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