{"Stump":3,"Machine":"1","Diameter":37,"Time":43.8,"Productivity":10.13}
{"Stump":6,"Machine":"1","Diameter":50,"Time":71.4,"Productivity":16.17}
{"Stump":7,"Machine":"1","Diameter":28.5,"Time":51.6,"Productivity":5.24}
{"Stump":9,"Machine":"1","Diameter":19,"Time":16.2,"Productivity":6.75}
{"Stump":11,"Machine":"1","Diameter":20.5,"Time":26.4,"Productivity":5.24}
{"Stump":12,"Machine":"1","Diameter":50,"Time":44.4,"Productivity":20.48}
{"Stump":13,"Machine":"1","Diameter":35.5,"Time":33.6,"Productivity":16.34}
{"Stump":14,"Machine":"1","Diameter":23,"Time":18,"Productivity":10.64}
{"Stump":18,"Machine":"1","Diameter":30,"Time":40.2,"Productivity":9.27}
{"Stump":20,"Machine":"1","Diameter":27.5,"Time":13.2,"Productivity":22.92}
{"Stump":21,"Machine":"1","Diameter":46,"Time":51,"Productivity":15.5}
{"Stump":22,"Machine":"1","Diameter":40.5,"Time":39.6,"Productivity":18.55}
{"Stump":23,"Machine":"1","Diameter":24.5,"Time":19.8,"Productivity":11.43}
{"Stump":24,"Machine":"1","Diameter":21,"Time":18,"Productivity":8.25}
{"Stump":25,"Machine":"1","Diameter":23,"Time":15.6,"Productivity":12.27}
{"Stump":26,"Machine":"1","Diameter":17.5,"Time":17.4,"Productivity":4.75}
{"Stump":27,"Machine":"1","Diameter":48,"Time":65.4,"Productivity":13.07}
{"Stump":28,"Machine":"1","Diameter":20.5,"Time":21.6,"Productivity":6.4}
{"Stump":30,"Machine":"1","Diameter":36,"Time":39.6,"Productivity":7.74}
{"Stump":31,"Machine":"1","Diameter":30,"Time":37.8,"Productivity":9.86}
{"Stump":32,"Machine":"1","Diameter":25.5,"Time":31.2,"Productivity":8.04}
{"Stump":33,"Machine":"1","Diameter":49,"Time":77.4,"Productivity":14.29}
{"Stump":34,"Machine":"1","Diameter":56,"Time":114,"Productivity":10.76}
{"Stump":35,"Machine":"1","Diameter":30.5,"Time":44.4,"Productivity":8.73}
{"Stump":36,"Machine":"1","Diameter":28.5,"Time":23.4,"Productivity":14.1}
{"Stump":37,"Machine":"1","Diameter":26,"Time":36,"Productivity":7.31}
{"Stump":38,"Machine":"1","Diameter":28.5,"Time":51.6,"Productivity":3.98}
{"Stump":39,"Machine":"1","Diameter":26.5,"Time":36.6,"Productivity":7.54}
{"Stump":41,"Machine":"1","Diameter":45,"Time":29.4,"Productivity":31.38}
{"Stump":42,"Machine":"1","Diameter":24,"Time":22.2,"Productivity":7.6}
{"Stump":43,"Machine":"1","Diameter":24,"Time":27.6,"Productivity":6.87}
{"Stump":44,"Machine":"1","Diameter":29.5,"Time":24.6,"Productivity":14.56}
{"Stump":45,"Machine":"1","Diameter":36,"Time":45,"Productivity":10.61}
{"Stump":46,"Machine":"1","Diameter":55,"Time":55.2,"Productivity":19.44}
{"Stump":47,"Machine":"1","Diameter":23.5,"Time":33.6,"Productivity":5.05}
{"Stump":48,"Machine":"1","Diameter":37,"Time":66.6,"Productivity":8.09}
{"Stump":49,"Machine":"1","Diameter":26,"Time":31.8,"Productivity":8.28}
{"Stump":50,"Machine":"1","Diameter":37.5,"Time":19.8,"Productivity":17.23}
{"Stump":51,"Machine":"1","Diameter":42.5,"Time":102,"Productivity":8}
{"Stump":52,"Machine":"1","Diameter":50,"Time":99,"Productivity":11.66}
{"Stump":53,"Machine":"1","Diameter":54,"Time":57.6,"Productivity":23.58}
{"Stump":54,"Machine":"1","Diameter":31.5,"Time":28.8,"Productivity":10.09}
{"Stump":55,"Machine":"1","Diameter":31,"Time":33.6,"Productivity":11.98}
{"Stump":56,"Machine":"1","Diameter":31,"Time":37.2,"Productivity":9.07}
{"Stump":57,"Machine":"1","Diameter":33,"Time":64.8,"Productivity":6.74}
{"Stump":58,"Machine":"1","Diameter":23,"Time":17.4,"Productivity":6.14}
{"Stump":59,"Machine":"1","Diameter":23,"Time":15.6,"Productivity":9.67}
{"Stump":60,"Machine":"1","Diameter":23,"Time":30.6,"Productivity":5.07}
{"Stump":61,"Machine":"1","Diameter":27,"Time":63.6,"Productivity":4.02}
{"Stump":62,"Machine":"1","Diameter":33,"Time":60.6,"Productivity":7.68}
{"Stump":63,"Machine":"1","Diameter":40,"Time":41.4,"Productivity":17.27}
{"Stump":64,"Machine":"1","Diameter":22.5,"Time":17.4,"Productivity":10.36}
{"Stump":65,"Machine":"1","Diameter":42,"Time":63,"Productivity":11.33}
{"Stump":66,"Machine":"1","Diameter":35,"Time":50.4,"Productivity":6.33}
{"Stump":67,"Machine":"1","Diameter":22,"Time":24,"Productivity":7.06}
{"Stump":68,"Machine":"1","Diameter":39.5,"Time":34.2,"Productivity":18.11}
{"Stump":69,"Machine":"1","Diameter":44,"Time":19.8,"Productivity":30.53}
{"Stump":70,"Machine":"1","Diameter":35,"Time":33.6,"Productivity":15.82}
{"Stump":71,"Machine":"1","Diameter":41.5,"Time":34.2,"Productivity":18.18}
{"Stump":72,"Machine":"1","Diameter":21,"Time":27,"Productivity":4.85}
{"Stump":73,"Machine":"1","Diameter":34,"Time":35.4,"Productivity":11.53}
{"Stump":74,"Machine":"1","Diameter":45,"Time":47.4,"Productivity":17.47}
{"Stump":75,"Machine":"1","Diameter":36,"Time":54.6,"Productivity":10.37}
{"Stump":76,"Machine":"1","Diameter":31.5,"Time":36.6,"Productivity":8.6}
{"Stump":77,"Machine":"1","Diameter":42,"Time":67.8,"Productivity":10.35}
{"Stump":78,"Machine":"1","Diameter":45,"Time":81,"Productivity":11.39}
{"Stump":80,"Machine":"1","Diameter":37.5,"Time":51.6,"Productivity":12.02}
{"Stump":82,"Machine":"1","Diameter":45.5,"Time":68.4,"Productivity":10.57}
{"Stump":83,"Machine":"1","Diameter":27.5,"Time":28.2,"Productivity":6.55}
{"Stump":84,"Machine":"1","Diameter":34,"Time":58.8,"Productivity":8.47}
{"Stump":85,"Machine":"1","Diameter":41.5,"Time":79.2,"Productivity":9.78}
{"Stump":86,"Machine":"1","Diameter":22,"Time":24,"Productivity":5.14}
{"Stump":87,"Machine":"1","Diameter":22.5,"Time":31.8,"Productivity":5.67}
{"Stump":88,"Machine":"1","Diameter":28,"Time":24,"Productivity":13.17}
{"Stump":89,"Machine":"1","Diameter":20,"Time":25.8,"Productivity":2.74}
{"Stump":90,"Machine":"1","Diameter":30,"Time":21,"Productivity":14.12}
{"Stump":91,"Machine":"1","Diameter":36,"Time":31.2,"Productivity":18.15}
{"Stump":92,"Machine":"1","Diameter":31,"Time":26.4,"Productivity":10.48}
{"Stump":93,"Machine":"1","Diameter":26.5,"Time":62.4,"Productivity":4}
{"Stump":94,"Machine":"1","Diameter":52,"Time":116.4,"Productivity":10.4}
{"Stump":95,"Machine":"1","Diameter":55,"Time":74.4,"Productivity":17.96}
{"Stump":96,"Machine":"1","Diameter":17.5,"Time":10.8,"Productivity":3.28}
{"Stump":97,"Machine":"1","Diameter":43.5,"Time":43.8,"Productivity":13.62}
{"Stump":98,"Machine":"1","Diameter":47.5,"Time":83.4,"Productivity":11.28}
{"Stump":99,"Machine":"1","Diameter":35,"Time":43.2,"Productivity":12.31}
{"Stump":100,"Machine":"1","Diameter":32,"Time":54,"Productivity":6.69}
{"Stump":101,"Machine":"1","Diameter":26.5,"Time":38.4,"Productivity":7.19}
{"Stump":102,"Machine":"1","Diameter":41.5,"Time":55.2,"Productivity":14.03}
{"Stump":103,"Machine":"1","Diameter":36,"Time":48,"Productivity":10.73}
{"Stump":104,"Machine":"1","Diameter":20,"Time":17.4,"Productivity":4.98}
{"Stump":105,"Machine":"1","Diameter":28,"Time":27,"Productivity":11.71}
{"Stump":107,"Machine":"1","Diameter":36,"Time":111,"Productivity":4.49}
{"Stump":108,"Machine":"1","Diameter":43.5,"Time":61.8,"Productivity":12.22}
{"Stump":109,"Machine":"1","Diameter":36,"Time":43.8,"Productivity":8.9}
{"Stump":110,"Machine":"1","Diameter":49.5,"Time":90.6,"Productivity":12.48}
{"Stump":111,"Machine":"1","Diameter":37,"Time":57,"Productivity":6.87}
{"Stump":112,"Machine":"1","Diameter":32,"Time":43.2,"Productivity":10.03}
{"Stump":113,"Machine":"1","Diameter":39,"Time":76.8,"Productivity":7.88}
{"Stump":114,"Machine":"1","Diameter":38,"Time":31.8,"Productivity":20.08}
{"Stump":115,"Machine":"1","Diameter":50.5,"Time":86.4,"Productivity":11.56}
{"Stump":116,"Machine":"1","Diameter":51.5,"Time":55.8,"Productivity":17.81}
{"Stump":117,"Machine":"1","Diameter":23,"Time":34.2,"Productivity":5.6}
{"Stump":119,"Machine":"1","Diameter":30,"Time":21.6,"Productivity":11.3}
{"Stump":120,"Machine":"1","Diameter":21,"Time":30.6,"Productivity":4.85}
{"Stump":121,"Machine":"1","Diameter":21,"Time":14.4,"Productivity":5.62}
{"Stump":122,"Machine":"1","Diameter":20.5,"Time":15.6,"Productivity":8.87}
{"Stump":123,"Machine":"1","Diameter":31.5,"Time":43.2,"Productivity":9.67}
{"Stump":124,"Machine":"1","Diameter":36.5,"Time":20.4,"Productivity":28.63}
{"Stump":125,"Machine":"1","Diameter":62,"Time":68.4,"Productivity":22.87}
{"Stump":126,"Machine":"1","Diameter":38.5,"Time":44.4,"Productivity":13.2}
{"Stump":127,"Machine":"1","Diameter":21,"Time":25.8,"Productivity":5.75}
{"Stump":128,"Machine":"1","Diameter":28,"Time":40.2,"Productivity":4.32}
{"Stump":129,"Machine":"1","Diameter":49,"Time":62.4,"Productivity":14.18}
{"Stump":130,"Machine":"1","Diameter":49.5,"Time":55.8,"Productivity":15.83}
{"Stump":131,"Machine":"1","Diameter":53.5,"Time":62.4,"Productivity":16.44}
{"Stump":132,"Machine":"1","Diameter":41,"Time":54.6,"Productivity":13.82}
{"Stump":133,"Machine":"1","Diameter":27.5,"Time":40.8,"Productivity":4.99}
{"Stump":134,"Machine":"1","Diameter":30.5,"Time":36.6,"Productivity":8.18}
{"Stump":135,"Machine":"1","Diameter":22,"Time":25.8,"Productivity":3.87}
{"Stump":136,"Machine":"1","Diameter":30,"Time":49.8,"Productivity":7.49}
{"Stump":137,"Machine":"1","Diameter":42.5,"Time":46.2,"Productivity":17.66}
{"Stump":138,"Machine":"1","Diameter":35.5,"Time":55.2,"Productivity":9.94}
{"Stump":139,"Machine":"1","Diameter":31,"Time":126.6,"Productivity":3.05}
{"Stump":140,"Machine":"1","Diameter":33,"Time":52.8,"Productivity":6.3}
{"Stump":141,"Machine":"1","Diameter":27,"Time":60.6,"Productivity":4.77}
{"Stump":142,"Machine":"1","Diameter":41,"Time":70.8,"Productivity":10.66}
{"Stump":143,"Machine":"1","Diameter":37,"Time":90.6,"Productivity":6.08}
{"Stump":144,"Machine":"1","Diameter":22.5,"Time":35.4,"Productivity":5.09}
{"Stump":146,"Machine":"1","Diameter":38,"Time":91.8,"Productivity":6.96}
{"Stump":147,"Machine":"1","Diameter":31,"Time":31.8,"Productivity":9.19}
{"Stump":148,"Machine":"1","Diameter":31.5,"Time":22.2,"Productivity":18.82}
{"Stump":149,"Machine":"1","Diameter":52.5,"Time":115.2,"Productivity":10.46}
{"Stump":150,"Machine":"1","Diameter":23.5,"Time":15,"Productivity":7.51}
{"Stump":151,"Machine":"1","Diameter":29,"Time":42.6,"Productivity":6.82}
{"Stump":152,"Machine":"1","Diameter":29,"Time":33.6,"Productivity":8.19}
{"Stump":153,"Machine":"1","Diameter":30,"Time":45.6,"Productivity":8.18}
{"Stump":154,"Machine":"1","Diameter":27,"Time":16.8,"Productivity":9.09}
{"Stump":155,"Machine":"1","Diameter":21,"Time":12.6,"Productivity":11.78}
{"Stump":156,"Machine":"1","Diameter":31,"Time":46.8,"Productivity":7.63}
{"Stump":157,"Machine":"1","Diameter":27,"Time":55.2,"Productivity":5.24}
{"Stump":158,"Machine":"1","Diameter":47,"Time":43.2,"Productivity":16.71}
{"Stump":159,"Machine":"1","Diameter":47,"Time":72,"Productivity":14.06}
{"Stump":161,"Machine":"1","Diameter":29,"Time":60,"Productivity":4.41}
{"Stump":162,"Machine":"1","Diameter":24.5,"Time":30,"Productivity":5.1}
{"Stump":163,"Machine":"2","Diameter":27,"Time":82.2,"Productivity":3.17}
{"Stump":164,"Machine":"2","Diameter":28.5,"Time":55.8,"Productivity":4.54}
{"Stump":165,"Machine":"2","Diameter":37,"Time":91.2,"Productivity":6.01}
{"Stump":166,"Machine":"2","Diameter":30,"Time":99,"Productivity":3.63}
{"Stump":167,"Machine":"2","Diameter":30.5,"Time":102.6,"Productivity":3.78}
{"Stump":168,"Machine":"2","Diameter":30,"Time":68.4,"Productivity":4.64}
{"Stump":169,"Machine":"2","Diameter":20,"Time":35.4,"Productivity":3.63}
{"Stump":170,"Machine":"2","Diameter":29,"Time":49.8,"Productivity":6.3}
{"Stump":171,"Machine":"2","Diameter":23.5,"Time":41.4,"Productivity":4.9}
{"Stump":172,"Machine":"2","Diameter":20.5,"Time":40.2,"Productivity":3.2}
{"Stump":173,"Machine":"2","Diameter":36.5,"Time":73.2,"Productivity":7.98}
{"Stump":174,"Machine":"2","Diameter":28.5,"Time":44.4,"Productivity":6.18}
{"Stump":175,"Machine":"2","Diameter":22.5,"Time":40.8,"Productivity":4.42}
{"Stump":176,"Machine":"2","Diameter":40,"Time":82.2,"Productivity":6.48}
{"Stump":177,"Machine":"2","Diameter":24.5,"Time":30.6,"Productivity":7.4}
{"Stump":178,"Machine":"2","Diameter":39,"Time":62.4,"Productivity":8.88}
{"Stump":179,"Machine":"2","Diameter":19,"Time":52.2,"Productivity":1.98}
{"Stump":180,"Machine":"2","Diameter":37.5,"Time":88.8,"Productivity":6.98}
{"Stump":181,"Machine":"2","Diameter":41,"Time":81.6,"Productivity":8.79}
{"Stump":182,"Machine":"2","Diameter":35.5,"Time":81,"Productivity":5.75}
{"Stump":183,"Machine":"2","Diameter":32.5,"Time":50.4,"Productivity":8.91}
{"Stump":184,"Machine":"2","Diameter":31.5,"Time":55.2,"Productivity":7.57}
{"Stump":185,"Machine":"2","Diameter":42,"Time":73.8,"Productivity":9.96}
{"Stump":186,"Machine":"2","Diameter":41.5,"Time":77.4,"Productivity":8.97}
{"Stump":187,"Machine":"2","Diameter":48,"Time":170.4,"Productivity":5.96}
{"Stump":188,"Machine":"2","Diameter":45.5,"Time":121.8,"Productivity":6.43}
{"Stump":189,"Machine":"2","Diameter":52.5,"Time":141,"Productivity":9.08}
{"Stump":190,"Machine":"2","Diameter":42.5,"Time":90.6,"Productivity":8.55}
{"Stump":191,"Machine":"2","Diameter":46,"Time":80.4,"Productivity":10.33}
{"Stump":192,"Machine":"2","Diameter":51.5,"Time":141,"Productivity":8.29}
{"Stump":193,"Machine":"2","Diameter":29,"Time":62.4,"Productivity":5.51}
{"Stump":194,"Machine":"2","Diameter":52,"Time":100.2,"Productivity":12.52}
{"Stump":195,"Machine":"2","Diameter":42.5,"Time":82.8,"Productivity":8.83}
{"Stump":196,"Machine":"2","Diameter":40.5,"Time":66.6,"Productivity":10.29}
{"Stump":197,"Machine":"2","Diameter":28.5,"Time":36,"Productivity":8.09}
{"Stump":198,"Machine":"2","Diameter":40,"Time":111,"Productivity":6.05}
{"Stump":199,"Machine":"2","Diameter":29.5,"Time":108,"Productivity":2.9}
{"Stump":200,"Machine":"2","Diameter":25,"Time":68.4,"Productivity":3.49}
{"Stump":201,"Machine":"2","Diameter":28.5,"Time":98.4,"Productivity":3.35}
{"Stump":202,"Machine":"2","Diameter":27.5,"Time":114,"Productivity":2.65}
{"Stump":203,"Machine":"2","Diameter":40,"Time":127.2,"Productivity":5.42}
{"Stump":204,"Machine":"2","Diameter":47.5,"Time":132,"Productivity":7.57}
{"Stump":205,"Machine":"2","Diameter":37.5,"Time":91.8,"Productivity":6.42}
{"Stump":206,"Machine":"2","Diameter":43,"Time":86.4,"Productivity":9.17}
{"Stump":207,"Machine":"2","Diameter":47,"Time":148.2,"Productivity":6.62}
{"Stump":208,"Machine":"2","Diameter":31.5,"Time":48.6,"Productivity":7.33}
{"Stump":209,"Machine":"2","Diameter":39,"Time":67.8,"Productivity":9.39}
{"Stump":210,"Machine":"2","Diameter":28.5,"Time":67.2,"Productivity":4.51}
{"Stump":211,"Machine":"2","Diameter":27.5,"Time":73.2,"Productivity":4.13}
{"Stump":212,"Machine":"2","Diameter":25,"Time":40.2,"Productivity":5.23}
{"Stump":213,"Machine":"2","Diameter":26,"Time":39,"Productivity":5.1}
{"Stump":214,"Machine":"2","Diameter":44,"Time":163.8,"Productivity":5.27}
{"Stump":215,"Machine":"2","Diameter":35,"Time":118.2,"Productivity":4.5}
{"Stump":216,"Machine":"2","Diameter":37,"Time":77.4,"Productivity":7.78}
{"Stump":217,"Machine":"2","Diameter":51,"Time":109.8,"Productivity":10.4}
{"Stump":218,"Machine":"2","Diameter":23,"Time":35.4,"Productivity":4.69}
{"Stump":219,"Machine":"2","Diameter":39,"Time":63.6,"Productivity":9.16}
{"Stump":220,"Machine":"2","Diameter":29,"Time":44.4,"Productivity":7.75}
{"Stump":221,"Machine":"2","Diameter":41.5,"Time":106.2,"Productivity":6.59}
{"Stump":222,"Machine":"2","Diameter":41,"Time":64.8,"Productivity":10.75}
{"Stump":223,"Machine":"2","Diameter":28.5,"Time":94.8,"Productivity":3.48}
{"Stump":224,"Machine":"2","Diameter":40.5,"Time":113.4,"Productivity":6.12}
{"Stump":225,"Machine":"2","Diameter":21,"Time":38.4,"Productivity":2.81}
{"Stump":226,"Machine":"2","Diameter":30,"Time":67.2,"Productivity":5.18}
{"Stump":227,"Machine":"2","Diameter":27.5,"Time":73.2,"Productivity":3.71}
{"Stump":228,"Machine":"2","Diameter":51,"Time":227.4,"Productivity":5.3}
{"Stump":229,"Machine":"2","Diameter":31,"Time":91.2,"Productivity":4.41}
{"Stump":230,"Machine":"2","Diameter":30,"Time":70.2,"Productivity":4.74}
{"Stump":231,"Machine":"2","Diameter":31,"Time":73.2,"Productivity":4.56}
{"Stump":232,"Machine":"2","Diameter":23.5,"Time":42.6,"Productivity":4.76}
{"Stump":233,"Machine":"2","Diameter":29,"Time":65.4,"Productivity":4.86}
{"Stump":234,"Machine":"2","Diameter":25,"Time":52.8,"Productivity":4.51}
{"Stump":235,"Machine":"2","Diameter":40,"Time":90,"Productivity":6.85}
{"Stump":236,"Machine":"2","Diameter":30.5,"Time":46.8,"Productivity":6.8}
{"Stump":237,"Machine":"2","Diameter":21.5,"Time":32.4,"Productivity":4.9}
{"Stump":238,"Machine":"2","Diameter":26,"Time":34.2,"Productivity":6.75}
{"Stump":239,"Machine":"2","Diameter":25,"Time":21.6,"Productivity":11.04}
{"Stump":240,"Machine":"2","Diameter":29.5,"Time":65.4,"Productivity":5.48}
{"Stump":241,"Machine":"2","Diameter":29,"Time":48.6,"Productivity":6.3}
{"Stump":242,"Machine":"2","Diameter":40,"Time":97.8,"Productivity":7.31}
{"Stump":243,"Machine":"2","Diameter":27.5,"Time":34.2,"Productivity":6.72}
{"Stump":244,"Machine":"2","Diameter":31.5,"Time":129.6,"Productivity":3.22}
{"Stump":245,"Machine":"2","Diameter":23.5,"Time":49.8,"Productivity":3.38}
{"Stump":246,"Machine":"2","Diameter":35.5,"Time":91.8,"Productivity":5.98}
{"Stump":247,"Machine":"2","Diameter":39,"Time":88.8,"Productivity":7.62}
{"Stump":248,"Machine":"2","Diameter":36,"Time":60,"Productivity":9.44}
{"Stump":249,"Machine":"2","Diameter":36.5,"Time":81,"Productivity":7.21}
{"Stump":250,"Machine":"2","Diameter":22,"Time":58.2,"Productivity":2.91}
{"Stump":251,"Machine":"2","Diameter":45,"Time":139.8,"Productivity":6.15}
{"Stump":252,"Machine":"2","Diameter":38.5,"Time":64.2,"Productivity":9.7}
{"Stump":253,"Machine":"2","Diameter":28.5,"Time":77.4,"Productivity":3.69}
{"Stump":254,"Machine":"2","Diameter":26.5,"Time":52.2,"Productivity":5.29}
{"Stump":255,"Machine":"2","Diameter":25,"Time":41.4,"Productivity":5.09}
{"Stump":256,"Machine":"2","Diameter":50,"Time":118.2,"Productivity":7.29}
{"Stump":257,"Machine":"2","Diameter":41,"Time":108,"Productivity":6.65}
{"Stump":258,"Machine":"2","Diameter":29,"Time":79.2,"Productivity":3.85}
{"Stump":259,"Machine":"2","Diameter":48.5,"Time":121.2,"Productivity":7.74}
{"Stump":260,"Machine":"2","Diameter":39,"Time":92.4,"Productivity":7.09}
{"Stump":261,"Machine":"2","Diameter":30.5,"Time":39.6,"Productivity":9.79}
{"Stump":262,"Machine":"2","Diameter":39,"Time":88.2,"Productivity":7.67}
{"Stump":263,"Machine":"2","Diameter":35,"Time":75,"Productivity":6.52}
{"Stump":264,"Machine":"2","Diameter":30,"Time":74.4,"Productivity":5.01}
{"Stump":265,"Machine":"2","Diameter":28,"Time":40.8,"Productivity":6.27}
{"Stump":266,"Machine":"2","Diameter":43.5,"Time":73.8,"Productivity":11.62}
{"Stump":267,"Machine":"2","Diameter":39.5,"Time":66,"Productivity":9.35}
{"Stump":268,"Machine":"2","Diameter":29.5,"Time":94.8,"Productivity":3.51}
{"Stump":269,"Machine":"2","Diameter":23,"Time":30,"Productivity":6.38}
{"Stump":270,"Machine":"2","Diameter":51.5,"Time":159.6,"Productivity":7.45}
{"Stump":271,"Machine":"2","Diameter":32,"Time":54,"Productivity":7.08}
{"Stump":272,"Machine":"2","Diameter":37.5,"Time":91.2,"Productivity":6.5}
{"Stump":273,"Machine":"2","Diameter":28,"Time":75,"Productivity":4.21}
{"Stump":274,"Machine":"2","Diameter":44.5,"Time":142.2,"Productivity":6.1}
{"Stump":275,"Machine":"2","Diameter":39,"Time":90.6,"Productivity":7.46}
{"Stump":276,"Machine":"2","Diameter":41,"Time":109.2,"Productivity":6.55}
{"Stump":277,"Machine":"2","Diameter":40,"Time":67.2,"Productivity":10.18}
{"Stump":278,"Machine":"2","Diameter":21.5,"Time":33,"Productivity":3.01}
{"Stump":279,"Machine":"2","Diameter":36.5,"Time":84.6,"Productivity":6.9}
{"Stump":280,"Machine":"2","Diameter":29.5,"Time":51,"Productivity":6.29}
{"Stump":281,"Machine":"2","Diameter":33,"Time":74.4,"Productivity":4.64}
{"Stump":282,"Machine":"2","Diameter":43,"Time":66.6,"Productivity":10.25}
{"Stump":283,"Machine":"2","Diameter":70.5,"Time":292.8,"Productivity":8.07}
{"Stump":284,"Machine":"2","Diameter":63.5,"Time":272.4,"Productivity":6.62}
{"Stump":285,"Machine":"2","Diameter":23.5,"Time":23.4,"Productivity":7.04}
{"Stump":286,"Machine":"2","Diameter":43,"Time":84,"Productivity":7.83}
{"Stump":287,"Machine":"2","Diameter":49.5,"Time":84.6,"Productivity":13.36}
{"Stump":288,"Machine":"2","Diameter":24.5,"Time":46.2,"Productivity":4.34}
{"Stump":289,"Machine":"2","Diameter":26.5,"Time":28.8,"Productivity":7.08}
{"Stump":290,"Machine":"2","Diameter":26,"Time":50.4,"Productivity":5.22}
{"Stump":291,"Machine":"2","Diameter":38,"Time":81,"Productivity":7.88}
{"Stump":292,"Machine":"2","Diameter":26.5,"Time":32.4,"Productivity":8.52}
{"Stump":293,"Machine":"2","Diameter":32,"Time":87,"Productivity":4.75}
{"Stump":294,"Machine":"2","Diameter":37.5,"Time":98.4,"Productivity":5.33}
{"Stump":295,"Machine":"2","Diameter":47,"Time":249,"Productivity":3.94}
{"Stump":296,"Machine":"2","Diameter":31,"Time":80.4,"Productivity":4.17}
{"Stump":297,"Machine":"2","Diameter":53.5,"Time":259.2,"Productivity":4.64}
{"Stump":298,"Machine":"2","Diameter":46.5,"Time":103.2,"Productivity":9.59}
{"Stump":299,"Machine":"2","Diameter":49.5,"Time":183.6,"Productivity":5.48}
{"Stump":300,"Machine":"2","Diameter":28,"Time":57,"Productivity":4.46}
{"Stump":301,"Machine":"2","Diameter":47,"Time":237,"Productivity":4.27}
{"Stump":302,"Machine":"2","Diameter":28,"Time":71.4,"Productivity":3.74}
{"Stump":303,"Machine":"2","Diameter":61.5,"Time":304.8,"Productivity":5.69}
{"Stump":304,"Machine":"2","Diameter":36.5,"Time":83.4,"Productivity":6.53}
{"Stump":305,"Machine":"2","Diameter":32.5,"Time":115.8,"Productivity":3.65}
{"Stump":306,"Machine":"2","Diameter":32,"Time":53.4,"Productivity":6.45}
{"Stump":307,"Machine":"2","Diameter":30,"Time":77.4,"Productivity":1.87}
{"Stump":308,"Machine":"2","Diameter":28,"Time":65.4,"Productivity":4.83}
{"Stump":309,"Machine":"2","Diameter":21,"Time":44.4,"Productivity":3.34}
{"Stump":310,"Machine":"2","Diameter":31.5,"Time":42.6,"Productivity":5.8}
{"Stump":311,"Machine":"2","Diameter":32,"Time":86.4,"Productivity":4.38}
{"Stump":312,"Machine":"2","Diameter":40,"Time":114,"Productivity":6.27}
{"Stump":313,"Machine":"2","Diameter":37.5,"Time":52.2,"Productivity":10.66}
{"Stump":314,"Machine":"2","Diameter":32.5,"Time":105,"Productivity":4.28}
{"Stump":315,"Machine":"2","Diameter":39,"Time":78,"Productivity":8.17}
{"Stump":316,"Machine":"2","Diameter":24.5,"Time":115.2,"Productivity":1.78}
{"Stump":317,"Machine":"2","Diameter":41.5,"Time":105,"Productivity":7.38}
{"Stump":318,"Machine":"2","Diameter":48,"Time":58.8,"Productivity":15.9}
{"Stump":319,"Machine":"2","Diameter":38.5,"Time":68.4,"Productivity":8.76}
{"Stump":320,"Machine":"2","Diameter":47,"Time":87,"Productivity":9.75}
{"Stump":321,"Machine":"2","Diameter":47.5,"Time":82.8,"Productivity":10.99}
{"Stump":322,"Machine":"2","Diameter":41,"Time":68.4,"Productivity":8.73}
{"Stump":323,"Machine":"2","Diameter":42.5,"Time":99,"Productivity":8.24}
{"Stump":324,"Machine":"2","Diameter":38,"Time":126.6,"Productivity":4.93}
{"Stump":325,"Machine":"2","Diameter":38,"Time":81,"Productivity":7.14}
{"Stump":326,"Machine":"2","Diameter":47,"Time":100.2,"Productivity":8.23}
{"Stump":327,"Machine":"2","Diameter":21,"Time":30,"Productivity":3.48}
{"Stump":328,"Machine":"2","Diameter":24.5,"Time":35.4,"Productivity":6.39}
{"Stump":329,"Machine":"2","Diameter":31.5,"Time":63,"Productivity":6.11}
{"Stump":330,"Machine":"2","Diameter":29,"Time":75.6,"Productivity":4.55}
{"Stump":331,"Machine":"2","Diameter":23,"Time":68.4,"Productivity":2.8}
{"Stump":332,"Machine":"2","Diameter":31,"Time":88.2,"Productivity":4.56}
{"Stump":333,"Machine":"2","Diameter":22,"Time":64.8,"Productivity":2.39}
{"Stump":334,"Machine":"2","Diameter":45,"Time":45,"Productivity":20.5}
{"Stump":335,"Machine":"2","Diameter":27,"Time":60,"Productivity":4.08}
{"Stump":336,"Machine":"2","Diameter":46,"Time":99,"Productivity":8.18}
{"Stump":337,"Machine":"2","Diameter":32,"Time":68.4,"Productivity":5.87}
{"Stump":338,"Machine":"2","Diameter":33,"Time":36,"Productivity":12.92}
{"Stump":339,"Machine":"2","Diameter":58,"Time":216,"Productivity":6.62}
{"Stump":340,"Machine":"2","Diameter":23.5,"Time":19.2,"Productivity":8.67}
{"Stump":341,"Machine":"2","Diameter":27.5,"Time":36,"Productivity":8.4}
{"Stump":342,"Machine":"2","Diameter":50,"Time":165,"Productivity":6.73}
{"Stump":344,"Machine":"3","Diameter":29,"Time":27,"Productivity":12.74}
{"Stump":345,"Machine":"3","Diameter":44.5,"Time":64.2,"Productivity":10.57}
{"Stump":346,"Machine":"3","Diameter":30,"Time":53.4,"Productivity":6.98}
{"Stump":347,"Machine":"3","Diameter":32.5,"Time":44.4,"Productivity":10.12}
{"Stump":349,"Machine":"3","Diameter":25,"Time":32.4,"Productivity":7.36}
{"Stump":352,"Machine":"3","Diameter":32.5,"Time":52.2,"Productivity":8.6}
{"Stump":353,"Machine":"3","Diameter":29.5,"Time":44.4,"Productivity":5.53}
{"Stump":354,"Machine":"3","Diameter":25.5,"Time":31.8,"Productivity":6.53}
{"Stump":358,"Machine":"3","Diameter":40,"Time":48.6,"Productivity":14.71}
{"Stump":360,"Machine":"3","Diameter":26.5,"Time":48.6,"Productivity":4.51}
{"Stump":361,"Machine":"3","Diameter":25,"Time":25.8,"Productivity":4.62}
{"Stump":362,"Machine":"3","Diameter":27,"Time":38.4,"Productivity":7.53}
{"Stump":363,"Machine":"3","Diameter":34.5,"Time":37.2,"Productivity":11.29}
{"Stump":364,"Machine":"3","Diameter":30,"Time":37.8,"Productivity":9.86}
{"Stump":365,"Machine":"3","Diameter":29.5,"Time":39.6,"Productivity":7.28}
{"Stump":369,"Machine":"3","Diameter":28,"Time":37.8,"Productivity":8.36}
{"Stump":370,"Machine":"3","Diameter":25.5,"Time":27,"Productivity":7.88}
{"Stump":372,"Machine":"3","Diameter":39,"Time":35.4,"Productivity":15.03}
{"Stump":373,"Machine":"3","Diameter":25.5,"Time":22.8,"Productivity":7.74}
{"Stump":374,"Machine":"3","Diameter":34,"Time":25.2,"Productivity":16.6}
{"Stump":376,"Machine":"3","Diameter":28,"Time":36,"Productivity":7.86}
{"Stump":377,"Machine":"3","Diameter":32,"Time":66.6,"Productivity":5.64}
{"Stump":378,"Machine":"3","Diameter":37.5,"Time":78,"Productivity":7.38}
{"Stump":379,"Machine":"3","Diameter":27.5,"Time":34.2,"Productivity":6.3}
{"Stump":380,"Machine":"3","Diameter":42,"Time":115.2,"Productivity":6.9}
{"Stump":381,"Machine":"3","Diameter":33.5,"Time":63.6,"Productivity":7.57}
{"Stump":382,"Machine":"3","Diameter":36.5,"Time":51.6,"Productivity":8.69}
{"Stump":383,"Machine":"3","Diameter":27,"Time":47.4,"Productivity":4.92}
{"Stump":384,"Machine":"3","Diameter":39,"Time":82.2,"Productivity":8.23}
{"Stump":385,"Machine":"3","Diameter":32,"Time":72,"Productivity":5.56}
{"Stump":386,"Machine":"3","Diameter":32.5,"Time":48.6,"Productivity":8.32}
{"Stump":387,"Machine":"3","Diameter":38,"Time":76.2,"Productivity":7.66}
{"Stump":388,"Machine":"3","Diameter":38,"Time":82.2,"Productivity":7.14}
{"Stump":389,"Machine":"3","Diameter":27,"Time":53.4,"Productivity":4.19}
{"Stump":390,"Machine":"3","Diameter":37,"Time":100.2,"Productivity":5.23}
{"Stump":391,"Machine":"3","Diameter":45,"Time":57.6,"Productivity":16.02}
{"Stump":392,"Machine":"3","Diameter":37,"Time":58.8,"Productivity":9.47}
{"Stump":393,"Machine":"3","Diameter":39,"Time":66.6,"Productivity":10.15}
{"Stump":394,"Machine":"3","Diameter":29,"Time":34.2,"Productivity":7.35}
{"Stump":395,"Machine":"3","Diameter":38.5,"Time":72,"Productivity":8.24}
{"Stump":396,"Machine":"3","Diameter":37,"Time":97.8,"Productivity":6.16}
{"Stump":397,"Machine":"3","Diameter":32.5,"Time":60.6,"Productivity":4.25}
{"Stump":398,"Machine":"3","Diameter":39.5,"Time":92.4,"Productivity":6.9}
{"Stump":399,"Machine":"3","Diameter":32.5,"Time":86.4,"Productivity":5.2}
{"Stump":400,"Machine":"3","Diameter":34,"Time":103.2,"Productivity":4.82}
{"Stump":401,"Machine":"3","Diameter":39.5,"Time":55.2,"Productivity":12.6}
{"Stump":402,"Machine":"3","Diameter":38,"Time":43.2,"Productivity":11.09}
{"Stump":403,"Machine":"3","Diameter":27,"Time":97.8,"Productivity":2.96}
{"Stump":404,"Machine":"3","Diameter":40,"Time":104.4,"Productivity":6.17}
{"Stump":405,"Machine":"3","Diameter":44.5,"Time":121.2,"Productivity":6.89}
{"Stump":406,"Machine":"3","Diameter":35,"Time":97.2,"Productivity":4.64}
{"Stump":407,"Machine":"3","Diameter":41,"Time":82.8,"Productivity":7.86}
{"Stump":408,"Machine":"3","Diameter":32.5,"Time":66.6,"Productivity":6.74}
{"Stump":409,"Machine":"3","Diameter":38,"Time":61.2,"Productivity":10.44}
{"Stump":410,"Machine":"3","Diameter":39.5,"Time":93.6,"Productivity":6.2}
{"Stump":411,"Machine":"3","Diameter":48,"Time":133.2,"Productivity":7.95}
{"Stump":412,"Machine":"3","Diameter":50.5,"Time":115.2,"Productivity":10.24}
{"Stump":413,"Machine":"3","Diameter":25,"Time":38.4,"Productivity":4.57}
{"Stump":414,"Machine":"3","Diameter":28,"Time":39.6,"Productivity":5.73}
{"Stump":415,"Machine":"3","Diameter":40.5,"Time":168,"Productivity":4.37}
{"Stump":416,"Machine":"3","Diameter":40.5,"Time":85.2,"Productivity":6.96}
{"Stump":417,"Machine":"3","Diameter":37,"Time":103.8,"Productivity":5.8}
{"Stump":418,"Machine":"3","Diameter":38,"Time":90,"Productivity":7.1}
{"Stump":419,"Machine":"3","Diameter":40,"Time":72,"Productivity":7.79}
{"Stump":420,"Machine":"3","Diameter":24,"Time":34.2,"Productivity":5.33}
{"Stump":421,"Machine":"3","Diameter":36,"Time":103.2,"Productivity":5.13}
{"Stump":422,"Machine":"3","Diameter":30,"Time":79.8,"Productivity":3.63}
{"Stump":423,"Machine":"3","Diameter":29,"Time":39,"Productivity":8.82}
{"Stump":424,"Machine":"3","Diameter":60,"Time":217.2,"Productivity":7.38}
{"Stump":425,"Machine":"3","Diameter":31,"Time":81,"Productivity":4.97}
{"Stump":426,"Machine":"3","Diameter":42,"Time":116.4,"Productivity":6.19}
{"Stump":427,"Machine":"3","Diameter":58,"Time":193.2,"Productivity":7.62}
{"Stump":428,"Machine":"3","Diameter":37,"Time":157.8,"Productivity":3.3}
{"Stump":429,"Machine":"3","Diameter":25.5,"Time":29.4,"Productivity":6.43}
{"Stump":430,"Machine":"3","Diameter":50,"Time":117.6,"Productivity":9.82}
{"Stump":431,"Machine":"3","Diameter":36.5,"Time":84.6,"Productivity":6.9}
{"Stump":432,"Machine":"3","Diameter":40,"Time":118.8,"Productivity":6.02}
{"Stump":433,"Machine":"3","Diameter":27,"Time":60,"Productivity":3.92}
{"Stump":434,"Machine":"3","Diameter":44,"Time":38.4,"Productivity":19.54}
{"Stump":435,"Machine":"3","Diameter":32,"Time":94.2,"Productivity":4.22}
{"Stump":436,"Machine":"3","Diameter":47,"Time":178.8,"Productivity":5.66}
{"Stump":437,"Machine":"3","Diameter":43.5,"Time":107.4,"Productivity":7.29}
{"Stump":438,"Machine":"3","Diameter":37.5,"Time":84.6,"Productivity":7.33}
{"Stump":439,"Machine":"3","Diameter":38.5,"Time":72,"Productivity":8.3}
{"Stump":440,"Machine":"3","Diameter":38.5,"Time":109.8,"Productivity":5.99}
{"Stump":441,"Machine":"3","Diameter":36.5,"Time":88.2,"Productivity":6.08}
{"Stump":442,"Machine":"3","Diameter":36,"Time":51,"Productivity":10.04}
{"Stump":443,"Machine":"3","Diameter":28.5,"Time":56.4,"Productivity":5.19}
{"Stump":444,"Machine":"3","Diameter":29.5,"Time":47.4,"Productivity":6.79}
{"Stump":445,"Machine":"3","Diameter":38,"Time":91.8,"Productivity":6.65}
{"Stump":446,"Machine":"3","Diameter":45,"Time":114.6,"Productivity":7.73}
{"Stump":447,"Machine":"3","Diameter":20,"Time":24.6,"Productivity":3.89}
{"Stump":448,"Machine":"3","Diameter":34.5,"Time":28.2,"Productivity":18.25}
{"Stump":449,"Machine":"3","Diameter":42,"Time":87.6,"Productivity":9.08}
{"Stump":450,"Machine":"3","Diameter":23,"Time":39.6,"Productivity":4.09}
{"Stump":451,"Machine":"3","Diameter":32,"Time":63.6,"Productivity":3.56}
{"Stump":452,"Machine":"3","Diameter":46,"Time":104.4,"Productivity":8.71}
{"Stump":453,"Machine":"3","Diameter":44,"Time":46.8,"Productivity":18.78}
{"Stump":454,"Machine":"3","Diameter":41,"Time":63.6,"Productivity":9.6}
{"Stump":455,"Machine":"3","Diameter":29.5,"Time":68.4,"Productivity":4.93}
{"Stump":456,"Machine":"3","Diameter":45,"Time":180,"Productivity":5.13}
{"Stump":457,"Machine":"3","Diameter":42,"Time":70.8,"Productivity":8.89}
{"Stump":458,"Machine":"3","Diameter":35,"Time":43.8,"Productivity":9.33}
{"Stump":459,"Machine":"3","Diameter":35,"Time":84,"Productivity":5.01}
{"Stump":460,"Machine":"3","Diameter":38,"Time":81,"Productivity":7.88}
{"Stump":461,"Machine":"3","Diameter":45,"Time":143.4,"Productivity":6.13}
{"Stump":462,"Machine":"3","Diameter":49,"Time":81.6,"Productivity":12.9}
{"Stump":463,"Machine":"3","Diameter":42,"Time":46.8,"Productivity":11.52}
{"Stump":464,"Machine":"3","Diameter":41.5,"Time":77.4,"Productivity":10.01}
{"Stump":465,"Machine":"3","Diameter":36,"Time":53.4,"Productivity":10.61}
{"Stump":466,"Machine":"3","Diameter":31.5,"Time":64.8,"Productivity":5.9}
{"Stump":467,"Machine":"3","Diameter":31.5,"Time":23.4,"Productivity":13.66}
{"Stump":468,"Machine":"3","Diameter":34,"Time":49.2,"Productivity":10.12}
{"Stump":469,"Machine":"3","Diameter":30,"Time":40.2,"Productivity":9.27}
{"Stump":470,"Machine":"3","Diameter":41.5,"Time":65.4,"Productivity":10.67}
{"Stump":471,"Machine":"3","Diameter":45.5,"Time":76.8,"Productivity":12.3}
{"Stump":472,"Machine":"3","Diameter":33,"Time":87,"Productivity":4.85}
{"Stump":473,"Machine":"3","Diameter":32.5,"Time":55.2,"Productivity":8.14}
{"Stump":474,"Machine":"3","Diameter":25.5,"Time":68.4,"Productivity":3.67}
{"Stump":475,"Machine":"3","Diameter":32,"Time":52.2,"Productivity":8.3}
{"Stump":476,"Machine":"3","Diameter":34.5,"Time":48,"Productivity":10.72}
{"Stump":477,"Machine":"3","Diameter":36,"Time":47.4,"Productivity":10.37}
{"Stump":478,"Machine":"3","Diameter":39,"Time":77.4,"Productivity":8.74}
{"Stump":479,"Machine":"3","Diameter":31,"Time":82.8,"Productivity":4.3}
{"Stump":480,"Machine":"3","Diameter":44,"Time":158.4,"Productivity":5.55}
{"Stump":481,"Machine":"3","Diameter":38,"Time":55.8,"Productivity":8.45}
{"Stump":482,"Machine":"3","Diameter":34,"Time":48,"Productivity":7.48}
{"Stump":483,"Machine":"3","Diameter":47,"Time":126,"Productivity":7.74}
{"Stump":484,"Machine":"3","Diameter":22,"Time":56.4,"Productivity":3}
{"Stump":485,"Machine":"3","Diameter":31.5,"Time":44.4,"Productivity":9.41}
{"Stump":486,"Machine":"3","Diameter":30.5,"Time":60,"Productivity":5.67}
{"Stump":487,"Machine":"3","Diameter":28.5,"Time":38.4,"Productivity":8.59}
{"Stump":488,"Machine":"3","Diameter":33.5,"Time":59.4,"Productivity":6.98}
{"Stump":489,"Machine":"3","Diameter":38,"Time":82.2,"Productivity":7.77}
{"Stump":490,"Machine":"3","Diameter":33,"Time":45.6,"Productivity":10.2}
{"Stump":491,"Machine":"3","Diameter":34.5,"Time":75.6,"Productivity":6.4}
{"Stump":492,"Machine":"3","Diameter":29,"Time":54.6,"Productivity":6.3}
{"Stump":493,"Machine":"3","Diameter":38.5,"Time":90.6,"Productivity":7.26}
{"Stump":494,"Machine":"3","Diameter":32.5,"Time":47.4,"Productivity":9.48}
{"Stump":496,"Machine":"3","Diameter":33,"Time":102,"Productivity":4.56}
{"Stump":497,"Machine":"3","Diameter":42,"Time":124.8,"Productivity":6.37}
{"Stump":498,"Machine":"3","Diameter":28,"Time":67.8,"Productivity":4.66}
{"Stump":499,"Machine":"3","Diameter":36,"Time":65.4,"Productivity":7.67}
{"Stump":500,"Machine":"3","Diameter":37.5,"Time":70.2,"Productivity":8.84}
{"Stump":501,"Machine":"3","Diameter":39,"Time":73.2,"Productivity":9.24}
{"Stump":502,"Machine":"3","Diameter":30,"Time":74.4,"Productivity":5.01}
{"Stump":503,"Machine":"3","Diameter":41.5,"Time":84.6,"Productivity":8.17}
{"Stump":504,"Machine":"3","Diameter":32.5,"Time":36,"Productivity":12.48}
{"Stump":505,"Machine":"3","Diameter":33.5,"Time":31.8,"Productivity":10.84}
{"Stump":506,"Machine":"3","Diameter":28,"Time":38.4,"Productivity":8.23}
{"Stump":507,"Machine":"3","Diameter":30,"Time":90,"Productivity":3.41}
{"Stump":508,"Machine":"3","Diameter":38.5,"Time":66.6,"Productivity":8.56}
{"Stump":509,"Machine":"3","Diameter":31,"Time":36.6,"Productivity":9.07}
{"Stump":510,"Machine":"3","Diameter":36.5,"Time":77.4,"Productivity":7.55}
{"Stump":511,"Machine":"3","Diameter":39.5,"Time":59.4,"Productivity":7.99}
{"Stump":512,"Machine":"3","Diameter":20,"Time":22.2,"Productivity":4.28}
{"Stump":513,"Machine":"3","Diameter":28,"Time":48.6,"Productivity":5.55}
{"Stump":514,"Machine":"3","Diameter":33,"Time":54,"Productivity":6.74}
{"Stump":515,"Machine":"3","Diameter":34,"Time":53.4,"Productivity":9.32}
{"Stump":516,"Machine":"3","Diameter":25.5,"Time":63,"Productivity":3.17}
{"Stump":517,"Machine":"3","Diameter":19.5,"Time":27,"Productivity":3.47}