3001 3
376 0
1027 0
455 0
2526 0
777 0
305 0
377 0
7377 0
178 0
1727 0
978 0
553 0
251 0
2380 0
1052 0
504 0
1277 0
1629 0
1452 0
726 0
1505 0
10679 0
3626 0