Out-degree	Count
0	9
2	8
Out-degree	Count
0	50
2	49
Out-degree	Count
0	7
2	6
Out-degree	Count
0	17
2	16
Out-degree	Count
0	67
67	1
Out-degree	Count
0	67
2	1
3	1
4	2
5	2
10	1
12	1
13	1
18	1
