1991
21
91
1811
21
90
2070
18
90
1472
4
90
2441
1
89
1821
14
89
2649
2
89
1478
16
89
3966
2
88
4142
0
88
1800
33
88
2259
0
88
2250
28
88
2544
1
87
2863
0
87
1180
0
87
1860
1
86
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Keyword(s): Math