2231
2
30
1187
0
30
1071
0
30
651
3
29
831
7
29
643
0
29
1160
0
29
3847
0
29
1179
0
29
782
2
28
332
2
28
382
0
28
688
0
28
1164
0
28
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Keyword(s): 正の数