Procedure: main by Hans

Description of the procedure:
procedure main
color white
left 30
color red
go 100
right 120
color blue
go 100
right 120
color green
go 100
color black
go 100
color yellow
left 120
go 100

Source:

procedure main
color white
left 30
color red
go 100
right 120
color blue
go 100
right 120
color green
go 100
color black
go 100
color yellow
left 120
go 100
color orange
left 120
go 100
end