<brushes>
<brush>
variable_0_15 0 15 10 50 70
</brush>
<brush>
constant_10 10 10 10 50 70
</brush>
<brush>
constant_15 15 15 10 50 70
</brush>
<brush>
airbrush_20_100 20 100 100 20 30
</brush>
<brush>
ink_1_15 1 15 70 90 100
</brush>
<brush>
pencil_1_10 1 10 70 80 30
</brush>
</brushes>