0
self
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
0
6
1
1
1
2
19
1
0
0
0
1
2
0
0
0
0
0
17
0
3
0
1
1
0
1
4
3
3
2
1
2