every 5 seconds:
        loop {stage::*}:
                if {stage.state} is red:
                        set blocks at loop-value to yellow stained clay
                        #set {stage.state} to yellow
                else if {stage.state} is yellow:
                        set block at loop-value to orange stained clay
                        #set {stage.state} to orange
                else if {stage.state} is orange:
                        set block at loop-value to red stained clay
                        #set {stage.state} to red
	if {stage.state} is red:
		set {stage.state} to yellow