1978
16
53
475
0
53
2145
12
53
1010
0
53
946
0
53
12100
0
53
1500
7
53
1752
5
53
1109
0
53
1770
4
53
733
4
53
2153
3
53
2471
21
53
1854
5
53
1388
6
53
2136
2
53
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Keyword(s): Math