$lvlspan = [
	
	[
		[14,0.5],
		[20,0.5],
		[25,1],
		[30,1.5],
		[35,2.5],
		[37,1],
		[39,1.25],
		[40,0.75],
		[45,4],
		[48,4],
		[50,3]
	]
];