0
x
2
= ?
1
x
19
= ?
10
x
0
= ?
0
x
2
= ?
1
x
6
= ?
1
x
20
= ?
4
x
1
= ?
1
x
16
= ?
17
x
0
= ?
3
x
4
= ?
19
20
16
0
0
0
4
6
0
12
0
x
3
= ?
0
x
13
= ?
20
x
1
= ?
2
x
10
= ?
1
x
19
= ?
0
x
1
= ?
0
x
4
= ?
5
x
3
= ?
5
x
1
= ?
0
x
13
= ?
0
0
0
20
15
20
0
19
5
0
20
0
0
conicimo