vx
0
5
vx
0
1
vx
0
1
vx
0
1
vx
0
3
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
3
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1
vx
0
1