Use symmetry finder to pick target hills, and weaken offense effect a bit
Use symmetry finder to pick target hills, and weaken offense effect a bit

Signed-off-by: Nicolai Hähnle <1d0b47a508f04184301062f109cd46e4b3383bfb@gmail.com>

nhaehnle/aiant,nhaehnle/aiant,nhaehnle/aiant