0
1
2
0
0
0
0
0
0
1
1
2
1
0
0
0
0
0
0
1
3
0
0
0
0
0
0
0
1
3
0
0
0
0
0
0
0
1
3
0
0
0
0
0
0
0
1
3
0
0
0
0
0
0
6
1
4
2
4
0
0
0
0
0
1
4
0
0
0
0
0
0
0
1
4
0
0
0
0
0
0
0
1
4
0
0
0
0
0
0
20
1
4
14
6
0
0
0
0
1
1
4
1
0
0
0
0
0
3
1
5
1
2
0
0
0
0
0
1
5
0
0
0
0
0
0
3
1
5
2
1
0
0
0
0
31
1
7
16
15
0
0
0
0
0
1
7
0
0
0
0
0
0
0
1
8
0
0
0
0
0
0
0
1
8
0
0
0
0
0
0
10
1
8
5
5
0
0
0
0
1
1
10
0
1
0
0
0
0
0
1
11
0
0
0
0
0
0
0
1
12
0
0
0
0
0
0
1
1
13
0
1
0
0
0
0
1
1
13
0
1
0
0
0
0
2
1
14
1
1
0
0
0
0