1 2 16 27

0 0 1

9 3 0

1 7 13

0 2 10

1 7 10 8

1 9 15

1 6 10 14

1 6 10 14

1 4 7 27

1 8 3 15

1 6 7 21

1 8 3 15

1 11 0 0

1 11 0 0