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HELP

function f(x) { y = 1/0 ; return y }

aX = 4; bX = 16; aY = 4; bY = 13
Dx = 1; Dy = 1

L1x=[5,7,7,9,9,13,13,15,15,13,7,6,6,5,5]
L1y=[5,7,5,5,7,7, 5, 5, 9,11,11,9,7,6,5]
L2x=[7,8,8,8,9,10,10,8]
L2y=[7,8,10,7,7,8,10,11]
L3x=[8,8]; L3y=[5,6]
L4x=[14,14]; L4y=[5,7]
L5x=[13,15]; L5y=[11,10] 
Q2x=[7]; Q2y=[10]

linew=3