Out-degree	Count
0	1
1	1
Out-degree	Count
0	3
2	2
Out-degree	Count
0	1
1	1
Out-degree	Count
0	19
19	1
Out-degree	Count
0	17
2	16
Out-degree	Count
0	2
2	1
Out-degree	Count
0	21
3	1
19	1
