{"set":"a","x":8,"y":5.3}
{"set":"a","x":0,"y":0.9}
{"set":"a","x":12,"y":7.1}
{"set":"a","x":2,"y":2.4}
{"set":"b","x":9,"y":5.1}
{"set":"b","x":7,"y":4.4}
{"set":"b","x":8,"y":5.2}
{"set":"b","x":6,"y":3.8}