{"machine":"A","strength":36,"diameter":20}
{"machine":"A","strength":41,"diameter":25}
{"machine":"A","strength":39,"diameter":24}
{"machine":"A","strength":42,"diameter":25}
{"machine":"A","strength":49,"diameter":32}
{"machine":"B","strength":40,"diameter":22}
{"machine":"B","strength":48,"diameter":28}
{"machine":"B","strength":39,"diameter":22}
{"machine":"B","strength":45,"diameter":30}
{"machine":"B","strength":44,"diameter":28}
{"machine":"C","strength":35,"diameter":21}
{"machine":"C","strength":37,"diameter":23}
{"machine":"C","strength":42,"diameter":26}
{"machine":"C","strength":34,"diameter":21}
{"machine":"C","strength":32,"diameter":15}