427
1
4
985
0
3
919
0
3
325
2
3
291
2
3
351
0
2
306
0
2
406
0
2
322
0
1
284
0
1
304
0
1
239
0
1
336
0
1
267
0
1
198
0
0
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Keyword(s): 難関