$lvlspan = [
	[15,1],
	[20,1],
	[25,1.5],
	[30,1.5],
	[35,2],
	[40,2.5],
	[45,5],
	[50,5.5],
	[55,7.5],
	[60,8.5],
	[65,11],
	[70,12],
	[71,3],
	[72,3],
	[73,4],
	[74,4],
	[75,4.5]
];