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