1394
2
21
823
1
21
827
0
21
1335
0
21
1187
3
20
522
2
20
664
0
20
561
0
19
342
0
19
732
0
19
1263
2
19
500
0
19
246
0
19
743
0
19
596
0
19
1900
1
19
426
0
18
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Keyword(s): grammar