Please see number 1 in the series (Are you a square?) for a full description of the walk, there is street parking available in the village of Weald.
The cache is not at the posted coordinates.
There is street parking available in the village of Weald. This is a relatively simple puzzle, the information below will help you to solve it and might assist with a slightly harder one placed close by.
The first example has a single square with a half size rectangle on each side. There are two small rectangles (1 unit), one square (2 units), two mid-size rectangles (3 units) and one large rectangle (4 units). A total of 6 rectangles

The second example has two layers with a single square with a half size rectangle on each side. There are four small rectangles (1 unit), two rectangle and two square (2 units), four mid-size rectangles (3 units), three large rectangle (4 units), two rectangles (6 units) and one large square (8 units). A total of 18 rectangles

To solve the puzzle you need to determine how many rectangles (N) there are in the following shape.

If N=ab, then the cache can be found at N51 12.(b+b/b)(a+a+a/a)(b/a) E000 9.(b+a/a)(a-a/a)(b/a)
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