{"x1":-5,"x2":5,"y":11}
{"x1":-4,"x2":4,"y":11}
{"x1":-1,"x2":1,"y":8}
{"x1":2,"x2":-3,"y":2}
{"x1":2,"x2":-2,"y":5}
{"x1":3,"x2":-2,"y":5}
{"x1":3,"x2":-3,"y":4}