{"id":693,"date":"2025-12-18T17:01:34","date_gmt":"2025-12-18T04:01:34","guid":{"rendered":"https:\/\/thesudoku.com\/blog\/?page_id=693"},"modified":"2026-08-20T16:47:48","modified_gmt":"2026-08-20T04:47:48","slug":"unique-rectangle-type-3","status":"publish","type":"page","link":"https:\/\/thesudoku.com\/blog\/unique-rectangle-type-3\/","title":{"rendered":"Unique Rectangle Type 3"},"content":{"rendered":"\n
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< <\/a>Back<\/a><\/p>\n<\/div>\n\n\n\n

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How to Master Unique Rectangle Type 3 in Sudoku<\/h1>\n\n\n\n

When extra candidates spill into two corners of a rectangle in different combinations, simple elimination isn’t enough. The Unique Rectangle Type 3 technique<\/strong> solves this by combining the uniqueness rule with traditional subset strategies.<\/p>\n\n\n\n

This technique combines the Unique Rectangle with the \u201cNaked\u201d \\ \u201cHidden\u201d techniques.<\/p>\n\n\n\n

Identifying Unique Rectangle Type 3<\/strong><\/h2>\n\n\n\n

Look for four cells forming a rectangle across two 3×3 blocks, two rows, and two columns:<\/p>\n\n\n\n

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\"Unique<\/figure>\n\n\n\n
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