n1 = 0.91, n2 = 0.42, m1 = 0.87, m2 = 0.98
n1 = 0.91, n2 = 0.41, m1 = −0.87, m2 = 0.58
n1 = 0.899, n2 = 0.44, m1 = 0.999, m2 = −0.88