{"format":"murdoku-puzzle/1","id":"pit-stop","iconSet":"catalogue","version":1,"difficulty":"easy","level":4,"size":{"rows":6,"cols":6},"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":"Dừng xe ở pit","tagline":"Monza, tối thứ Bảy · ga-ra sau vòng phân hạng · vị trí pole và một buồng lái trống","author":"mathace","concept":"Murdoku – Manuel Garand (murdoku.com); unofficial fan-made case","created":"2026-10-18","story":"Monza, tối thứ Bảy của Grand Prix Ý. Tám giờ, làn pit lặng đi, còn Valentina, người vừa giành pole position, không thấy đâu. Có sáu người trong góc paddock của đội tối hôm ấy, kể cả Valentina. Cô được tìm thấy đã chết. Không ai ăn mừng pole position.","rules":{"standard":["Mỗi <b>hàng</b> và mỗi <b>cột</b> có đúng <b>một người</b>. Ngay khi bạn đặt ai đó, hãy gạch bỏ cả hàng và cột của người ấy.","<b>“Cạnh”</b> = ngay bên trái, bên phải, bên trên hoặc bên dưới, và <b>trong cùng một khu vực</b>. Các ô có đồ vật (bảng điểm, cọc tiêu, xe đua, các chồng lốp, xe đẩy, máy tính và bàn viết) không thể ở; các ghế đẩu và ghế tựa thì được.","Phương hướng chỉ hàng và cột, không cần cùng một đường thẳng: <i>“đúng một hàng về phía bắc của anh ấy có một người phụ nữ”</i> = người ở hàng ngay phía trên là phụ nữ, ở bất kỳ cột nào; <i>“người ở xa nhất về phía bắc trong khu vực của cô ấy”</i> = không ai khác trong khu vực của cô ấy ở hàng cao hơn.","Hung thủ <b>ở một mình với nạn nhân</b>: không có ai khác trong khu vực đó. Nạn nhân không đưa ra lời khai – ô của cô ấy cũng được suy ra từ lời khai của những người khác."],"special":[],"notes":[],"example":{}},"roleNames":{"crew":"thành viên đội pit","management":"thành viên ban lãnh đạo","driver":"tay đua","victim":"nạn nhân"},"personGroups":[{"id":"crew","name":"Đội pit","persons":["A","B"]},{"id":"management","name":"Ban lãnh đạo","persons":["C","D"]},{"id":"drivers","name":"Các tay đua","persons":["E","V"]}],"map":{"groups":[],"gaps":[],"areas":[{"id":"Pit Wall","cells":[[1,4],[1,5],[1,6]],"fill":"#dfe9ee","pattern":"tiles","labelAt":[1,4],"name":"Tường pit"},{"id":"Pit Lane","cells":[[1,1],[1,2],[1,3],[2,1],[2,2],[2,3],[2,4]],"fill":"#e6dcc8","pattern":"boards","labelAt":[1,1.5],"name":"Làn pit"},{"id":"Garage","cells":[[2,5],[3,1],[3,2],[3,3],[3,4],[3,5],[4,2],[4,3],[4,4],[4,5]],"fill":"#efd9c9","pattern":"marble","labelAt":[2,5],"name":"Ga-ra"},{"id":"Tyre Store","cells":[[4,1],[5,1],[5,2],[5,3],[6,1],[6,2]],"fill":"#f2e6c8","pattern":"planks","labelAt":[4,1],"name":"Kho lốp"},{"id":"Engineers' Room","cells":[[2,6],[3,6],[4,6],[5,4],[5,5],[5,6],[6,3],[6,4],[6,5],[6,6]],"fill":"#d5e6d8","pattern":"tiles","labelAt":[2,6],"name":"Phòng kỹ sư"}],"objectTypes":{"scoreboard":{"occupiable":false,"name":"bảng điểm","icon":"<path d=\"M12 30 V43 M34 30 V43\" stroke=\"#3d4f5e\" stroke-width=\"2.5\" stroke-linecap=\"round\"/><rect x=\"4\" y=\"5\" width=\"38\" height=\"26\" rx=\"2\" fill=\"#1f2a33\" stroke=\"#0e151b\" stroke-width=\"1.5\"/><path d=\"M4 18 H42 M25 5 V31 M33.500 5 V31\" stroke=\"#51606c\" stroke-width=\"1\"/><rect x=\"7\" y=\"9.500\" width=\"15\" height=\"4\" rx=\"1\" fill=\"#d7e1e8\"/><rect x=\"7\" y=\"22.500\" width=\"15\" height=\"4\" rx=\"1\" fill=\"#d7e1e8\"/><rect x=\"27.500\" y=\"8.500\" width=\"3.500\" height=\"6\" fill=\"#f2c94c\"/><rect x=\"36\" y=\"8.500\" width=\"3.500\" height=\"6\" fill=\"#f2c94c\"/><rect x=\"27.500\" y=\"21.500\" width=\"3.500\" height=\"6\" fill=\"#f2c94c\"/><rect x=\"36\" y=\"21.500\" width=\"3.500\" height=\"6\" fill=\"#e26d5a\"/>"},"stool":{"occupiable":true,"name":"ghế đẩu","icon":"<circle cx=\"23\" cy=\"23\" r=\"11\" fill=\"#fbfaf6\" stroke=\"#8c8a82\" stroke-width=\"1.5\"/><circle cx=\"23\" cy=\"23\" r=\"5\" fill=\"#d9d5cc\"/>"},"cone":{"occupiable":false,"name":"cọc tiêu","icon":"<path d=\"M23 6 L33 38 L13 38 Z\" fill=\"#e67e22\"/><rect x=\"9\" y=\"37\" width=\"28\" height=\"5\" rx=\"1.5\" fill=\"#2b2b2b\"/><path d=\"M18.5 21 h9 l1.5 5 h-12 z\" fill=\"#fbfbfb\"/><path d=\"M16 30 h14 l1.5 5 h-17 z\" fill=\"#fbfbfb\"/>"},"racecar":{"occupiable":false,"name":"xe đua","icon":"<rect x=\"38\" y=\"7\" width=\"5\" height=\"32\" rx=\"1.3\" fill=\"#2b2f36\" stroke=\"#15181c\" stroke-width=\"1\"/><rect x=\"2.5\" y=\"9\" width=\"4.5\" height=\"28\" rx=\"1.3\" fill=\"#2b2f36\" stroke=\"#15181c\" stroke-width=\"1\"/><path d=\"M12.5 12 L16 19 M12.5 34 L16 27 M34.5 12 V15 M34.5 34 V31\" stroke=\"#2b2f36\" stroke-width=\"1.6\"/><rect x=\"9\" y=\"4\" width=\"7\" height=\"8.5\" rx=\"2\" fill=\"#15181b\"/><rect x=\"9\" y=\"33.5\" width=\"7\" height=\"8.5\" rx=\"2\" fill=\"#15181b\"/><rect x=\"30\" y=\"3\" width=\"9\" height=\"9.5\" rx=\"2.3\" fill=\"#15181b\"/><rect x=\"30\" y=\"33.5\" width=\"9\" height=\"9.5\" rx=\"2.3\" fill=\"#15181b\"/><path d=\"M6 23 L12 19.5 L22 18 L27 14 H37 Q40 14 40 17 V29 Q40 32 37 32 H27 L22 28 L12 26.5 Z\" fill=\"#c8102e\" stroke=\"#6b0a19\" stroke-width=\"1.3\" stroke-linejoin=\"round\"/><ellipse cx=\"29\" cy=\"23\" rx=\"4.5\" ry=\"3.2\" fill=\"#1b2630\"/><path d=\"M12.5 23 H22\" stroke=\"#f5f5f5\" stroke-width=\"1.5\" stroke-linecap=\"round\"/><rect x=\"34\" y=\"20.5\" width=\"4.5\" height=\"5\" rx=\"1\" fill=\"#f2c94c\"/>"},"tyres":{"occupiable":false,"name":"chồng lốp","icon":"<path d=\"M8 37 v-7 a15 6 0 0 1 30 0 v7 a15 6 0 0 1 -30 0 z\" fill=\"#1b1f23\" stroke=\"#0a0c0e\" stroke-width=\"1\"/><path d=\"M12 32 v5 M17 34 v5 M23 35 v5 M29 34 v5 M34 32 v5\" stroke=\"#353b42\" stroke-width=\"1.4\" stroke-linecap=\"round\"/><path d=\"M8 29 v-7 a15 6 0 0 1 30 0 v7 a15 6 0 0 1 -30 0 z\" fill=\"#1f2429\" stroke=\"#0a0c0e\" stroke-width=\"1\"/><path d=\"M12 24 v5 M17 26 v5 M23 27 v5 M29 26 v5 M34 24 v5\" stroke=\"#3a4148\" stroke-width=\"1.4\" stroke-linecap=\"round\"/><path d=\"M8 21 v-7 a15 6 0 0 1 30 0 v7 a15 6 0 0 1 -30 0 z\" fill=\"#24292f\" stroke=\"#0a0c0e\" stroke-width=\"1\"/><path d=\"M12 16 v5 M17 18 v5 M23 19 v5 M29 18 v5 M34 16 v5\" stroke=\"#40474f\" stroke-width=\"1.4\" stroke-linecap=\"round\"/><ellipse cx=\"23\" cy=\"14\" rx=\"15\" ry=\"6\" fill=\"#2c3238\" stroke=\"#0a0c0e\" stroke-width=\"1\"/><ellipse cx=\"23\" cy=\"14\" rx=\"11\" ry=\"4.2\" fill=\"none\" stroke=\"#4a525b\" stroke-width=\"1\"/><ellipse cx=\"23\" cy=\"14\" rx=\"6.5\" ry=\"2.5\" fill=\"#0d0f11\"/>"},"cart":{"occupiable":false,"name":"xe đẩy","icon":"<rect x=\"8\" y=\"12\" width=\"30\" height=\"16\" rx=\"2\" fill=\"#8a5a34\" stroke=\"#3f2d1d\" stroke-width=\"1.3\"/><circle cx=\"15\" cy=\"34\" r=\"5\" fill=\"#2b2b2b\"/><circle cx=\"31\" cy=\"34\" r=\"5\" fill=\"#2b2b2b\"/><path d=\"M38 20 h6\" stroke=\"#3f2d1d\" stroke-width=\"2.5\"/>"},"pc":{"occupiable":false,"name":"máy tính","icon":"<rect x=\"3\" y=\"7\" width=\"27\" height=\"19\" rx=\"2\" fill=\"#1c232c\" stroke=\"#0b0e12\" stroke-width=\"1.5\"/><rect x=\"6\" y=\"10\" width=\"21\" height=\"13\" fill=\"#2ecc71\"/><rect x=\"8\" y=\"12\" width=\"12\" height=\"2\" fill=\"#0b0e12\" opacity=\".5\"/><rect x=\"8\" y=\"16\" width=\"16\" height=\"2\" fill=\"#0b0e12\" opacity=\".5\"/><rect x=\"13\" y=\"26\" width=\"7\" height=\"4\" fill=\"#0b0e12\"/><rect x=\"8\" y=\"30\" width=\"17\" height=\"3\" rx=\"1\" fill=\"#0b0e12\"/><rect x=\"33\" y=\"5\" width=\"10\" height=\"30\" rx=\"2\" fill=\"#2f3b4c\" stroke=\"#161c25\" stroke-width=\"1.5\"/><circle cx=\"38\" cy=\"10\" r=\"1.7\" fill=\"#7fc4d8\"/><rect x=\"35\" y=\"15\" width=\"6\" height=\"13\" fill=\"#161c25\"/><rect x=\"36\" y=\"17\" width=\"4\" height=\"2\" fill=\"#e74c3c\"/>"},"desk":{"occupiable":false,"name":"bàn viết","icon":"<rect x=\"5\" y=\"12\" width=\"36\" height=\"22\" rx=\"3\" fill=\"#8f6a44\" stroke=\"#5e4127\" stroke-width=\"1.5\"/><rect x=\"9\" y=\"16\" width=\"14\" height=\"10\" fill=\"#f4efe6\" stroke=\"#8c8a82\"/><rect x=\"27\" y=\"17\" width=\"10\" height=\"4\" fill=\"#3d444b\"/>"},"chair":{"occupiable":true,"name":"ghế tựa","icon":"<rect x=\"9\" y=\"7\" width=\"28\" height=\"32\" rx=\"6\" fill=\"#fbfaf6\" stroke=\"#8c8a82\" stroke-width=\"1.5\"/><rect x=\"9\" y=\"7\" width=\"28\" height=\"9\" rx=\"4\" fill=\"#d9d5cc\" stroke=\"#8c8a82\" stroke-width=\"1.5\"/>"}},"wallTypes":{},"objects":[{"cell":[1,1],"type":"cone"},{"cell":[1,4],"type":"stool"},{"cell":[1,6],"type":"scoreboard"},{"cell":[2,3],"type":"racecar"},{"cell":[2,5],"type":"tyres"},{"cell":[3,3],"type":"cart"},{"cell":[4,2],"type":"stool"},{"cell":[4,6],"type":"pc"},{"cell":[5,1],"type":"tyres"},{"cell":[5,6],"type":"chair"},{"cell":[6,2],"type":"tyres"},{"cell":[6,6],"type":"desk"}],"wallFeatures":[],"extras":[],"cellSize":46,"labelStyle":2},"persons":[{"id":"A","name":"Alessandro","gender":"M","role":"crew","color":"#c62828","avatar":{"bg":"#2f4858","skin":"#c98d62","hair":"#1c1a1a","style":"short","beard":true,"shirt":"#c62828"},"clue":"Anh ấy ở cạnh một <b>chồng lốp</b>. <b>Bàn viết</b> ở đâu đó trong <b>hàng</b> của anh ấy.","job":"kỹ sư đua","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Alessandro\"><rect width=\"80\" height=\"80\" fill=\"#2f4858\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#c62828\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#c98d62\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#c98d62\"/><path d=\"M26 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 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\"/><path d=\"M27 38 Q30 52 40 53 Q50 52 53 38 Q50 47 40 48 Q30 47 27 38 Z\" fill=\"#1c1a1a\"/></svg>","solverRole":"crew","constraints":[{"type":"beside","obj":"tyres"},{"type":"row_has","obj":"desk"}]},{"id":"B","name":"Beatrice","gender":"F","role":"crew","color":"#1565c0","avatar":{"bg":"#5b2c6f","skin":"#f0cdb0","hair":"#2a1c14","style":"ponytail","headband":"#ffffff","shirt":"#1565c0"},"clue":"Cô ấy là <b>người duy nhất</b> ở cạnh <b>xe đua</b>.","job":"thợ máy trưởng","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Beatrice\"><rect width=\"80\" height=\"80\" fill=\"#5b2c6f\"/><path d=\"M50 30 Q64 34 60 62 L54 62 Q56 40 48 36 Z\" fill=\"#2a1c14\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#1565c0\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f0cdb0\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f0cdb0\"/><path d=\"M26 33 Q26 16 40 16 Q54 16 54 33 Q50 24 40 24 Q30 24 26 33 Z\" fill=\"#2a1c14\"/><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":"crew","constraints":[{"type":"only_beside","obj":"racecar"}]},{"id":"C","name":"Carlo","gender":"M","role":"management","color":"#2e7d32","avatar":{"bg":"#1b2a33","skin":"#f1c8a5","hair":"#5a5a5a","style":"slick","mustache":true,"mustacheColor":"#5a5a5a","shirt":"#2e7d32"},"clue":"Anh ấy ở cạnh một <b>ghế đẩu</b>.","job":"trưởng đội","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Carlo\"><rect width=\"80\" height=\"80\" fill=\"#1b2a33\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#2e7d32\"/><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 30 Q27 16 44 15 Q56 15 55 26 Q48 22 40 23 Q30 24 26 30 Z\" fill=\"#5a5a5a\"/><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=\"#5a5a5a\"/></svg>","solverRole":"management","constraints":[{"type":"beside","obj":"stool"}]},{"id":"D","name":"Donatella","gender":"F","role":"management","color":"#6a1b9a","avatar":{"bg":"#6e2c4b","skin":"#e7b98f","hair":"#1c1a1a","style":"bun","earrings":true,"shirt":"#6a1b9a"},"clue":"Cô ấy ở <b>một góc trong khu vực của mình</b>. <b>Đúng hai hàng về phía bắc</b> của cô ấy có một người ở cạnh <b>xe đẩy</b>.","job":"người phụ trách báo chí","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Donatella\"><rect width=\"80\" height=\"80\" fill=\"#6e2c4b\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#6a1b9a\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e7b98f\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e7b98f\"/><circle cx=\"40\" cy=\"15\" r=\"7\" fill=\"#1c1a1a\"/><path d=\"M26 32 Q26 16 40 16 Q54 16 54 32 Q50 24 40 24 Q30 24 26 32 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":"management","constraints":[{"type":"corner_of_area"},{"type":"rel_any","dir":"N","exact":2,"beside":"cart"}]},{"id":"E","name":"Enzo","gender":"M","role":"driver","color":"#e65100","avatar":{"bg":"#3d5a6e","skin":"#e9bf9b","hair":"#2a1c14","style":"short","cap":true,"beard":true,"shirt":"#e65100"},"clue":"<b>Xe đẩy</b> <b>không</b> ở trong khu vực của anh ấy.","job":"tay đua thứ hai","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Enzo\"><rect width=\"80\" height=\"80\" fill=\"#3d5a6e\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#e65100\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e9bf9b\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e9bf9b\"/><path d=\"M26 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#2a1c14\"/><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=\"#2a1c14\"/><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":"driver","constraints":[{"type":"not_area_has","obj":"cart"}]},{"id":"V","name":"Valentina","gender":"F","role":"victim","color":"#1b1b1b","avatar":{"bg":"#35607a","skin":"#f3d3b5","hair":"#d9b464","style":"long","necklace":true,"shirt":"#1b1b1b"},"clue":"<b>Nạn nhân.</b> Cô ấy ở một mình với hung thủ.","job":"tay đua chính","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Valentina\"><rect width=\"80\" height=\"80\" fill=\"#35607a\"/><path d=\"M22 42 Q20 14 40 14 Q60 14 58 42 L62 72 L18 72 Z\" fill=\"#d9b464\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#1b1b1b\"/><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=\"#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=\"#d9b464\"/><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=\"M12 12 L68 68 M68 12 L12 68\" stroke=\"#e0362e\" stroke-width=\"5\" stroke-linecap=\"round\" opacity=\".9\"/></svg>","solverRole":"driver","constraints":[]}],"victim":"V","murderer":"C","solution":{"B":[1,3],"E":[2,6],"C":[3,2],"V":[4,5],"D":[5,4],"A":[6,1]},"walkthrough":[{"place":["A"],"cand":{"B":[[1,3],[2,2],[2,4]],"C":[[1,5],[3,2],[4,3]],"D":[[5,3],[5,4]],"E":[[1,2],[1,4],[1,5],[2,6]],"V":[[1,2],[1,4],[1,5],[2,6],[3,2],[3,4],[4,2],[4,3],[4,4],[4,5]]},"text":"Alessandro was beside a tyre stack and the desk (R6C6) was in his row, so he is in row 6; of its squares only R6C1 is beside a tyre stack in its own area (R5C1 and R6C2, in the Tyre Store) – R6C3 touches R6C2 too, but from another area, the Engineers' Room: <b>Alessandro is at R6C1.</b> Row 6 and column 1 are his. Donatella was in a corner of her area, with somebody two rows north of her; outside Alessandro's row and column that leaves her R4C2, R4C5, R5C3 and R5C4. If she were in row 4, somebody beside the cart would have to be in row 2 – but the squares beside the cart (R3C3) are R3C2, R3C4 and R4C3 (R2C3 above it is the racing car), none of them in row 2 – so R4C2 and R4C5 are out. R5C3 and R5C4 are both in row 5: row 5 is hers, and R5C2, R5C5 and R5C6 are empty. So the person beside the cart was in row 3, at R3C2 or R3C4, and as a row holds only one person, the rest of row 3 is empty: R3C5 and R3C6."},{"place":["B"],"cand":{"C":[[3,2]],"D":[[5,4]],"E":[[2,6]],"V":[[2,6],[3,2],[3,4],[4,2],[4,4],[4,5]]},"text":"Column 6 has a single square where anybody can be, R2C6: R1C6 is the scoreboard, R4C6 the computer and R6C6 the desk, and R3C6 and R5C6 were just emptied. Only Enzo or Valentina can be at R2C6, but somebody must be there, so the rest of row 2 is empty: R2C2 and R2C4. Beatrice was the only one beside the racing car (R2C3), so she had R1C3, R2C2 and R2C4 – with the last two gone, <b>Beatrice is at R1C3.</b>"},{"place":["C","D"],"cand":{"E":[[2,6]],"V":[[2,6],[4,5]]},"text":"Beatrice's row and column cross out two of Carlo's three squares: he was beside a stool (R1C4 or R4C2), which left him R1C5, R3C2 and R4C3, and R1C5 is in row 1, R4C3 in column 3: <b>Carlo is at R3C2.</b> Donatella's squares were R5C3 and R5C4; R5C3 is in Beatrice's column, so R5C4 remains: <b>Donatella is at R5C4.</b>"},{"place":["E","V"],"cand":{},"text":"Enzo was not in the Garage, because the cart was not in his area. Row 1 is Beatrice's, row 3 Carlo's, row 5 Donatella's and row 6 Alessandro's, R2C1 is in Alessandro's column, and R2C2 and R2C4 are empty, so only R2C6 is left: <b>Enzo is at R2C6.</b> Valentina made no statement, so her square follows from the others': only row 4 and column 5 are still free, which leaves R4C5: <b>Valentina is at R4C5.</b> It is in the Garage, where the only other person is Carlo, at R3C2."},{"final":true,"text":"Case closed: Valentina was alone in the Garage with Carlo, the team principal – the man she had told that she would leave for a rival team after the race. <b>Carlo is the murderer!</b>"}],"solver":{"rules":[],"occupiable":["stool","chair"]},"verification":{"tool":"tools/murdoku_solver.py","unique":true,"guessFree":true,"checked":"2026-10-18"},"score":4.1115}