Number?
2
ABC
c
ABC
D
A or B?
a
ABC
c
Number?
2
A or B?
b
A or B?
a
A or B?
b
Number?
3
A or B?
b
A or B?
a
Number?
2
Number?
3
ABC
D
Number?
1
ABC
D
A or B?
a
ABC
c