u_null = [290.7000, 278.8900, 266.3267, 252.7233, 241.7267, 227.6133, 216.2000, 207.7800, 198.5967, 188.2933, 175.1767, 164.2967, 155.4767, 145.1400, 133.3733, 122.5867, 115.3633, 104.2300, 92.8067, 80.5200, 63.4667, 56.7203, 49.4017, 43.4863]

i_null = [5.0187, 4.1973, 3.4819, 2.8771, 2.5165, 2.1780, 1.9745, 1.8496, 1.7293, 1.6053, 1.4721, 1.3615, 1.2783, 1.1902, 1.0870, 0.9980, 0.9350, 0.8462, 0.7592, 0.6681, 0.5485, 0.5074, 0.4667, 0.4412]