Subtask 
-------- 
Dilation SE5
Dilation SE3
 Erosion SE5
 Erosion SE3
Iterate 3 Dilation SE8
Iterate 3  Erosion SE8

Subtask 
-------- 
Dilation SE1
Dilation SE7
 Erosion SE1
 Erosion SE7
Iterate 3 Dilation SE8
Iterate 3  Erosion SE8

Subtask 
-------- 
Dilation SE1
Dilation SE4
 Erosion SE1
 Erosion SE4
Iterate 3 Dilation SE8
Iterate 3  Erosion SE8