Its a great map, but I have some suggestions:
- Make a variation with 4 big squares instead of the medium squares. You won't believe how griefable the squares are.
- Make the center row/column 5 blocks lower than the other two. A major exploit in the map is the towers, becuase you can snipe people straight off bridges and columns like a hawk. If the center columns are lower, the snipers will find it harder to kill the people traveling through them.