bn
1
0
0
20
sf
0
0
0
4
sf
0
0
0
2
3e3e
0
0
0
2
sf
0
0
0
3
sf
0
0
0
4
bn
1
0
0
20
sf
0
0
0
4
sf
0
0
0
2
3e3e
0
0
0
2
sf
0
0
0
3
sf
0
0
0
4