8
8
0
0

 
0
40
7750
750
750
0
0
48
0
-1
-1
0
9
0
0
0
0
8
0
0
0
0
5
0
0
0
23
1000
1000
200
50
50
0
0
0
100
150
100
100
100
100
0
20
0
0
0
60
-1
0
23
484
0
0
0
0
0
0
0
0
900
450
0
0
0
0
0
0
0
0
