20 questions
7
12
6
5
7
8
13
14
15
16
-8
20
-20
74
38
86
8106
20
73
8
4
20
24
44
4
3
12
1
0
3
6
27
9
36
66
96
60
12
24
17
7
10
25
11
15
14
8
8
7
10
16
8
2
4
1
use x=4 and y=4
2
5
10
11
use p=4 and q=6
5
8
0
9
; use h=5 and j=5
10
6
5
0
use x=2 and y=1
3
1
6
0
where a=9 and b=3
36
12
6
93