{"format":"murdoku-puzzle/1","id":"lake","version":1,"difficulty":"easy","level":3,"size":{"rows":5,"cols":5},"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":"划艇湖","tagline":"维多利亚时代的城市公园 · 1895年7月的一个星期日 · 水面上的三条船","author":"mathace","concept":"Murdoku – Manuel Garand (murdoku.com); unofficial fan-made case","created":"2026-09-29","story":"伦敦，1895年7月一个炎热的星期日下午。市立公园里，铜管乐队正在调音，三条划艇在湖面上漂荡，玫瑰园繁花盛开，咖啡馆露台在树荫下供应柠檬水。银行家 Vyvyan 以从不给小费闻名，他带着报纸在露台的桌子旁坐了下来。下午四点乐队奏响时，人们发现他瘫倒在那张桌子旁边。当时只有四个人在他附近，每个人都给出了一句话的陈述——找出谁曾与他独处。","rules":{"standard":["每一行和每一列恰好有一个人。一旦放下某人，就划掉他所在的整行和整列。","“旁边” = 正左、正右、正上或正下，并且在同一个区域内。有物件的方格（桌子、花坛、水、浮标和喷泉）不能被占用；椅子、划艇和长椅可以。","凶手曾与受害者独处：那个区域里没有其他人。"],"special":[]},"roleNames":{"visitor":"访客","staff":"员工","victim":"受害者"},"personGroups":[{"id":"visitors","name":"访客","persons":["A","B","V"]},{"id":"staff","name":"公园员工","persons":["C","D"]}],"map":{"groups":[],"gaps":[],"areas":[{"id":"Café Terrace","cells":[[1,1],[1,2],[1,3],[2,1],[2,2],[3,1]],"fill":"#f1e3cf","pattern":"tiles","labelAt":[2,2],"name":"咖啡馆露台"},{"id":"Lake","cells":[[2,3],[2,4],[3,2],[3,3],[3,4],[4,2],[4,3]],"fill":"#cfe3ee","labelAt":[3,3],"name":"湖"},{"id":"Boathouse","cells":[[4,1],[5,1],[5,2]],"fill":"#e2d3b8","pattern":"planks","labelAt":[5,2],"name":"船屋"},{"id":"Rose Garden","cells":[[1,4],[1,5],[2,5],[3,5],[4,4],[4,5],[5,3],[5,4],[5,5]],"fill":"#f3dde3","pattern":"marble","labelAt":[4,4],"name":"玫瑰园"}],"objectTypes":{"bench":{"occupiable":true,"name":"长椅","icon":""},"boat":{"occupiable":true,"name":"划艇","icon":""},"chair":{"occupiable":true,"name":"椅子","icon":""},"buoy":{"occupiable":false,"name":"浮标","icon":""},"flowers":{"occupiable":false,"name":"花坛","icon":""},"fountain":{"occupiable":false,"name":"喷泉","icon":""},"table":{"occupiable":false,"name":"桌子","icon":""},"water":{"occupiable":false,"name":"水","icon":""}},"wallTypes":{},"objects":[{"cell":[1,1],"type":"chair"},{"cell":[1,2],"type":"table"},{"cell":[1,3],"type":"chair"},{"cell":[1,5],"type":"flowers"},{"cell":[2,1],"type":"flowers"},{"cell":[2,3],"type":"water"},{"cell":[2,4],"type":"boat"},{"cell":[3,2],"type":"boat"},{"cell":[3,3],"type":"water"},{"cell":[3,4],"type":"water"},{"cell":[3,5],"type":"bench"},{"cell":[4,1],"type":"chair"},{"cell":[4,2],"type":"water"},{"cell":[4,3],"type":"boat"},{"cell":[5,1],"type":"buoy"},{"cell":[5,4],"type":"fountain"}],"wallFeatures":[],"extras":[],"cellSize":46},"persons":[{"id":"A","name":"Adelaide","gender":"F","role":"visitor","color":"#c62828","avatar":{"bg":"#35607a","skin":"#f6d8c0","hair":"#7a4a2a","style":"bun","shirt":"#2f3b4c","necklace":true},"clue":"她在最后一列。","job":"利用下午休假的家庭教师","avatarSvg":"","solverRole":"visitor","constraints":[{"type":"col","cols":[5]}]},{"id":"B","name":"Barnabas","gender":"M","role":"visitor","color":"#2e7d32","avatar":{"bg":"#1b2a33","skin":"#e4b998","hair":"#e8e4dc","style":"short","shirt":"#264653","beard":true,"cap":true},"clue":"他坐在划艇里。","job":"退休的船长","avatarSvg":"","solverRole":"visitor","constraints":[{"type":"on","obj":"boat"}]},{"id":"C","name":"Clarissa","gender":"F","role":"staff","color":"#1565c0","avatar":{"bg":"#ad1457","skin":"#f3d3b5","hair":"#d9b464","style":"ponytail","shirt":"#e26d8a","headband":"#f2a53a"},"clue":"她在第一行。","job":"公园门口的卖花女","avatarSvg":"","solverRole":"staff","constraints":[{"type":"row","rows":[1]}]},{"id":"D","name":"Dudley","gender":"M","role":"staff","color":"#6a1b9a","avatar":{"bg":"#3f6a3a","skin":"#e7b98f","hair":"#3a2a1c","style":"short","shirt":"#5d4037","mustache":true,"mustacheColor":"#3a2a1c","cap":true},"clue":"他在花坛旁边。他不在桌子旁边。","job":"管船人","avatarSvg":"","solverRole":"staff","constraints":[{"type":"beside","obj":"flowers"},{"type":"not_beside","obj":"table"}]},{"id":"V","name":"Vyvyan","gender":"M","role":"victim","color":"#1b1b1b","avatar":{"bg":"#5a2a2a","skin":"#f1c8a5","hair":"#8a8278","style":"slick","shirt":"#1b1b1b","mustache":true,"mustacheColor":"#8a8278","tophat":"#1b1b1b"},"clue":"受害者。他被发现在咖啡馆露台，桌子旁边——与凶手独处。","job":"从不给小费的银行家","avatarSvg":"","solverRole":"visitor","constraints":[{"type":"area","areas":["Café Terrace"]},{"type":"beside","obj":"table"}]}],"victim":"V","murderer":"D","solution":{"C":[1,4],"V":[2,2],"D":[3,1],"B":[4,3],"A":[5,5]},"walkthrough":[{"place":["D"],"cand":{"A":[[2,5],[4,5],[5,5]],"B":[[2,4],[4,3]],"C":[[1,3],[1,4]]},"text":"Dudley 在花坛旁边，但不在桌子旁边。花坛在玫瑰园的 R1C5 和咖啡馆露台的 R2C1；同一区域内与它们相邻的方格是 R1C4、R2C5、R1C1、R2C2 和 R3C1——其中 R1C1 和 R2C2 同时也在桌子旁边。剩下 R1C4、R2C5 和 R3C1。R1C4 在第一行，而第一行是 Clarissa 唯一可能的行；R2C5 在最后一列，而最后一列是 Adelaide 唯一可能的列。所以 Dudley 在 R3C1，其他人都不能再用第 3 行和第 1 列。"},{"place":["B"],"cand":{"A":[[5,5]],"C":[[1,4]],"V":[[2,2]]},"text":"现在看列。Barnabas 在他的一条船里，位置是 R2C4 或 R4C3，而 Clarissa 在 R1C3 或 R1C4——两人一起占满第 3 列和第 4 列。Adelaide 占第 5 列，Dudley 占第 1 列，于是剩下第 2 列：它必须属于受害者。这一列的空格是 R2C2 和 R5C2（R1C2 是桌子，R4C2 是水，第 3 行属于 Dudley）。在 R5C2，受害者会独自待在船屋里——船屋的另外两个方格在 Dudley 的列中——但凶手当时与他在一起。所以受害者在第 2 行，Barnabas 不能用这一行：Barnabas 在 R4C3 的船里。"},{"place":["C","A"],"cand":{"V":[[2,2]]},"text":"第 3 列现在属于 Barnabas，所以 Clarissa 在 R1C4。第 2 行和第 4 行已被占用，所以 Adelaide 在 R5C5。"},{"final":true,"text":"结案：最后一个空格 R2C2 属于受害者——在咖啡馆露台，桌子旁边，正如他的卡片所说，尽管我们从未需要它。Vyvyan 当时在那里与管船人独处。Dudley 是凶手！"}],"solver":{"rules":[],"occupiable":["bench","boat","chair"]},"verification":{"tool":"tools/murdoku_solver.py","unique":true,"guessFree":true,"checked":"2026-09-29"}}