Procedure: by

Description of the procedure:

Source:

procedure main
color red
go 1
up
go 10
down
color green
go 19
up
go 10
down
color yellow
go 13
up
go 10
down
color bleu
go 7
up
go 1
down
color orange
go 10
up
go 10
down
color black
go 10
end