FNEL Centenaire Fleur de Lys #49: tents&trees5 Mystery Cache

In 2014, FNEL (Fédération Nationale des Eclaireurs et Eclaireuses du Luxembourg) will celebrate its centennial anniversary. This will be commemorated by many activities; one of them is Geocaching. From now on and til late 2014 many caches, a hundred? will be placed. Join us as we commemorate our past and celebrate our future.

Rules: The diagram depicts the map of a camping ground. A number on the left or top edge of the diagram indicates the number of tents in the corresponding row resp. column. Each tent is adjacent to at least one tree; tents are neither orthogonally nor diagonally adjacent.

Locate all the cells with tents in the diagram and do the sum of all the numbers using the provided grid (showing the numbers from 1 to 100).

Sum = E

The cachebox is hidden at N 49° 40.(E - 321) - E 006° 09.(E - 368)