examples/data.txt


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9
10

 0.9    1.1
 2.1    3.9
 3.1    9.2
 4.0   51.8
 4.9   25.3
 6.1   35.7
 7.0   49.4
 7.9    3.6
 9.1   81.5
10.2   99.5