双j

j
0
2
j
0
1
j
0
2
j
0
1
j
0
1
j
0
1
j
0
1
j
0
3
j
0
1
j
0
1
j
0
2
j
0
2
j
0
2
j
0
2
j
0
2
j
0
1
j
0
1
j
0
1
j
0
4