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![Absolutely Nasty® Sudoku Level 4 by Frank Longo](https://558130.bdp32.group/rails/active_storage/representations/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBCTkFsTWdFPSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--ba278c2e4c6fa6fc8701eb2ab3db1757d38eabe4/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RkhKbGMybDZaVjkwYjE5c2FXMXBkRnNIYVFJc0FXa0M5QUU9IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--038335c90cf75c275ae4d36968ac417dc4a0a3e3/Absolutely%20Nasty%C2%AE%20Sudoku%20Level%204.jpg)
160 pages • first pub 2007 (editions)
ISBN/UID: 9781402743993
Format: Paperback
Language: English
Publisher: Puzzlewright
Publication date: 01 March 2007
Description
Top solvers can try their hand at the One-Sided Gordonian Rectangle; Extended Gordonian Rectangle; Gordonian Polygon; and Alternating Digits. (But they can take comfort in knowing that no more than one will occur in any single puzzle.)
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![Absolutely Nasty® Sudoku Level 4 by Frank Longo](https://558130.bdp32.group/rails/active_storage/representations/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBCTkFsTWdFPSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--ba278c2e4c6fa6fc8701eb2ab3db1757d38eabe4/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RkhKbGMybDZaVjkwYjE5c2FXMXBkRnNIYVFJc0FXa0M5QUU9IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--038335c90cf75c275ae4d36968ac417dc4a0a3e3/Absolutely%20Nasty%C2%AE%20Sudoku%20Level%204.jpg)
160 pages • first pub 2007 (editions)
ISBN/UID: 9781402743993
Format: Paperback
Language: English
Publisher: Puzzlewright
Publication date: 01 March 2007
Description
Top solvers can try their hand at the One-Sided Gordonian Rectangle; Extended Gordonian Rectangle; Gordonian Polygon; and Alternating Digits. (But they can take comfort in knowing that no more than one will occur in any single puzzle.)