x 1000
y 1000
level 1
mode abbaaabba
sides 1
backgroundcolor 1 1 1
insidecolor 0.4 0 1
outsidecolor 1 1 1
size 20
line 3

init:
null

a:
fwd 40
left
fwd 40
left 
fwd 30
right
fwd 30
right
fwd 80
right
fwd 30
right
fwd 30
left
fwd 40
left
fwd 40

b:
fwd 100