3 (20 points, Exercise 12.3) Write a program that meets the following requirements: e and set its 1 [2] Create two panels, place one panel on the south of the frame, and place other one on the center of the frame. 13] Each panel contains three buttons. The panel uses GridLayout of two by two. 4 (20 points, Exercise 12.5) Write a program that displays four lines of text in four labels