20000
3
15552
0
17809
0
13234
0
16688
0
14256
0
16452
0
15028
0
15503
0
20065
0
23108
0
14329
0
14378
0
16294
1
15507
0
18147
0
13488
0
17566
0
13516
1
14760
0
15078
0
15546
0
17424
1
15198
0
