{"id":2861,"date":"2013-12-15T09:00:27","date_gmt":"2013-12-15T17:00:27","guid":{"rendered":"http:\/\/www.gmpuzzles.com\/blog\/?p=2861"},"modified":"2022-08-09T16:36:58","modified_gmt":"2022-08-09T23:36:58","slug":"sunday-surprise-11-basement-skyscraper-sudoku","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2013\/12\/sunday-surprise-11-basement-skyscraper-sudoku\/","title":{"rendered":"Sunday Surprise #11 &#8211; Basement Skyscraper Sudoku"},"content":{"rendered":"<p>I&#8217;m sure many of you were expecting ANOTHER version of the Christmas Tree puzzle from the last two weeks. I mean, I did get a very nice <a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles\/131206-StarBattle-Christmas-DB.pdf\">Double Back<\/a> from Robert Vollmert (which cannot be confused as a Star Battle or a LITS). But posting such a puzzle wouldn&#8217;t be a surprise.<\/p>\n<p>No, today&#8217;s Sunday Surprise comes from the pile of submissions I&#8217;ve received over the year from Hans van Stippent, who played with the usual rules of Skyscrapers a bit by hiding some of the cells from consideration. It yielded a very interesting puzzle which is Hans&#8217; gift to you this Sunday.<\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles\/SS11-SubSkyscraperSudoku.png\" alt=\"Basement Skyscraper Sudoku by Hans van Stippent\"><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles\/SS11-SubSkyscraperSudoku.pdf\">PDF<\/a><\/p>\n<p>or <a href=https:\/\/gmpuzzles.com\/s\/131215SubS>solve online<\/a> (using our beta test of Penpa-Edit tools)<\/p>\n<p><b>Theme:<\/b> New Variation\/Logic<\/p>\n<p><b>Rules:<\/b> Standard <a href=\"https:\/\/www.gmpuzzles.com\/blog\/sudoku-rules-and-info\/\" \/>Sudoku<\/a> rules. Also, standard <a href=\"https:\/\/www.gmpuzzles.com\/blog\/skyscrapers-rules-and-info\/\" \/>Skyscrapers<\/a> rules. Additionally, the cells in gray are &#8220;underground&#8221; and cannot be seen for any of the outside skyscraper clues (think of them as starting with a negative sign if necessary). As an example, the 4 in row 2 refers only to seeing four buildings in columns 3 through 7, even if there is a 9 in column 1 or column 2 as that 9 cannot be seen.<\/p>\n<p><b>Answer String:<\/b> Enter the 1st row from left to right, followed by a comma, followed by the 9th row from left to right.<\/p>\n<p><b>Solution:<\/b> <a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles\/SS11-SubSkyscraperSudoku-soln.pdf\">PDF<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;m sure many of you were expecting ANOTHER version of the Christmas Tree puzzle from the last two weeks. I mean, I did get a very nice Double Back from Robert Vollmert (which cannot be confused as a Star Battle or a LITS). But posting such a puzzle wouldn&#8217;t be a surprise. No, today&#8217;s Sunday [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[137,34,3,55,126],"tags":[8,35,56,57],"class_list":["post-2861","post","type-post","status-publish","format-standard","hentry","category-surprise","category-skyscrapers","category-puzzle","category-variation","category-othersudoku","tag-sudoku-3","tag-skyscrapers-2","tag-variation-2","tag-sundaysurprise"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sunday Surprise #11 - Basement Skyscraper Sudoku - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"In this clever twist of Skyscraper Sudoku by Hans van Stippent, some of the cells are underground and cannot be seen when looking at building heights.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.gmpuzzles.com\/blog\/2013\/12\/sunday-surprise-11-basement-skyscraper-sudoku\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sunday Surprise #11 - Basement Skyscraper Sudoku - The Art of Puzzles\" \/>\n<meta property=\"og:description\" content=\"In this clever twist of Skyscraper Sudoku by Hans van Stippent, some of the cells are underground and cannot be seen when looking at building heights.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gmpuzzles.com\/blog\/2013\/12\/sunday-surprise-11-basement-skyscraper-sudoku\/\" \/>\n<meta property=\"og:site_name\" content=\"The Art of Puzzles\" \/>\n<meta property=\"article:published_time\" content=\"2013-12-15T17:00:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-08-09T23:36:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.gmpuzzles.com\/images\/puzzles\/SS11-SubSkyscraperSudoku.png\" \/>\n<meta name=\"author\" content=\"Grandmaster Puzzles\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@drsudoku\" \/>\n<meta name=\"twitter:site\" content=\"@drsudoku\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Grandmaster Puzzles\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2013\\\/12\\\/sunday-surprise-11-basement-skyscraper-sudoku\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2013\\\/12\\\/sunday-surprise-11-basement-skyscraper-sudoku\\\/\"},\"author\":{\"name\":\"Grandmaster Puzzles\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/e71ab706a4c2ba19288b4a6f7535cc45\"},\"headline\":\"Sunday Surprise #11 &#8211; 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