{"id":18764,"date":"2021-12-29T09:02:04","date_gmt":"2021-12-29T17:02:04","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=18764"},"modified":"2021-12-30T07:05:46","modified_gmt":"2021-12-30T15:05:46","slug":"pentominous-spiral-galaxies-by-serkan-yurekli","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2021\/12\/pentominous-spiral-galaxies-by-serkan-yurekli\/","title":{"rendered":"Pentominous (Spiral Galaxies) by Serkan Y\u00fcrekli"},"content":{"rendered":"<p><i>See more discussion of the puzzles from the United States&#8217; 2021 Puzzle Grand Prix on <a href=https:\/\/www.gmpuzzles.com\/blog\/2021\/12\/2021-puzzle-grand-prix-us-round-retrospective\/>this post<\/a>. Note there are some construction details and potential spoilers on that post so view it after you solve.<\/i><\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2021\/211229-PentominousSpiralGalaxies-Combo.png\" alt=\"Pentominous by Serkan Y\u00fcrekli\"><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2021\/211229-PentominousSpiralGalaxies-Combo.pdf\">PDF<\/a><\/p>\n<p>or <a href=https:\/\/gmpuzzles.com\/s\/211229PeSpGP>solve online<\/a> (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line\/edge drawing and a letter entry mode.)<\/p>\n<p><b>Author\/Opus:<\/b> This is the 353rd puzzle from our managing editor Serkan Y\u00fcrekli.<\/p>\n<p><b>Rules:<\/b> Standard <a href=\"https:\/\/www.gmpuzzles.com\/blog\/pentominous-rules-info\/\">Pentominous<\/a> rules. Also, some circle clues are given in the grid which must be at the center of symmetry for a rotationally-symmetric pentomino shape.<\/p>\n<p><b>Difficulty:<\/b> 2.5 stars (estimate based off competition points; timing standards not available from our usual testers)<\/p>\n<p><b>Solution:<\/b> <a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2021\/211229-PentominousSpiralGalaxies-Combo-soln.pdf\">PDF<\/a><\/p>\n<p><b>Note:<\/b> Follow this link for other <a href=\"https:\/\/www.gmpuzzles.com\/blog\/tag\/pentominous\/\">Pentominous puzzles<\/a>. If you are new to this puzzle type, here are our <a href=https:\/\/www.gmpuzzles.com\/blog\/tag\/pentominous+classic+mondaytuesday\/>easiest Pentominous<\/a> to get started on. More Pentominous puzzles can be found in the <a href=https:\/\/www.gmpuzzles.com\/store\/puzzle-collections><i>Plenty o&#8217; Pentominous<\/i><\/a> series by Grant Fikes and Murat Can Tonta and in our beginner-friendly collection <a href=https:\/\/www.gmpuzzles.com\/store\/intro-to-gmpuzzles><i>Intro to GMPuzzles<\/i><\/a> by Serkan Y\u00fcrekli.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>See more discussion of the puzzles from the United States&#8217; 2021 Puzzle Grand Prix on this post. Note there are some construction details and potential spoilers on that post so view it after you solve. PDF or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[113,168,3,55],"tags":[15,56,155,169],"class_list":["post-18764","post","type-post","status-publish","format-standard","hentry","category-pentominous","category-spiral-galaxies","category-puzzle","category-variation","tag-wednesdaythursday","tag-variation-2","tag-pentominous","tag-spiralgalaxies"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pentominous (Spiral Galaxies) by Serkan Y\u00fcrekli - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"This Pentominous (Spiral Galaxies) puzzle by Serkan Y\u00fcrekli was part of the 2021 Puzzle Grand Prix: US Round.\" \/>\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\/2021\/12\/pentominous-spiral-galaxies-by-serkan-yurekli\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pentominous (Spiral Galaxies) by Serkan Y\u00fcrekli - The Art of Puzzles\" \/>\n<meta property=\"og:description\" content=\"This Pentominous (Spiral Galaxies) puzzle by Serkan Y\u00fcrekli was part of the 2021 Puzzle Grand Prix: US Round.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gmpuzzles.com\/blog\/2021\/12\/pentominous-spiral-galaxies-by-serkan-yurekli\/\" \/>\n<meta property=\"og:site_name\" content=\"The Art of Puzzles\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-29T17:02:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-12-30T15:05:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2021\/211229-PentominousSpiralGalaxies-Combo.png\" \/>\n<meta name=\"author\" content=\"Serkan Y\u00fcrekli\" \/>\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=\"Serkan Y\u00fcrekli\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/12\\\/pentominous-spiral-galaxies-by-serkan-yurekli\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/12\\\/pentominous-spiral-galaxies-by-serkan-yurekli\\\/\"},\"author\":{\"name\":\"Serkan Y\u00fcrekli\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/6f0e4e4f6a1bb9ded1467511ad609276\"},\"headline\":\"Pentominous (Spiral Galaxies) by Serkan Y\u00fcrekli\",\"datePublished\":\"2021-12-29T17:02:04+00:00\",\"dateModified\":\"2021-12-30T15:05:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/12\\\/pentominous-spiral-galaxies-by-serkan-yurekli\\\/\"},\"wordCount\":182,\"commentCount\":2,\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/12\\\/pentominous-spiral-galaxies-by-serkan-yurekli\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2021\\\/211229-PentominousSpiralGalaxies-Combo.png\",\"keywords\":[\"wed\\\/thurs\",\"variation\",\"Pentominous\",\"spiralgalaxies\"],\"articleSection\":[\"Pentominous\",\"Spiral Galaxies\",\"Puzzle\",\"Variation\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/12\\\/pentominous-spiral-galaxies-by-serkan-yurekli\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/12\\\/pentominous-spiral-galaxies-by-serkan-yurekli\\\/\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/12\\\/pentominous-spiral-galaxies-by-serkan-yurekli\\\/\",\"name\":\"Pentominous (Spiral Galaxies) by Serkan Y\u00fcrekli - 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