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