2
2
0
0

 
1
15
50
800
800
0
0
18
0
-1
-1
8
10
0
0
0
6
7
0
0
0
0
3
0
0
0
3
2000
2000
100
100
100
54
86
84
100
100
100
100
100
100
0
80
0
0
0
60
-1
0
3
438
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
