Days 1 23456700 8 9 10 11 12 13 14 15 16 17 18 19 20 1 7.05 6.85 7.04 7.12 6.94 6.87 6.92 7.02 7.11 7.02 6.93 7.02 7.03 7.04 6.98 7.09 7.01 7.02 7.13 7.14 Samples 2 6.95 6.92 7.08 7.03 6.92 7.07 6.95 7.02 7.09 6.91 6.8 6.9 7.12 7.03 6.94 7 7.1 6.92 7.16 6.92 3 7.6 7.12 6.8 7 7.04 7.12 7.31 6.98 7.01 7 6.92 7.01 6.95 7.03 6.94 7.05 7.16 7.24 7.02 7 4 7.11 7.03 7.12 7.09 6.95 7.12 7.14 6.93 7.05 7 7.1 6.95 6.85 6.79 7.04 6.94 7.02 7 6.9 7.01

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