3
x
0
= ?
10
x
0
= ?
0
x
6
= ?
2
x
2
= ?
7
x
1
= ?
2
x
4
= ?
1
x
2
= ?
7
x
1
= ?
1
x
0
= ?
7
x
0
= ?
0
0
8
7
2
0
0
0
4
7
8
x
0
= ?
3
x
0
= ?
1
x
3
= ?
4
x
2
= ?
5
x
0
= ?
0
x
3
= ?
5
x
0
= ?
4
x
0
= ?
0
x
10
= ?
8
x
1
= ?
0
0
0
0
0
3
0
0
8
8
20
0
0
conicimo