2-5
3-6
4-1
5-2
1-4
3-2
3-6
4-1
5-2
1-6
3-2
4-5
1-2
4-6
5-3
1-4
2-5
3-6
1-4
1-4
2-5
3-6
2-3
4-5
6-1
4-6
1-6
2-3
4-5
1-4
1-6
2-3
4-5
2-5
3-6
4-1
3-6
1-6
3-2
5-4
1-6
2-3
4-5
2-1
3-5
4-6
-
5
-
-
2 
-
-
10
-
8 
-
-
15 19
-
13 19
-
-
-
13 15 
-