4
bj
1
2
2
1
0
1
0
1
4
0
2
1
3
1
1
2
1
0
1
1
1
1
4
4
2
3
1
2
2
1
0
1
1
1
2
2
2
1
0
1
1
3
3
1
1
0
3
1
4
