{"id":680,"date":"2025-12-18T16:12:44","date_gmt":"2025-12-18T03:12:44","guid":{"rendered":"https:\/\/thesudoku.com\/blog\/?page_id=680"},"modified":"2025-12-22T10:58:17","modified_gmt":"2025-12-21T21:58:17","slug":"unique-rectangle-type-1","status":"publish","type":"page","link":"https:\/\/thesudoku.com\/blog\/unique-rectangle-type-1\/","title":{"rendered":"Unique Rectangle Type 1"},"content":{"rendered":"\n
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< <\/a>Back<\/a><\/p>\n<\/div>\n\n\n\n

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Unique Rectangle Type 1<\/p>\n\n\n\n

The following four Unique Rectangle techniques are quite similar, with only a few small differences. Let\u2019s take a look at the first one – Unique Rectangle Type 1<\/p>\n\n\n\n

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  1. Take a look at this example. We have three pure bi-value cells and one cell containing an additional candidate. So we are looking at Unique Rectangle Type 1<\/li>\n<\/ol>\n\n\n\n
    \"Unique<\/figure>\n<\/div>\n\n\n\n
    \n
    \n\n\n\n
      \n
    1. If 3 or 9 were placed in this cell, it would create what some refer to as a “deadly pattern” because the puzzle would no longer be unique – we would get more than one valid solution for this grid configuration. So we can safely remove this pair from the cell<\/li>\n<\/ol>\n\n\n\n
      \"Unique<\/figure>\n<\/div>\n<\/div>\n\n\n\n
      \n\n\n\n
      \n

      < <\/a>X-Loop<\/a><\/p>\n\n\n\n

      Unique Rectangle Type 2<\/a>><\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n

      <\/p>\n","protected":false},"excerpt":{"rendered":"

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