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{"x1":0,"x2":1,"x3":0,"y":25.5}
{"x1":0,"x2":0,"x3":1,"y":28.6}
{"x1":0.5,"x2":0.5,"x3":0,"y":31.1}
{"x1":0.5,"x2":0,"x3":0.5,"y":24.9}
{"x1":0,"x2":0.5,"x3":0.5,"y":29.1}
{"x1":0.2,"x2":0.6,"x3":0.2,"y":27}
{"x1":0.3,"x2":0.5,"x3":0.2,"y":28.4}