G m2

G m2G m2G m2G m2G m2G m2
G m2G m2G m2G m2G m2G m2
G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2G m2