30 30 49 2
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
3 10
7 8
7 9
7 10
7 11
8 8
8 9
8 11
14 27
14 28
18 10
18 12
18 14
18 16
18 18
27 19
27 20
27 30
29 30
30 30
10 10
10 11
NNSSSNNNSSSNNNNNNNNNNNNNNEEEEEEEEEEEEEEEEEEE
