questions

a

b

c

1

0

1

2

2

0

2

1

3

2

1

0

4

0

2

1

5

2

0

1

6

1

0

2

7

0

1

2

8

2

0

1

9

0

1

2

10

2

0

1

11

2

1

0

12

0

1

2