{"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":"維多利亞時代的城市公園 · 1895年7月的一個星期日 · 水面上的三艘船","author":"mathace","concept":"Murdoku – Manuel Garand (murdoku.com); unofficial fan-made case","created":"2026-09-29","story":"倫敦，1895年7月一個炎熱的星期日下午。市立公園裡，銅管樂隊正在調音，三艘划艇在湖面上漂盪，玫瑰園繁花盛開，咖啡館露台在樹蔭下供應檸檬水。銀行家 Vyvyan 以從不給小費聞名，他帶著報紙在露台的桌子旁坐了下來。下午四點樂隊奏響時，人們發現他癱倒在那張桌子旁邊。當時只有四個人在他附近，每個人都給出了一句話的證詞——找出誰曾與他獨處。","rules":{"standard":["每一列（橫行）和每一欄（直行）恰好有一個人。一旦放下某人，就劃掉他所在的整列和整欄。","「旁邊」 = 正左、正右、正上或正下，並且在同一區域內。有物品的方格（桌子、花圃、水、浮標和噴泉）不能被佔用；椅子、划艇和長椅可以。","兇手曾與受害者獨處：那個區域裡沒有其他人。"],"special":[]},"roleNames":{"visitor":"訪客","staff":"員工","victim":"受害者"},"personGroups":[{"id":"visitors","name":"訪客","persons":["A","B","V"]},{"id":"staff","name":"公園員工","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":"咖啡館露台"},{"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":"玫瑰園"}],"objectTypes":{"bench":{"occupiable":true,"name":"長椅","icon":""},"boat":{"occupiable":true,"name":"划艇","icon":""},"chair":{"occupiable":true,"name":"椅子","icon":""},"buoy":{"occupiable":false,"name":"浮標","icon":""},"flowers":{"occupiable":false,"name":"花圃","icon":""},"fountain":{"occupiable":false,"name":"噴泉","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":"她在最後一欄。","job":"利用下午休假的家庭教師","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":"他坐在划艇裡。","job":"退休的船長","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":"她在第一列。","job":"公園門口的賣花女","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":"他在花圃旁邊。他不在桌子旁邊。","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。他被發現在咖啡館露台，桌子旁邊——與兇手獨處。","job":"從不給小費的銀行家","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 在花圃旁邊，但不在桌子旁邊。花圃在玫瑰園的 R1C5 和咖啡館露台的 R2C1；同一區域內與它們相鄰的方格是 R1C4、R2C5、R1C1、R2C2 和 R3C1——其中 R1C1 和 R2C2 同時也在桌子旁邊。剩下 R1C4、R2C5 和 R3C1。R1C4 在第一列，而第一列是 Clarissa 唯一可能的列；R2C5 在最後一欄，而最後一欄是 Adelaide 唯一可能的欄。所以 Dudley 在 R3C1，其他人都不能再用第 3 列和第 1 欄。"},{"place":["B"],"cand":{"A":[[5,5]],"C":[[1,4]],"V":[[2,2]]},"text":"現在看欄。Barnabas 在他的一艘船裡，位置是 R2C4 或 R4C3，而 Clarissa 在 R1C3 或 R1C4——兩人一起佔滿第 3 欄和第 4 欄。Adelaide 佔第 5 欄，Dudley 佔第 1 欄，於是剩下第 2 欄：它必須屬於受害者。這一欄的空格是 R2C2 和 R5C2（R1C2 是桌子，R4C2 是水，第 3 列屬於 Dudley）。在 R5C2，受害者會獨自待在船屋裡——船屋的另外兩個方格在 Dudley 的欄中——但兇手當時與他在一起。所以受害者在第 2 列，Barnabas 不能用這一列：Barnabas 在 R4C3 的船裡。"},{"place":["C","A"],"cand":{"V":[[2,2]]},"text":"第 3 欄現在屬於 Barnabas，所以 Clarissa 在 R1C4。第 2 列和第 4 列已被佔用，所以 Adelaide 在 R5C5。"},{"final":true,"text":"結案：最後一個空格 R2C2 屬於受害者——在咖啡館露台，桌子旁邊，正如他的卡片所說，儘管我們從未需要它。Vyvyan 當時在那裡與管船人獨處。Dudley 是兇手！"}],"solver":{"rules":[],"occupiable":["bench","boat","chair"]},"verification":{"tool":"tools/murdoku_solver.py","unique":true,"guessFree":true,"checked":"2026-09-29"}}