A = (-1.3, 0.7)
B = (3.1, 2.5)
a = Line(A, B)
G_1 = (-2.7, 4.08)
G_2 = (-3.66, 0.9)
G_3 = (-1.1, 3.36)
G_6 = (3.54, 4.56)
G_4 = (8.42, 5.18)
G_5 = (-5.84, -0.62)
D_1 = (-5.06, -1.24)
D_2 = (-1.14, -2.58)
D_3 = (2.24, 1.42)
D_4 = (10.3, 2.52)
D_5 = (8.52, 4.06)
D_6 = (4.92, -1.46)