examples:

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quark quark to higgs : 

var paper = Raphael("test",1000,500);
var t = Feynman("test2",'{"lines":[[0,0,2,1,11],[2,1,3,2,11],[2,3,3,2,-11],[0,4,2,3,-11],[2,1,4,0,14],[2,3,4,4,14],[3,2,4,2,17]]}');
		

			var t = Feynman("test2",'{"lines":[[0,0,1,1,15],[0,2,1,1,16],[1,1,2,1,13]]}');