step
	step_name passo1
	step_fg
		fig_pt 100,0 100,0
		fig_ln 100,0 100,0 150,0 150,0
	step_bg
		fig_pt 200,0 200,0
		fig_ln 200,0 200,0 250,0 250,0
		fig_pg 10 10 20 10 15 20
	step_stat
		var v1 v1
		
step
	step_name passo2
	step_fg
		fig_pt 200,0 200,0
		fig_ln 200,0 200,0 300,0 300,0
	step_stat
		var v1 v2