1-2 = 0
1-3 = 0
1-4 = 0
1-5 = 0
1-6 = 0
1-7 = 0
1-8 = 0
1-9 = 0
1-10 = 0
1-11 = 0
1-12 = 0
1-13 = 0
1-14 = 0
1-15 = 0
1-16 = 0
1-17 = 0
1-18 = 0
1-19 = 0
1-20 = 0
1-21 = 0
1-22 = 0
1-23 = 0
1-24 = 0
1-25 = 0
1-26 = 0
1-27 = 0
1-28 = 0
1-29 = 0
1-30 = 0
1-31 = 0
1-32 = 0
1-33 = 0
1-34 = 0
1-35 = 0
1-36 = 0
1-37 = 0
1-38 = 0
1-39 = 0
1-40 = 0
1-41 = 0
1-42 = 0
1-43 = 0
1-44 = 0
1-45 = 0
1-46 = 0
1-47 = 0
1-48 = 0
1-49 = 0
2-3 = 0
2-4 = 0
2-5 = 0
2-6 = 0
2-7 = 0
2-8 = 0
2-9 = 0
2-10 = 0
2-11 = 0
2-12 = 0
2-13 = 0
2-14 = 0
2-15 = 0
2-16 = 0
2-17 = 0
2-18 = 0
2-19 = 0
2-20 = 0
2-21 = 0
2-22 = 0
2-23 = 0
2-24 = 0
2-25 = 0
2-26 = 0
2-27 = 0
2-28 = 0
2-29 = 0
2-30 = 0
2-31 = 0
2-32 = 0
2-33 = 0
2-34 = 0
2-35 = 0
2-36 = 0
2-37 = 0
2-38 = 0
2-39 = 0
2-40 = 0
2-41 = 0
2-42 = 0
2-43 = 0
2-44 = 0
2-45 = 0
2-46 = 0
2-47 = 0
2-48 = 0
2-49 = 0
3-4 = 0
3-5 = 0
3-6 = 0
3-7 = 0
3-8 = 0
3-9 = 0
3-10 = 0
3-11 = 0
3-12 = 0
3-13 = 0
3-14 = 0
3-15 = 0
3-16 = 0
3-17 = 0
3-18 = 0
3-19 = 0
3-20 = 0
3-21 = 0
3-22 = 0
3-23 = 0
3-24 = 0
3-25 = 0
3-26 = 0
3-27 = 0
3-28 = 0
3-29 = 0
3-30 = 0
3-31 = 0
3-32 = 0
3-33 = 0
3-34 = 0
3-35 = 0
3-36 = 0
3-37 = 0
3-38 = 0
3-39 = 0
3-40 = 0
3-41 = 0
3-42 = 0
3-43 = 0
3-44 = 0
3-45 = 0
3-46 = 0
3-47 = 0
3-48 = 0
3-49 = 0
4-5 = 0
4-6 = 0
4-7 = 0
4-8 = 0
4-9 = 0
4-10 = 0
4-11 = 0
4-12 = 0
4-13 = 0
4-14 = 0
4-15 = 0
4-16 = 0
4-17 = 0
4-18 = 0
4-19 = 0
4-20 = 0
4-21 = 0
4-22 = 0
4-23 = 0
4-24 = 0
4-25 = 0
4-26 = 0
4-27 = 0
4-28 = 0
4-29 = 0
4-30 = 0
4-31 = 0
4-32 = 0
4-33 = 0
4-34 = 0
4-35 = 0
4-36 = 0
4-37 = 0
4-38 = 0
4-39 = 0
4-40 = 0
4-41 = 0
4-42 = 0
4-43 = 0
4-44 = 0
4-45 = 0
4-46 = 0
4-47 = 0
4-48 = 0
4-49 = 0
5-6 = 0
5-7 = 0
5-8 = 0
5-9 = 0
5-10 = 0
5-11 = 0
5-12 = 0
5-13 = 0
5-14 = 0
5-15 = 0
5-16 = 0
5-17 = 0
5-18 = 0
5-19 = 0
5-20 = 0
5-21 = 0
5-22 = 0
5-23 = 0
5-24 = 0
5-25 = 0
5-26 = 0
5-27 = 0
5-28 = 0
5-29 = 0
5-30 = 0
5-31 = 0
5-32 = 0
5-33 = 0
5-34 = 0
5-35 = 0
5-36 = 0
5-37 = 0
5-38 = 0
5-39 = 0
5-40 = 0
5-41 = 0
5-42 = 0
5-43 = 0
5-44 = 0
5-45 = 0
5-46 = 0
5-47 = 0
5-48 = 0
5-49 = 0
6-7 = 0
6-8 = 0
6-9 = 0
6-10 = 0
6-11 = 0
6-12 = 0
6-13 = 0
6-14 = 0
6-15 = 0
6-16 = 0
6-17 = 0
6-18 = 0
6-19 = 0
6-20 = 0
6-21 = 0
6-22 = 0
6-23 = 0
6-24 = 0
6-25 = 0
6-26 = 0
6-27 = 0
6-28 = 0
6-29 = 0
6-30 = 0
6-31 = 0
6-32 = 0
6-33 = 0
6-34 = 0
6-35 = 0
6-36 = 0
6-37 = 0
6-38 = 0
6-39 = 0
6-40 = 0
6-41 = 0
6-42 = 0
6-43 = 0
6-44 = 0
6-45 = 0
6-46 = 0
6-47 = 0
6-48 = 0
6-49 = 0
7-8 = 0
7-9 = 0
7-10 = 0
7-11 = 0
7-12 = 0
7-13 = 0
7-14 = 0
7-15 = 0
7-16 = 0
7-17 = 0
7-18 = 0
7-19 = 0
7-20 = 0
7-21 = 0
7-22 = 0
7-23 = 0
7-24 = 0
7-25 = 0
7-26 = 0
7-27 = 0
7-28 = 0
7-29 = 0
7-30 = 0
7-31 = 0
7-32 = 0
7-33 = 0
7-34 = 0
7-35 = 0
7-36 = 0
7-37 = 0
7-38 = 0
7-39 = 0
7-40 = 0
7-41 = 0
7-42 = 0
7-43 = 0
7-44 = 0
7-45 = 0
7-46 = 0
7-47 = 0
7-48 = 0
7-49 = 0
8-9 = 0
8-10 = 0
8-11 = 0
8-12 = 0
8-13 = 0
8-14 = 0
8-15 = 0
8-16 = 0
8-17 = 0
8-18 = 0
8-19 = 0
8-20 = 0
8-21 = 0
8-22 = 0
8-23 = 0
8-24 = 0
8-25 = 0
8-26 = 0
8-27 = 0
8-28 = 0
8-29 = 0
8-30 = 0
8-31 = 0
8-32 = 0
8-33 = 0
8-34 = 0
8-35 = 0
8-36 = 0
8-37 = 0
8-38 = 0
8-39 = 0
8-40 = 0
8-41 = 0
8-42 = 0
8-43 = 0
8-44 = 0
8-45 = 0
8-46 = 0
8-47 = 0
8-48 = 0
8-49 = 0
9-10 = 0
9-11 = 0
9-12 = 0
9-13 = 0
9-14 = 0
9-15 = 0
9-16 = 0
9-17 = 0
9-18 = 0
9-19 = 0
9-20 = 0
9-21 = 0
9-22 = 0
9-23 = 0
9-24 = 0
9-25 = 0
9-26 = 0
9-27 = 0
9-28 = 0
9-29 = 0
9-30 = 0
9-31 = 0
9-32 = 0
9-33 = 0
9-34 = 0
9-35 = 0
9-36 = 0
9-37 = 0
9-38 = 0
9-39 = 0
9-40 = 0
9-41 = 0
9-42 = 0
9-43 = 0
9-44 = 0
9-45 = 0
9-46 = 0
9-47 = 0
9-48 = 0
9-49 = 0
10-11 = 0
10-12 = 0
10-13 = 0
10-14 = 0
10-15 = 0
10-16 = 0
10-17 = 0
10-18 = 0
10-19 = 0
10-20 = 0
10-21 = 0
10-22 = 0
10-23 = 0
10-24 = 0
10-25 = 0
10-26 = 0
10-27 = 0
10-28 = 0
10-29 = 0
10-30 = 0
10-31 = 0
10-32 = 0
10-33 = 0
10-34 = 0
10-35 = 0
10-36 = 0
10-37 = 0
10-38 = 0
10-39 = 0
10-40 = 0
10-41 = 0
10-42 = 0
10-43 = 0
10-44 = 0
10-45 = 0
10-46 = 0
10-47 = 0
10-48 = 0
10-49 = 0
11-12 = 0
11-13 = 0
11-14 = 0
11-15 = 0
11-16 = 0
11-17 = 0
11-18 = 0
11-19 = 0
11-20 = 0
11-21 = 0
11-22 = 0
11-23 = 0
11-24 = 0
11-25 = 0
11-26 = 0
11-27 = 0
11-28 = 0
11-29 = 0
11-30 = 0
11-31 = 0
11-32 = 0
11-33 = 0
11-34 = 0
11-35 = 0
11-36 = 0
11-37 = 0
11-38 = 0
11-39 = 0
11-40 = 0
11-41 = 0
11-42 = 0
11-43 = 0
11-44 = 0
11-45 = 0
11-46 = 0
11-47 = 0
11-48 = 0
11-49 = 0
12-13 = 0
12-14 = 0
12-15 = 0
12-16 = 0
12-17 = 0
12-18 = 0
12-19 = 0
12-20 = 0
12-21 = 0
12-22 = 0
12-23 = 0
12-24 = 0
12-25 = 0
12-26 = 0
12-27 = 0
12-28 = 0
12-29 = 0
12-30 = 0
12-31 = 0
12-32 = 0
12-33 = 0
12-34 = 0
12-35 = 0
12-36 = 0
12-37 = 0
12-38 = 0
12-39 = 0
12-40 = 0
12-41 = 0
12-42 = 0
12-43 = 0
12-44 = 0
12-45 = 0
12-46 = 0
12-47 = 0
12-48 = 0
12-49 = 0
13-14 = 0
13-15 = 0
13-16 = 0
13-17 = 0
13-18 = 0
13-19 = 0
13-20 = 0
13-21 = 0
13-22 = 0
13-23 = 0
13-24 = 0
13-25 = 0
13-26 = 0
13-27 = 0
13-28 = 0
13-29 = 0
13-30 = 0
13-31 = 0
13-32 = 0
13-33 = 0
13-34 = 0
13-35 = 0
13-36 = 0
13-37 = 0
13-38 = 0
13-39 = 0
13-40 = 0
13-41 = 0
13-42 = 0
13-43 = 0
13-44 = 0
13-45 = 0
13-46 = 0
13-47 = 0
13-48 = 0
13-49 = 0
14-15 = 0
14-16 = 0
14-17 = 0
14-18 = 0
14-19 = 0
14-20 = 0
14-21 = 0
14-22 = 0
14-23 = 0
14-24 = 0
14-25 = 0
14-26 = 0
14-27 = 0
14-28 = 0
14-29 = 0
14-30 = 0
14-31 = 0
14-32 = 0
14-33 = 0
14-34 = 0
14-35 = 0
14-36 = 0
14-37 = 0
14-38 = 0
14-39 = 0
14-40 = 0
14-41 = 0
14-42 = 0
14-43 = 0
14-44 = 0
14-45 = 0
14-46 = 0
14-47 = 0
14-48 = 0
14-49 = 0
15-16 = 0
15-17 = 0
15-18 = 0
15-19 = 0
15-20 = 0
15-21 = 0
15-22 = 0
15-23 = 0
15-24 = 0
15-25 = 0
15-26 = 0
15-27 = 0
15-28 = 0
15-29 = 0
15-30 = 0
15-31 = 0
15-32 = 0
15-33 = 0
15-34 = 0
15-35 = 0
15-36 = 0
15-37 = 0
15-38 = 0
15-39 = 0
15-40 = 0
15-41 = 0
15-42 = 0
15-43 = 0
15-44 = 0
15-45 = 0
15-46 = 0
15-47 = 0
15-48 = 0
15-49 = 0
16-17 = 0
16-18 = 0
16-19 = 0
16-20 = 0
16-21 = 0
16-22 = 0
16-23 = 0
16-24 = 0
16-25 = 0
16-26 = 0
16-27 = 0
16-28 = 0
16-29 = 0
16-30 = 0
16-31 = 0
16-32 = 0
16-33 = 0
16-34 = 0
16-35 = 0
16-36 = 0
16-37 = 0
16-38 = 0
16-39 = 0
16-40 = 0
16-41 = 0
16-42 = 0
16-43 = 0
16-44 = 0
16-45 = 0
16-46 = 0
16-47 = 0
16-48 = 0
16-49 = 0
17-18 = 0
17-19 = 0
17-20 = 0
17-21 = 0
17-22 = 0
17-23 = 0
17-24 = 0
17-25 = 0
17-26 = 0
17-27 = 0
17-28 = 0
17-29 = 0
17-30 = 0
17-31 = 0
17-32 = 0
17-33 = 0
17-34 = 0
17-35 = 0
17-36 = 0
17-37 = 0
17-38 = 0
17-39 = 0
17-40 = 0
17-41 = 0
17-42 = 0
17-43 = 0
17-44 = 0
17-45 = 0
17-46 = 0
17-47 = 0
17-48 = 0
17-49 = 0
18-19 = 0
18-20 = 0
18-21 = 0
18-22 = 0
18-23 = 0
18-24 = 0
18-25 = 0
18-26 = 0
18-27 = 0
18-28 = 0
18-29 = 0
18-30 = 0
18-31 = 0
18-32 = 0
18-33 = 0
18-34 = 0
18-35 = 0
18-36 = 0
18-37 = 0
18-38 = 0
18-39 = 0
18-40 = 0
18-41 = 0
18-42 = 0
18-43 = 0
18-44 = 0
18-45 = 0
18-46 = 0
18-47 = 0
18-48 = 0
18-49 = 0
19-20 = 0
19-21 = 0
19-22 = 0
19-23 = 0
19-24 = 0
19-25 = 0
19-26 = 0
19-27 = 0
19-28 = 0
19-29 = 0
19-30 = 0
19-31 = 0
19-32 = 0
19-33 = 0
19-34 = 0
19-35 = 0
19-36 = 0
19-37 = 0
19-38 = 0
19-39 = 0
19-40 = 0
19-41 = 0
19-42 = 0
19-43 = 0
19-44 = 0
19-45 = 0
19-46 = 0
19-47 = 0
19-48 = 0
19-49 = 0
20-21 = 0
20-22 = 0
20-23 = 0
20-24 = 0
20-25 = 0
20-26 = 0
20-27 = 0
20-28 = 0
20-29 = 0
20-30 = 0
20-31 = 0
20-32 = 0
20-33 = 0
20-34 = 0
20-35 = 0
20-36 = 0
20-37 = 0
20-38 = 0
20-39 = 0
20-40 = 0
20-41 = 0
20-42 = 0
20-43 = 0
20-44 = 0
20-45 = 0
20-46 = 0
20-47 = 0
20-48 = 0
20-49 = 0
21-22 = 0
21-23 = 0
21-24 = 0
21-25 = 0
21-26 = 0
21-27 = 0
21-28 = 0
21-29 = 0
21-30 = 0
21-31 = 0
21-32 = 0
21-33 = 0
21-34 = 0
21-35 = 0
21-36 = 0
21-37 = 0
21-38 = 0
21-39 = 0
21-40 = 0
21-41 = 0
21-42 = 0
21-43 = 0
21-44 = 0
21-45 = 0
21-46 = 0
21-47 = 0
21-48 = 0
21-49 = 0
22-23 = 0
22-24 = 0
22-25 = 0
22-26 = 0
22-27 = 0
22-28 = 0
22-29 = 0
22-30 = 0
22-31 = 0
22-32 = 0
22-33 = 0
22-34 = 0
22-35 = 0
22-36 = 0
22-37 = 0
22-38 = 0
22-39 = 0
22-40 = 0
22-41 = 0
22-42 = 0
22-43 = 0
22-44 = 0
22-45 = 0
22-46 = 0
22-47 = 0
22-48 = 0
22-49 = 0
23-24 = 0
23-25 = 0
23-26 = 0
23-27 = 0
23-28 = 0
23-29 = 0
23-30 = 0
23-31 = 0
23-32 = 0
23-33 = 0
23-34 = 0
23-35 = 0
23-36 = 0
23-37 = 0
23-38 = 0
23-39 = 0
23-40 = 0
23-41 = 0
23-42 = 0
23-43 = 0
23-44 = 0
23-45 = 0
23-46 = 0
23-47 = 0
23-48 = 0
23-49 = 0
24-25 = 0
24-26 = 0
24-27 = 0
24-28 = 0
24-29 = 0
24-30 = 0
24-31 = 0
24-32 = 0
24-33 = 0
24-34 = 0
24-35 = 0
24-36 = 0
24-37 = 0
24-38 = 0
24-39 = 0
24-40 = 0
24-41 = 0
24-42 = 0
24-43 = 0
24-44 = 0
24-45 = 0
24-46 = 0
24-47 = 0
24-48 = 0
24-49 = 0
25-26 = 0
25-27 = 0
25-28 = 0
25-29 = 0
25-30 = 0
25-31 = 0
25-32 = 0
25-33 = 0
25-34 = 0
25-35 = 0
25-36 = 0
25-37 = 0
25-38 = 0
25-39 = 0
25-40 = 0
25-41 = 0
25-42 = 0
25-43 = 0
25-44 = 0
25-45 = 0
25-46 = 0
25-47 = 0
25-48 = 0
25-49 = 0
26-27 = 0
26-28 = 0
26-29 = 0
26-30 = 0
26-31 = 0
26-32 = 0
26-33 = 0
26-34 = 0
26-35 = 0
26-36 = 0
26-37 = 0
26-38 = 0
26-39 = 0
26-40 = 0
26-41 = 0
26-42 = 0
26-43 = 0
26-44 = 0
26-45 = 0
26-46 = 0
26-47 = 0
26-48 = 0
26-49 = 0
27-28 = 0
27-29 = 0
27-30 = 0
27-31 = 0
27-32 = 0
27-33 = 0
27-34 = 0
27-35 = 0
27-36 = 0
27-37 = 0
27-38 = 0
27-39 = 0
27-40 = 0
27-41 = 0
27-42 = 0
27-43 = 0
27-44 = 0
27-45 = 0
27-46 = 0
27-47 = 0
27-48 = 0
27-49 = 0
28-29 = 0
28-30 = 0
28-31 = 0
28-32 = 0
28-33 = 0
28-34 = 0
28-35 = 0
28-36 = 0
28-37 = 0
28-38 = 0
28-39 = 0
28-40 = 0
28-41 = 0
28-42 = 0
28-43 = 0
28-44 = 0
28-45 = 0
28-46 = 0
28-47 = 0
28-48 = 0
28-49 = 0
29-30 = 0
29-31 = 0
29-32 = 0
29-33 = 0
29-34 = 0
29-35 = 0
29-36 = 0
29-37 = 0
29-38 = 0
29-39 = 0
29-40 = 0
29-41 = 0
29-42 = 0
29-43 = 0
29-44 = 0
29-45 = 0
29-46 = 0
29-47 = 0
29-48 = 0
29-49 = 0
30-31 = 0
30-32 = 0
30-33 = 0
30-34 = 0
30-35 = 0
30-36 = 0
30-37 = 0
30-38 = 0
30-39 = 0
30-40 = 0
30-41 = 0
30-42 = 0
30-43 = 0
30-44 = 0
30-45 = 0
30-46 = 0
30-47 = 0
30-48 = 0
30-49 = 0
31-32 = 0
31-33 = 0
31-34 = 0
31-35 = 0
31-36 = 0
31-37 = 0
31-38 = 0
31-39 = 0
31-40 = 0
31-41 = 0
31-42 = 0
31-43 = 0
31-44 = 0
31-45 = 0
31-46 = 0
31-47 = 0
31-48 = 0
31-49 = 0
32-33 = 0
32-34 = 0
32-35 = 0
32-36 = 0
32-37 = 0
32-38 = 0
32-39 = 0
32-40 = 0
32-41 = 0
32-42 = 0
32-43 = 0
32-44 = 0
32-45 = 0
32-46 = 0
32-47 = 0
32-48 = 0
32-49 = 0
33-34 = 0
33-35 = 0
33-36 = 0
33-37 = 0
33-38 = 0
33-39 = 0
33-40 = 0
33-41 = 0
33-42 = 0
33-43 = 0
33-44 = 0
33-45 = 0
33-46 = 0
33-47 = 0
33-48 = 0
33-49 = 0
34-35 = 0
34-36 = 0
34-37 = 0
34-38 = 0
34-39 = 0
34-40 = 0
34-41 = 0
34-42 = 0
34-43 = 0
34-44 = 0
34-45 = 0
34-46 = 0
34-47 = 0
34-48 = 0
34-49 = 0
35-36 = 0
35-37 = 0
35-38 = 0
35-39 = 0
35-40 = 0
35-41 = 0
35-42 = 0
35-43 = 0
35-44 = 0
35-45 = 0
35-46 = 0
35-47 = 0
35-48 = 0
35-49 = 0
36-37 = 0
36-38 = 0
36-39 = 0
36-40 = 0
36-41 = 0
36-42 = 0
36-43 = 0
36-44 = 0
36-45 = 0
36-46 = 0
36-47 = 0
36-48 = 0
36-49 = 0
37-38 = 0
37-39 = 0
37-40 = 0
37-41 = 0
37-42 = 0
37-43 = 0
37-44 = 0
37-45 = 0
37-46 = 0
37-47 = 0
37-48 = 0
37-49 = 0
38-39 = 0
38-40 = 0
38-41 = 0
38-42 = 0
38-43 = 0
38-44 = 0
38-45 = 0
38-46 = 0
38-47 = 0
38-48 = 0
38-49 = 0
39-40 = 0
39-41 = 0
39-42 = 0
39-43 = 0
39-44 = 0
39-45 = 0
39-46 = 0
39-47 = 0
39-48 = 0
39-49 = 0
40-41 = 0
40-42 = 0
40-43 = 0
40-44 = 0
40-45 = 0
40-46 = 0
40-47 = 0
40-48 = 0
40-49 = 0
41-42 = 0
41-43 = 0
41-44 = 0
41-45 = 0
41-46 = 0
41-47 = 0
41-48 = 0
41-49 = 0
42-43 = 0
42-44 = 0
42-45 = 0
42-46 = 0
42-47 = 0
42-48 = 0
42-49 = 0
43-44 = 0
43-45 = 0
43-46 = 0
43-47 = 0
43-48 = 0
43-49 = 0
44-45 = 0
44-46 = 0
44-47 = 0
44-48 = 0
44-49 = 0
45-46 = 0
45-47 = 0
45-48 = 0
45-49 = 0
46-47 = 0
46-48 = 0
46-49 = 0
47-48 = 0
47-49 = 0
48-49 = 0