x 18
x3
0
1
0
2
0
3
0
4
x 5
x1
0
1
0
2
0
3
0
4
x 3
x2
0
1
0
2
0
3
0
4
x 1.5
x2
0
1
0
2
0
3
0
4
x 1.15
x1
0
1
0
2
0
3
0
4
