{"t":280,"y":2.1}
{"t":250,"y":3}
{"t":300,"y":3.2}
{"t":320,"y":1.4}
{"t":310,"y":2.6}
{"t":280,"y":3.9}
{"t":320,"y":1.3}
{"t":300,"y":3.4}
{"t":320,"y":2.8}