8x8 Spring Trap/ Bomb

I was thinking, for how huge a TH 10 base can be, there are only 6 of each. My current layout takes up the entire grid and is completely symmetric; having four sides in symmetry with mortars, wizard towers, air defenses, and storages. I find that only 6 of each

Duplicate threads are not allowed.

Eight bombs isn't a bad idea. I'm gonna have to say no to the eight springs because hogs are already balanced at TH10.