poly1 6 1.5 8 1.5 5 3.5 2 7 2 7 4.5 4.5 8 poly2 12 3.5 8 1.5 6 1.5 2 4.5 2 5.5 4 4.5 8 6.5 7 8.5 7 8.5 9 6.5 9 6.5 7 4.5 8 line1 4 2 5 2 7.5 2 7.5 4 7.5 4.5 2.5 6.5 2.5 6.5 2.5 6.5 4 line2 4 4 2.5 2 2.5 2 2.5 2 5 8.5 7 8.5 9 8.5 9 6.5 9