2
9
0
1
1
10
0
1
2
12
0
1
1
11
0
1
3
8
0
2
4
7
0
2
4
11
0
2
3
12
0
2
5
12
0
3
5
7
0
3
5
8
0
3
5
9
0
3
5
10
0
3
6
11
0
4
6
9
0
4
6
10
0
4
6
8
0
4
6
7
0
4
13
14
0
10
6
14
13
0
10
6
15
16
0
9
5
16
15
0
9
5
17
18
0
11
7
18
17
0
11
7
19
20
0
12
8
20
19
0
12
8