Pig Dipper 6-12

Pig Dipper 6-12 is the 12th level in Pig Dipper. The objective of level 6-12 is to use the birds to eliminate all the pigs. Get at least 105000 points for 3 stars.

Difficulty
Because of these reasons, this is one of the extremely difficult to complete and get 3 stars.
 * The rightmost fortress is hard to break to get more points.
 * This level is extremely hard for three stars and the fortress is complex.

Strategy
Fire the first Bubbles barely within the northern gravitational field, destroying everything on the west side of the target planet. Fire the Ice bird just north of the west planet, causing it to dip and jump and eventually freeze the eastern structure.