845
2
20
762
0
20
354
2
19
1126
0
19
695
0
18
481
2
17
437
0
17
837
4
17
722
0
17
1068
0
17
362
0
16
638
5
16
409
0
16
234
0
15
616
5
15
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Keyword(s): Lesson2 Our Energy Sources