1774
0
45
1709
2
45
2761
0
45
1033
0
45
1548
0
45
1172
0
45
1767
10
45
1700
0
45
1557
0
45
1616
0
45
1495
1
45
1069
2
45
1185
0
45
1153
0
45
1570
0
45
1554
0
45
1118
0
44
1647
0
44
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Keyword(s): 数学