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[[File:Riverside_Trail-01-sam.jpg|200px|thumb|right|'''Riverside Trail''' example, From: 23rd WPC Instrucion Booklet © 2014, UK Puzzle Association]] '''Riverside Trail'''(待定中文名:過橋小路) 。 ==Rules / 规则== Draw a trail which starts and ends at the flag in the top left corner of the grid and visits every cell except for those occupied by a tree. The trail moves orthogonally between the centre of cells and does not touch or cross itself. The river, denoted by a bold line, can only be crossed at the given bridges. There is no requirement to cross every bridge. 從表格左上角的旗幟開始, 畫一條環狀的路徑回到原點。這條路徑必須經過表格中除了樹以外的每個格子。而路徑本身只能直向或橫向連接, 且不能碰到或跨越自己。 河(粗線)本身除了有橋在其上之外, 視為一種阻擋, 路徑不得跨越。另外, 不一定要通過所有的橋。 ==Solving techniques / 解题技巧== *只要把河當成邊, 有橋的地方稍微留意一下可以走, 其他和原題型相較沒有什麼特別技巧。 [[File:Riverside_Trail-01-sol.jpg|200px|thumb|right|'''Riverside Trail''' example solution, From: 23rd WPC Instrucion Booklet © 2014, UK Puzzle Association]] ==History / 历史== *曾出現於第23屆WPC Round 2 第3題 ==See also / 相关词条== *[[Woodland Trail]] ==References / 参考资料== *[http://www.uk2014.org/] 23rd WPC 官網 ==External links / 拓展阅读== *To be edited [[Category:Puzzlelist]] [[Category:Make_the_Loop]]
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