1 20

2
1 1 
1 2

9
0 0 0 0 1 1 0 0 0 
1 2
1 3
1 4
1 5
1 6
5 7
6 8
8 9

2
0 1 
1 2

7
0 1 0 1 1 1 1 
1 2
2 3
2 4
2 5
5 6
6 7

11
0 1 0 1 1 1 0 0 1 0 1 
1 2
1 3
3 4
1 5
2 6
4 7
3 8
2 9
4 10
7 11

12
1 0 0 0 0 1 1 0 0 1 0 0 
1 2
2 3
3 4
2 5
3 6
1 7
7 8
7 9
4 10
6 11
10 12

7
0 1 1 1 1 1 1 
1 2
2 3
1 4
2 5
3 6
4 7

14
1 0 1 1 0 0 1 0 1 1 1 0 0 0 
1 2
2 3
2 4
2 5
3 6
6 7
7 8
2 9
3 10
5 11
7 12
8 13
8 14

3
1 0 1 
1 2
2 3

4
0 0 1 0 
1 2
1 3
1 4

1
0 

1
0 

5
1 1 0 0 1 
1 2
1 3
3 4
3 5

14
0 0 0 0 0 0 1 0 0 1 0 0 1 0 
1 2
1 3
1 4
1 5
1 6
4 7
1 8
5 9
6 10
9 11
1 12
5 13
11 14

4
0 0 0 1 
1 2
2 3
1 4

5
1 0 1 1 1 
1 2
1 3
3 4
2 5

14
1 0 1 0 0 0 1 0 0 1 1 1 0 0 
1 2
1 3
1 4
4 5
2 6
6 7
7 8
5 9
6 10
9 11
6 12
8 13
7 14

6
1 1 0 0 0 0 
1 2
1 3
3 4
4 5
3 6

14
1 1 0 0 1 0 1 1 1 1 0 1 0 0 
1 2
2 3
3 4
4 5
1 6
1 7
5 8
4 9
2 10
9 11
11 12
8 13
12 14

8
1 0 1 1 1 1 1 1 
1 2
1 3
1 4
4 5
5 6
4 7
4 8