1259
0
45
2722
0
45
777
0
45
1279
0
45
1165
5
45
2733
14
45
1642
12
45
3459
2
45
1690
6
45
1597
2
45
1037
0
45
760
6
44
1479
1
44
1235
5
44
1332
13
44
2100
0
44
2880
1
44
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Keyword(s): #数学