0

9
0 13
5 6
5 14
6 16
11 17
12 13
12 14
15 16
15 17

0

9
0 13
    1
    0 11
5 6
    1
    0 11
5 14
    1
    0 11
6 16
    1
    0 11
11 17
    1
    0 11
12 13
    1
    0 11
12 14
    1
    0 11
15 16
    1
    0 11
15 17
    1
    0 11
