3
3
0
0
˷
 
0
1
28150
50
50
0
0
45
0
-1
-1
0
0
13
0
0
0
0
11
0
0
0
0
7
0
0
44
100
100
140
20
60
5
5
5
33
33
133
33
33
33
0
50
17
0
0
1
-1
0
44
67
471
824
0
0
0
0
0
0
700
450
450
999
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
