Ham 'Em High 12-12 is the twelfth level in Ham 'Em High. There is a Golden Egg in this level. See this page for more information about that Golden Egg.
Fire the two Blue birds into the left side of the main ice tower. With a little luck, the falling tower will take out the pigs on either extreme of the central tower.
Launch the first Blue bird through the first small structure. Fire the next two Blue birds through the middle ice tower.