{"format":"murdoku-puzzle/1","id":"space-station","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":"The Space Station","tagline":"Orbital station Aurora · night shift · 400 km above the Earth","author":"mathace","concept":"Murdoku – Manuel Garand (murdoku.com); unofficial fan-made case","created":"2026-09-16","story":"Night shift on the orbital station Aurora. Halfway through the sleep period an alarm wakes everyone: the commander, Vitus, is found dead in the Cupola, floating in front of the great window. Nine people were aboard: four crew members, two visiting scientists, two space tourists – and Vitus. One of them is the killer. Read every statement, find everyone’s square on the station plan and unmask the murderer – alone with Vitus in the Cupola.","rules":{"standard":["Every <b>row</b> and every <b>column</b> holds exactly <b>one person</b>. As soon as you place someone, cross out their whole row and column.","<b>“Beside”</b> = directly left, right, above or below, and <b>in the same module</b>. Squares with objects (consoles, workbenches, plant racks, crates, the telescope…) cannot be occupied; the chairs, the stool and the sleeping pods can. A <b>corner</b> of a module is a square of that module with two outer sides.","Directions refer to rows and columns, not to the same line: <i>“south of Cassius”</i> = in a row further down, in any column; <i>“exactly one row south of her was a man”</i> = the person in the row directly below is a man, in any column.","The murderer was <b>alone with the victim</b>: nobody else was in that module."],"special":["<b>Every man was beside a console</b> (the women could be anywhere)."]},"roleNames":{"crew":"crew","scientist":"scientist","tourist":"tourist","victim":"victim"},"personGroups":[{"id":"crew","name":"Crew","persons":["A","B","C","D","V"]},{"id":"scientists","name":"Visiting scientists","persons":["E","F"]},{"id":"tourists","name":"Space tourists","persons":["G","H"]}],"map":{"groups":[],"gaps":[],"areas":[{"id":"Command","cells":[[1,1],[1,2],[1,3],[1,4],[2,1],[2,2],[2,3],[2,4],[3,1],[3,2],[3,3],[3,4]],"fill":"#d7dfe8","pattern":"tiles","labelAt":[2,2.5],"name":"Command 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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=\"M33 41 Q40 37 47 41 Q40 43 33 41 Z\" fill=\"#3a2a1c\"/></svg>","solverRole":"guest","constraints":[{"type":"with_gender","gender":"F"},{"type":"beside","obj":"panel","rule":true}]},{"id":"F","name":"Farah","gender":"F","role":"scientist","color":"#00838f","avatar":{"bg":"#7a6a3c","skin":"#d9a57a","hair":"#1c1a1a","style":"long","shirt":"#f4efe6","necklace":true},"clue":"She was in a <b>corner</b> of her area.","job":"biologist","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Farah\"><rect width=\"80\" height=\"80\" fill=\"#7a6a3c\"/><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=\"#f4efe6\"/><path d=\"M31 58 Q40 66 49 58\" fill=\"none\" stroke=\"#f3e2b3\" stroke-width=\"2\" stroke-dasharray=\"2 2\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#d9a57a\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#d9a57a\"/><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\"/></svg>","solverRole":"guest","constraints":[{"type":"corner_of_area"}]},{"id":"G","name":"Gunnar","gender":"M","role":"tourist","color":"#ad1457","avatar":{"bg":"#35607a","skin":"#f1c8a5","hair":"#b7482c","style":"short","shirt":"#e67e22","cap":true},"clue":"He was <b>south of Cassius</b>.","job":"space tourist","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Gunnar\"><rect width=\"80\" height=\"80\" fill=\"#35607a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#e67e22\"/><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 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#b7482c\"/><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=\"M24 24 Q24 11 40 11 Q56 11 56 24 Z\" fill=\"#22406f\"/><rect x=\"22\" y=\"22\" width=\"36\" height=\"5\" rx=\"2\" fill=\"#12213a\"/><circle cx=\"40\" cy=\"18\" r=\"2.6\" fill=\"#f0b429\"/></svg>","solverRole":"guest","constraints":[{"type":"rel","q":"C","dir":"S"},{"type":"beside","obj":"panel","rule":true}]},{"id":"H","name":"Hana","gender":"F","role":"tourist","color":"#5d4037","avatar":{"bg":"#8c3a5a","skin":"#f6d8c0","hair":"#2a1d16","style":"ponytail","shirt":"#e91e63","headband":"#f0b429"},"clue":"There was a <b>man</b> in her area.","job":"space tourist","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Hana\"><rect width=\"80\" height=\"80\" fill=\"#8c3a5a\"/><path d=\"M50 30 Q64 34 60 62 L54 62 Q56 40 48 36 Z\" fill=\"#2a1d16\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#e91e63\"/><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=\"#2a1d16\"/><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=\"#f0b429\"/></svg>","solverRole":"guest","constraints":[{"type":"with_gender","gender":"M"}]},{"id":"V","name":"Vitus","gender":"M","role":"victim","color":"#1b1b1b","avatar":{"bg":"#5a2a2a","skin":"#e4b998","hair":"#c9c3b8","style":"bald","shirt":"#2f3b4c","beard":true},"clue":"<b>The victim.</b> He was found in the <b>Cupola</b> – alone with the murderer.","job":"commander","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Vitus\"><rect width=\"80\" height=\"80\" fill=\"#5a2a2a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#2f3b4c\"/><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 30 Q26 22 30 20 L30 34 Q26 34 26 30 Z\" fill=\"#c9c3b8\"/><path d=\"M54 30 Q54 22 50 20 L50 34 Q54 34 54 30 Z\" fill=\"#c9c3b8\"/><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=\"#c9c3b8\"/><path d=\"M12 12 L68 68 M68 12 L12 68\" stroke=\"#e0362e\" stroke-width=\"5\" stroke-linecap=\"round\" opacity=\".9\"/></svg>","solverRole":"staff","constraints":[{"type":"area","areas":["Cupola"]},{"type":"beside","obj":"panel","rule":true}]}],"victim":"V","murderer":"F","solution":{"A":[1,7],"C":[2,3],"G":[3,2],"D":[4,9],"V":[5,6],"F":[6,4],"E":[7,8],"B":[8,1],"H":[9,5]},"walkthrough":[{"place":["V"],"cand":{"D":[[4,7],[4,9]],"A":[[1,7],[2,8]]},"text":"Every man was beside a console: Aurelio, Cassius, Enzo, Gunnar and Vitus each occupy a square next to a console in their own module – mark those squares (R1C2, R1C3, R2C1, R2C3, R2C4, R3C2, R3C4, R1C7, R1C9, R2C8, R4C5, R5C6, R7C8, R8C9). Vitus was in the Cupola: R4C5 or R5C6. Dinah lay in a sleeping pod with a man exactly one row south of her: from R6C8 that man would have to stand on R7C8, her own column – so Dinah is at R4C7 or R4C9, and row 4 is hers. That leaves <b>Vitus at R5C6</b>. Aurelio was beside a workbench and a console: R1C7 or R2C8. Hana was with a man, so she is not in the Greenhouse or the Sleeping Quarters – no man can be there."},{"place":["A","D"],"cand":{"B":[[8,1],[9,2]]},"text":"Suppose Aurelio were at R2C8. Cassius – a console square with a man in the row above – could then only be at R3C2 or R3C4; Gunnar, south of him and beside a console, only at R8C9; Enzo would be left with R1C2 or R1C3 in the Command Module, where he needs a woman: only Hana could join him, but rows 1–3 would already belong to Enzo, Aurelio and Cassius. Contradiction – so <b>Aurelio is at R1C7</b>, and <b>Dinah at R4C9</b>, because column 7 is his."},{"place":[],"cand":{"H":[[8,4],[8,5],[8,7],[8,8],[9,2],[9,3],[9,5],[9,6],[9,7]],"F":[[3,1],[3,4],[3,5],[6,1],[6,3],[6,4]]},"text":"Rows 8 and 9: no console square is left there for a man (R8C9 is Dinah’s column), Farah has no corner there – so only Birgit (R8C1 or R9C2) and Hana can fill them, and both are in the Cargo Bay. Hana was with a man, and the only console square left in the Cargo Bay is <b>R7C8</b>: a man – Cassius, Enzo or Gunnar – is there. Farah is therefore not at R7C1."},{"place":["F"],"cand":{"C":[[2,1],[2,3],[3,2],[7,8]],"G":[[2,1],[2,3],[3,2],[7,8]],"E":[[2,1],[2,3],[3,2],[7,8]]},"text":"Who was in the Cupola with Vitus? Birgit and Hana are in the Cargo Bay, the men need a console and none is free in the Cupola, so only Farah can be there, in the corner <b>R6C4</b> – alone with Vitus."},{"place":["E","G"],"cand":{"C":[[2,1],[2,3]]},"text":"The two other men are in rows 2–3, on console squares of the Command Module (R2C1, R2C3 or R3C2; R2C8 is in the column of R7C8). Enzo was with a woman, and no woman can be in the Command Module – so <b>Enzo is at R7C8</b>. Cassius and Gunnar are in the Command Module, Gunnar south of Cassius: <b>Gunnar is at R3C2</b>, Cassius at R2C1 or R2C3."},{"place":["B","C","H"],"text":"Column 2 is Gunnar’s, so <b>Birgit is at R8C1</b> and Hana is in row 9 (R9C3 or R9C5). Column 1 is taken: <b>Cassius is at R2C3</b>, and column 3 leaves <b>Hana at R9C5</b>."},{"final":true,"text":"Case closed: Vitus was alone with Farah in the Cupola. <b>Farah is the murderer!</b>"}],"solver":{"rules":[],"occupiable":["chair","stool","pod"]},"verification":{"tool":"tools/murdoku_solver.py","unique":true,"guessFree":true,"checked":"2026-09-16"}}