23
0 0 0 2 3 3 4 5 2 3 4 7 0 3 9 14 0 3 2 15 13 0
68
0 1
0 2
0 3
0 4
0 5
0 6
0 7
0 8
0 9
0 10
0 11
0 12
0 13
0 14
0 15
0 16
0 17
0 18
0 19
0 20
0 21
0 22
8 14
10 19
13 17
6 22
5 19
14 22
1 16
3 16
15 21
1 11
10 14
6 10
12 14
3 9
11 15
3 22
15 16
6 11
10 12
16 20
6 14
10 17
4 22
13 15
5 14
10 21
2 5
8 18
3 12
16 18
8 22
11 21
8 11
14 20
13 20
3 7
3 15
3 14
10 18
6 7
16 17
10 15
4 5
12 19
2 14
2 6
