x1	x2	y
80	170	76.5
80	180	77
90	170	78
90	180	79.5
85	175	79.9
85	175	80.3
85	175	80
85	175	79.7
85	175	79.8
92.07	175	78.4
77.93	175	75.6
85	182.07	78.5
85	167.93	77