4
0
0
4
2
1
8
0
0
4
0
0
6
0
0
4
1
0
9
0
0
4
0
0
4
0
0
8
0
0
8
0
0
9
0
0
8
0
0
8
0
0
8
0
0
9
0
0
2
1
4
7
0
0
9
0
0
8
0
0