1
0
0
2
3
0
0
0
0
0
4
5
6
0
0
0
0
0
0
0
7
8
9
10
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
0
0
0
0
0
0
0
0
0
0
0
0
11
12
13
14
15