{"id":16261,"date":"2021-08-06T09:00:13","date_gmt":"2021-08-06T16:00:13","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=16261"},"modified":"2022-06-15T07:54:57","modified_gmt":"2022-06-15T14:54:57","slug":"japanese-sums-by-jinhoo-ahn","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2021\/08\/japanese-sums-by-jinhoo-ahn\/","title":{"rendered":"Japanese Sums by JinHoo Ahn"},"content":{"rendered":"<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2021\/210806-JapaneseSums-MultiplesOf3.png\" alt=\"Japanese Sums by JinHoo Ahn\"><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2021\/210806-JapaneseSums-MultiplesOf3.pdf\">PDF<\/a><\/p>\n<p>or <a href=https:\/\/gmpuzzles.com\/s\/210806Mult>solve online<\/a> (using our beta test of Penpa-Edit tools; use tab to shift between number entry and shading modes.)<\/p>\n<p><b>Theme:<\/b> Multiples of 3<\/p>\n<p><b>Author\/Opus:<\/b> This is the 27th puzzle from our contributing puzzlemaster JinHoo Ahn.<\/p>\n<p><b>Rules:<\/b> Place the digits <b><u>1-7<\/u><\/b> (1-9 for the example) in some of the cells, so that no digit is repeated in any row or column. Numbers on the outside of the grid indicate the sums of adjacent digit groups in that row or column, in order. Each sum is separated by at least one unused cell.<\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2021\/JapaneseSums-Ex.png\" alt=\"Japanese Sums Example\" width=500><\/p>\n<p><b>Difficulty:<\/b> 3.5 stars<\/p>\n<p><b>Time Standards (highlight to view):<\/b> <span style=\"color:white;background-color:white;\">Grandmaster = 4:00, Master = 8:45, Expert = 17:30<\/span><\/p>\n<p><b>Solution:<\/b> <a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2021\/210806-JapaneseSums-MultiplesOf3-soln.pdf\">PDF<\/a>; a solution video is also available <a href=https:\/\/youtu.be\/Fmq04a54hhI>here<\/a>.<\/p>\n<p><b>Note:<\/b> Follow this link for other <a href=\"https:\/\/www.gmpuzzles.com\/blog\/category\/numberplacement\/japanese-sums\/\">Japanese Sums<\/a> puzzles.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PDF or solve online (using our beta test of Penpa-Edit tools; use tab to shift between number entry and shading modes.) Theme: Multiples of 3 Author\/Opus: This is the 27th puzzle from our contributing puzzlemaster JinHoo Ahn. Rules: Place the digits 1-7 (1-9 for the example) in some of the cells, so that no digit [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[199,3],"tags":[17,82,86],"class_list":["post-16261","post","type-post","status-publish","format-standard","hentry","category-japanese-sums","category-puzzle","tag-fridaysaturday","tag-classic","tag-japanesesums"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Japanese Sums by JinHoo Ahn - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"With all the common clues being multiples of 3, the break-ins to start this Japanese Sums puzzle by JinHoo Ahn may be tough to find.\" \/>\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\/08\/japanese-sums-by-jinhoo-ahn\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Japanese Sums by JinHoo Ahn - The Art of Puzzles\" \/>\n<meta property=\"og:description\" content=\"With all the common clues being multiples of 3, the break-ins to start this Japanese Sums puzzle by JinHoo Ahn may be tough to find.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gmpuzzles.com\/blog\/2021\/08\/japanese-sums-by-jinhoo-ahn\/\" \/>\n<meta property=\"og:site_name\" content=\"The Art of Puzzles\" \/>\n<meta property=\"article:published_time\" content=\"2021-08-06T16:00:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-15T14:54:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2021\/210806-JapaneseSums-MultiplesOf3.png\" \/>\n<meta name=\"author\" content=\"JinHoo Ahn\" \/>\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=\"JinHoo Ahn\" \/>\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\\\/08\\\/japanese-sums-by-jinhoo-ahn\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/08\\\/japanese-sums-by-jinhoo-ahn\\\/\"},\"author\":{\"name\":\"JinHoo Ahn\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/0fb79f09bcd17db08815f3b3df93d020\"},\"headline\":\"Japanese Sums by JinHoo Ahn\",\"datePublished\":\"2021-08-06T16:00:13+00:00\",\"dateModified\":\"2022-06-15T14:54:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/08\\\/japanese-sums-by-jinhoo-ahn\\\/\"},\"wordCount\":126,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/08\\\/japanese-sums-by-jinhoo-ahn\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2021\\\/210806-JapaneseSums-MultiplesOf3.png\",\"keywords\":[\"fri\\\/sat\",\"classic\",\"japanesesums\"],\"articleSection\":[\"Japanese Sums\",\"Puzzle\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/08\\\/japanese-sums-by-jinhoo-ahn\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/08\\\/japanese-sums-by-jinhoo-ahn\\\/\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2021\\\/08\\\/japanese-sums-by-jinhoo-ahn\\\/\",\"name\":\"Japanese Sums by JinHoo Ahn - 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