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{"conc":0.29,"empty":17.1}
{"conc":0.29,"empty":14.3}
{"conc":0.32,"empty":16.1}
{"conc":0.31,"empty":17.4}
{"conc":0.25,"empty":13.5}
{"conc":0.3,"empty":17.1}
{"conc":0.17,"empty":15}
{"conc":0.31,"empty":16.8}
{"conc":0.38,"empty":17.3}
{"conc":0.21,"empty":15.3}
{"conc":0.3,"empty":12.5}
{"conc":0.2,"empty":13.1}
{"conc":0.18,"empty":12.7}
{"conc":0.26,"empty":13}