0
x
3
= ?
0
x
4
= ?
3
x
1
= ?
0
x
4
= ?
3
x
2
= ?
1
x
0
= ?
4
x
2
= ?
0
x
7
= ?
1
x
9
= ?
4
x
2
= ?
0
0
8
6
8
0
0
0
3
9
8
x
0
= ?
1
x
1
= ?
4
x
1
= ?
4
x
0
= ?
1
x
0
= ?
8
x
0
= ?
3
x
2
= ?
0
x
9
= ?
9
x
1
= ?
0
x
6
= ?
1
0
4
0
6
0
0
0
0
9
20
0
0
conicimo