B 
C 
B 
C 
B 
C 
D 
D 
A 
C 
B 
D 
D 
A 
D 
A 
D 
A 
B 
C 
D 
B 
C 
A 
A 
D 
C 
B 
A 
B 
A 
A 
C 
B 
B 
C 
A 
B 
C 
A 
C 
B 
D 
A 
C 
D 
A 
B 
A 
B 
C 
A 
C 
D 
A 
C 
C 
A 
D 
B 
A 
A 
D 
A 
A 
C 
C 
A 
D 
C 
A 
D 
B 
B 
D 
A 
B 
B 
C 
D 
C 
B 
A