sem2.txt

Clustering demo.very good

1,71.61904762
2,67.71428571
3,70.19047619
4,74.66666667
5,72.28571429
6,71.04761905
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8,68.47619048
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11,65.23809524
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58,65.42857143
59,69.9047619
60,63.42857143