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12 questions
4+4
6
3
7
8
6+1
2
4
7
0
1+3
7
3
9
4
9+0
9
1
7
3
8+0
3
8
4
1
6+1
7
1
4
6
2
1+1
2
4
7
9
2+4
1
5
7
6
9
5+2
7
1
2
5
5
1+9
9
0
1
3
10
8+4
9
3
7
5
12
6+6
12
2
40
23
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