1 --> 3
1 --> 2
3 --> 2
1 --> 3
2 --> 1
2 --> 3
1 --> 3
1 --> 2
3 --> 2
3 --> 1
2 --> 1
3 --> 2
1 --> 3
1 --> 2
3 --> 2
1 --> 3
2 --> 1
2 --> 3
1 --> 3
2 --> 1
3 --> 2
3 --> 1
2 --> 1
2 --> 3
1 --> 3
1 --> 2
3 --> 2
1 --> 3
2 --> 1
2 --> 3
1 --> 3