vx
0
4
vx
1
8
vx
0
5
vx
0
3
vx
0
1
vx
0
1
vx
0
2
vx
0
1
vx
0
1
vx
0
1
vx
0
3
vx
0
2
vx
0
2
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
2
vx
0
1
vx
0
1
vx
0
1