":""},"adelie":{"occupiable":false,"name":"ペンギン","icon":""},"antenna":{"occupiable":false,"name":"無線塔","icon":""},"barrel":{"occupiable":false,"name":"燃料ドラム缶","icon":""},"cabinet":{"occupiable":false,"name":"キャビネット","icon":""},"crate":{"occupiable":false,"name":"木箱","icon":""},"desk":{"occupiable":false,"name":"机","icon":""},"drill":{"occupiable":false,"name":"氷床コアドリル","icon":""},"flagpole":{"occupiable":false,"name":"旗竿","icon":""},"husky":{"occupiable":false,"name":"ハスキー","icon":""},"icehole":{"occupiable":false,"name":"氷の穴","icon":""},"panel":{"occupiable":false,"name":"配電盤","icon":""},"stove":{"occupiable":false,"name":"ストーブ","icon":""},"table":{"occupiable":false,"name":"テーブル","icon":""}},"wallTypes":{},"objects":[{"cell":[1,2],"type":"adelie"},{"cell":[1,5],"type":"flagpole"},{"cell":[1,9],"type":"antenna"},{"cell":[2,3],"type":"adelie"},{"cell":[2,4],"type":"crate"},{"cell":[2,7],"type":"snowmobile"},{"cell":[2,9],"type":"desk"},{"cell":[3,1],"type":"adelie"},{"cell":[3,8],"type":"icehole"},{"cell":[4,4],"type":"bed"},{"cell":[4,5],"type":"stove"},{"cell":[4,9],"type":"snowmobile"},{"cell":[5,1],"type":"icehole"},{"cell":[5,3],"type":"bed"},{"cell":[5,5],"type":"table"},{"cell":[6,2],"type":"desk"},{"cell":[6,6],"type":"chair"},{"cell":[6,7],"type":"panel"},{"cell":[7,3],"type":"drill"},{"cell":[7,5],"type":"cabinet"},{"cell":[8,5],"type":"sled"},{"cell":[8,6],"type":"husky"},{"cell":[9,2],"type":"sled"},{"cell":[9,4],"type":"husky"},{"cell":[9,9],"type":"barrel"}],"wallFeatures":[],"extras":[],"cellSize":46},"persons":[{"id":"A","name":"Anneli","gender":"F","role":"scientist","color":"#c62828","avatar":{"bg":"#35607a","skin":"#f6d8c0","hair":"#d9b464","style":"ponytail","shirt":"#c62828","beanie":"#f4efe6"},"clue":"彼女は1列目にいた。","job":"氷河学者","avatarSvg":"","solverRole":"scientist","constraints":[{"type":"col","cols":[1]}]},{"id":"B","name":"Bjørn","gender":"M","role":"scientist","color":"#2e7d32","avatar":{"bg":"#2f4858","skin":"#f1c8a5","hair":"#d9b464","style":"short","shirt":"#1565c0","beard":true,"beanie":"#c62828"},"clue":"彼のエリアにいた誰かが犬ぞりの隣にいた。","job":"気象学者","avatarSvg":"","solverRole":"scientist","constraints":[{"type":"with_beside","obj":"sled"}]},{"id":"C","name":"Camila","gender":"F","role":"scientist","color":"#1565c0","avatar":{"bg":"#6e2c4b","skin":"#c68a5e","hair":"#1c1a1a","style":"long","shirt":"#2e7d32","earmuffs":"#e26d8a"},"clue":"彼女のちょうど1行北にスタッフがいた。","job":"生物学者","avatarSvg":"","solverRole":"scientist","constraints":[{"type":"rel_any","dir":"N","exact":1,"role":"crew"}]},{"id":"D","name":"Dag","gender":"M","role":"scientist","color":"#6a1b9a","avatar":{"bg":"#1b2a33","skin":"#e7b98f","hair":"#7a4a2a","style":"short","shirt":"#e65100","beard":true,"glasses":true},"clue":"彼の行のどこかに椅子があった。","job":"地球物理学者","avatarSvg":"","solverRole":"scientist","constraints":[{"type":"row_has","obj":"chair"}]},{"id":"E","name":"Eirik","gender":"M","role":"crew","color":"#e65100","avatar":{"bg":"#5d4037","skin":"#f1c8a5","hair":"#b7482c","style":"short","shirt":"#4a5a7a","beard":true,"cap":true},"clue":"彼の行のどこかにキャビネットがあった。","job":"整備士","avatarSvg":"","solverRole":"crew","constraints":[{"type":"row_has","obj":"cabinet"}]},{"id":"F","name":"Fenna","gender":"F","role":"crew","color":"#00838f","avatar":{"bg":"#00695c","skin":"#f3d3b5","hair":"#7a4a2a","style":"bob","shirt":"#f4efe6","glasses":true},"clue":"椅子の隣にいたのは彼女だけだった。","job":"医師","avatarSvg":"","solverRole":"crew","constraints":[{"type":"only_beside","obj":"chair"}]},{"id":"G","name":"Galina","gender":"F","role":"crew","color":"#ad1457","avatar":{"bg":"#5b2c6f","skin":"#f6d8c0","hair":"#2b1d14","style":"bun","shirt":"#6e2c4b","headphones":true},"clue":"彼女は自分のエリアの角にはいなかった。","job":"無線通信士","avatarSvg":"","solverRole":"crew","constraints":[{"type":"not_corner_of_area"}]},{"id":"H","name":"Hemi","gender":"M","role":"crew","color":"#5d4037","avatar":{"bg":"#7a5a2c","skin":"#a9714b","hair":"#1c1a1a","style":"short","shirt":"#f4efe6","apron":true,"mustache":true,"mustacheColor":"#1c1a1a"},"clue":"彼のエリアのどこかに二段ベッドがあった。","job":"料理人","avatarSvg":"","solverRole":"crew","constraints":[{"type":"area_has","obj":"bed"}]},{"id":"V","name":"Vigdis","gender":"F","role":"victim","color":"#1b1b1b","avatar":{"bg":"#5a2a2a","skin":"#f6d8c0","hair":"#d9d4cc","style":"bob","shirt":"#1565c0","scarf":"#c62828"},"clue":"被害者。彼女は実験室の氷床コアドリルの隣で発見された――犯人と二人きりで。","job":"基地長","avatarSvg":"","solverRole":"scientist","constraints":[{"type":"area","areas":["Laboratory"]},{"type":"beside","obj":"drill"}]}],"victim":"V","murderer":"D","solution":{"G":[1,8],"C":[2,2],"H":[3,5],"B":[4,9],"F":[5,6],"D":[6,4],"E":[7,7],"V":[8,3],"A":[9,1]},"walkthrough":[{"place":["V","F"],"cand":{"A":[[1,1],[2,1],[4,1],[9,1]],"B":[[1,4],[1,7],[1,8],[2,2],[2,5],[2,7],[2,8],[3,2],[3,4],[3,5],[3,7],[3,9],[4,2],[4,4],[4,7],[4,8],[4,9],[9,2],[9,5],[9,7],[9,8]],"C":[[2,2],[2,5],[2,7],[2,8],[3,2],[3,4],[3,5],[3,7],[3,9],[4,2],[4,4],[4,7],[4,8],[4,9],[9,2],[9,5],[9,7],[9,8]],"D":[[6,4],[6,8],[6,9]],"E":[[7,2],[7,4],[7,7],[7,8],[7,9]],"G":[[1,8],[2,2],[2,5],[4,8],[9,2],[9,5],[9,8]],"H":[[3,5],[4,4],[4,7]]},"text":"Vigdisは実験室で、氷床コアドリルの隣で発見された：R6C3、R7C2、R7C4、R8C3のいずれか。犯人はそこで彼女と二人きりだったので、実験室にはちょうど二人がいる。椅子（R6C6）はDagの行に、キャビネット（R7C5）はEirikの行にあった：6行目はDag、7行目はEirikのもので、被害者に残るマスは一つだけ――VigdisはR8C3にいる。椅子の隣にいたのはFennaだけだった。椅子自身のエリアである本棟では、椅子の隣の空きマスは二つ、R5C6とR6C5（R6C7は配電盤、R7C6は犬舎に属する）で、R6C5はDagの行にある：FennaはR5C6にいる。他には誰も椅子の隣にいなかったので、DagはR6C5にはいない；1列目はAnneli自身の証言によりAnneliのもの、3列目と6列目は埋まっているので、DagはR6C4、R6C8、R6C9のいずれかにいる。エリアに二段ベッドがあったHemiは本棟にいる（R3C5、R4C4、R4C7のいずれか）。Galinaは自分のエリアの角にはいなかったし、ちょうど1行北にスタッフがいたCamilaは1行目にはいない。"},{"place":["A"],"cand":{"B":[[1,4],[2,5],[2,7],[3,4],[3,7],[4,2],[4,8],[4,9]],"C":[[2,2],[2,5],[2,7],[2,8],[3,2],[3,4],[3,5],[3,7],[3,9],[4,2],[4,4],[4,7],[4,8],[4,9]],"D":[[6,4],[6,8],[6,9]],"E":[[7,2],[7,4],[7,7],[7,8],[7,9]],"G":[[1,8],[2,2],[2,5],[4,8]],"H":[[3,5],[4,4],[4,7]]},"text":"Bjørnは、自分のエリアの誰かが犬ぞりの隣にいたと言う。犬ぞりは二つある――犬舎のR8C5と氷原のR9C2――そして「隣」は同じエリアの中でしか数えない：R8C5のそりの隣にはR9C5しかなく（R8C4は実験室、R7C5はキャビネット、R8C6はハスキー）、R9C2のそりの隣にはR9C1とR9C3がある（R8C2は実験室）。Bjørnは犬舎にはいられない：その人物がR9C5にいるなら、Bjørnには9行目以外の犬舎のマスが必要だが、R7C6はEirikの行に、R8C5とR8C7はVigdisの行にある。したがってBjørnは氷原にいて、そこの誰かがR9C1かR9C3にいる。R9C3はVigdisの列にあるので、R9C1が残る――そして1列目はAnneliのものだ：AnneliはR9C1にいる。ここで犬舎を見よう：8行目と9行目は埋まっていて、最後の空きマスR7C6はEirikの行にあるが、Fennaの列にある。犬舎は空だ。ちょうど1つのエリアが空だった――それは犬舎なので、残る六つのエリアにはそれぞれ誰かがいる。"},{"place":["G"],"cand":{"B":[[2,5],[2,7],[3,7],[4,9]],"C":[[2,2],[2,5],[2,7],[3,2],[3,5],[3,7],[3,9],[4,7],[4,9]],"D":[[6,4],[6,9]],"E":[[7,4],[7,7],[7,9]],"H":[[3,5],[4,7]]},"text":"ペンギンのコロニーから始めよう：1列目と3列目は埋まっているので、空きマスはR2C2とR3C2だけだ。コロニーには誰かがいるので、その人物が2列目を占め、コロニーの外の誰もその列にはいられない。犯人は実験室でVigdisと二人きりで、6行目か7行目にいる――DagかEirikだ。この二つの行の実験室のマスはR6C3、R6C4、R7C2、R7C4；3列目はVigdis、2列目はコロニーのものなので、犯人はR6C4かR7C4にいて4列目を占める。5行目、8行目、9行目は埋まり、6行目と7行目はDagとEirikのものなので、1〜4行目はBjørn、Camila、Galina、Hemiに残る。1行目では1列目、3列目、4列目、6列目が外れ、R1C2はペンギン、R1C5は旗竿、R1C9は無線塔だ：残るのはR1C7とR1C8だけで、どちらも無線小屋にある。Bjørnは氷原に、Hemiは本棟にいて、Camilaは1行目にいないので、1行目はGalinaのものだ。R1C7は無線小屋の角で、彼女は角にはいなかった：GalinaはR1C8にいる。"},{"place":["C","H"],"cand":{"B":[[4,9]],"D":[[6,4],[6,9]],"E":[[7,4],[7,7],[7,9]]},"text":"ペンギンのコロニーには誰かがいる――そこに入れるのはCamilaだけだ：DagとEirikは6行目と7行目、Bjørnは氷原、Hemiは本棟、Galinaは無線小屋にいる。したがってCamilaはR2C2かR3C2にいる。彼女のちょうど1行北にスタッフがいた。R3C2なら、それは2行目の人物になる――だがGalinaは1行目、Fennaは5行目、Eirikは7行目にいて、Hemiのいる本棟には2行目にマスがない。よってCamilaはR2C2にいる、無線通信士Galinaの1行南に。5列目には誰がいるか。R1C5は旗竿、R4C5はストーブ、R5C5はテーブル、R7C5はキャビネットだ；2行目、8行目、9行目は埋まっている；Dagの行にあるR6C5は椅子の隣で、椅子の隣にいたのはFennaだけだった。残るのはR3C5だけで、本棟のマスだ：HemiはR3C5にいる。"},{"place":["B","D","E"],"text":"Bjørnに残る行は4行目だけで、彼は氷原にいる：R4C2はCamilaの列に、R4C3はVigdisの列に、R4C8はGalinaの列にある。BjørnはR4C9にいる、そこのスノーモービルに座って――そして彼の証言の「誰か」は、R9C2の犬ぞりの隣、R9C1にいるAnneliだ。空いている列は4列目と7列目だけで、6行目のDagと7行目のEirikのものだ。R6C7は配電盤なので、DagはR6C4にいて、EirikはR7C7にいる、発電機小屋に。犬舎を除くすべてのエリアに誰かがいる、ルールが求めるとおりに。R6C4は実験室のマスだ：実験室でVigdisと二人きりだったのはDagだけだ――彼が犯人だ。"},{"final":true,"text":"事件解決：Vigdisは実験室で地球物理学者と二人きりだった。Dagが犯人だ！"}],"solver":{"rules":[{"type":"n_empty_areas","n":1}],"occupiable":["bed","chair","sled","snowmobile"]},"verification":{"tool":"tools/murdoku_solver.py","unique":true,"guessFree":true,"checked":"2026-09-29"}}