8
8
0
0

 
0
1
7750
50
50
0
0
48
0
-1
-1
0
9
0
0
0
0
8
0
0
0
0
5
0
0
0
23
100
100
40
10
10
0
0
0
33
50
33
33
33
33
0
50
0
0
0
1
-1
0
23
484
0
0
0
0
0
0
0
0
900
450
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
