xi1 xi2 x1 x2 y 80.00 170.00 -1.000 -1.000 76.5 80.00 180.00 -1.000 1.000 77.0 90.00 170.00 1.000 -1.000 78.0 90.00 180.00 1.000 1.000 79.5 85.00 175.00 0.000 0.000 79.9 85.00 175.00 0.000 0.000 80.3 85.00 175.00 0.000 0.000 80.0 85.00 175.00 0.000 0.000 79.7 85.00 175.00 0.000 0.000 79.8 92.07 175.00 1.414 0.000 78.4 77.93 175.00 -1.414 0.000 75.6 85.00 182.07 0.000 1.414 78.5 85.00 167.93 0.000 -1.414 77.0