G π 2

G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2G π 2