def etapX(z):
	player.say("ETAP X")
	
	blocks.fill(BEDROCK, world(x-10,y-1,z-2), world(x+1,y+10,z+35), FillOperation.HOLLOW)
	
	blocks.fill(WYBRANY_BLOK, world(x-9,y-1,z+25), world(x+9,y-1,z+27))

	# Przeszkody etapu