x[1] = 66.0    y[1] = 72.0
x[2] = 46.0    y[2] = 41.0
x[3] = 87.0    y[3] = 93.0
x[4] = 82.0    y[4] = 82.0
x[5] = 42.0    y[5] = 41.0
x[6] = 72.0    y[6] = 64.0
x[7] = 31.0    y[7] = 27.0
x[8] = 69.0    y[8] = 68.0
x[9] = 84.0    y[9] = 79.0
x[10] = 68.0    y[10] = 67.0
x[11] = 50.0    y[11] = 57.0
x[12] = 90.0    y[12] = 90.0
x[13] = 85.0    y[13] = 87.0
x[14] = 29.0    y[14] = 29.0
x[15] = 76.0    y[15] = 75.0
x[16] = 69.0    y[16] = 66.0
x[17] = 84.0    y[17] = 78.0
x[18] = 35.0    y[18] = 31.0

w̓v
         = 64.722
    U     = 399.867
    W΍ = 19.997
    sΕU = 423.389

x̓v
         = 63.722
    U     = 432.978
    W΍ = 20.808
    sΕU = 458.448

U   = 408.034
֌W = 0.981
