499
2
17
776
2
17
739
0
17
674
0
17
270
0
17
640
0
17
598
0
16
489
0
16
274
0
16
812
2
16
502
0
16
1089
0
16
488
0
16
173
4
16
1062
2
16
291
0
16
590
4
16
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Keyword(s): physics