2
2
2
0
2
4
2
0
0
0
0
4
0
4
4
4
0
0
9
0
6
0
2
2
2
4
4
4
0
4
2
2
0
6
4
2
4
0
2
6
2
4
6
6
0
2
0
8
2
4
0
2
2
9
2
7
2
2
4
26
0
0
4
2
8
4
0
2
2
6
6
7
4
5
0
2
9
2
2
2
0
2
0
2
3
4
4
4
4
0
2
4
0
6
2
2
0
2
0
0
4
4
4
5
2
2
4
4
3
2
2
0
2
0
2
2
0
48
0
2
4
4
2
2
9
0
8
0
2
4
2
0
2
6
3
0
2
37
6
2
0
0
0
2
2
0
2
13
4
2
2
2
2
2
0
0
0
2
4
2
4
2
2
0
2
2
8
4
2
4
0
2
2
4
0
2
4
0
0
4
2
2
2
2
2
2
2
2
0
2
4
0
2
0
4
0
0
2
0
0
61
4
0
2
2
0
3
0
0
0
2
0
4
6
2
2
2
4
2
4
4
4
2
2
0
2
2
2
0
4
0
0
2
0
2
0
2
2
0
2
0
0
4
2
2
2
0
2
0
0
4
2
0
7
2
2
0
0
2
0
0
9
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
