study
O
O
G
G
I
G
O
G
I
B
N
G
I
I
N
B
N
B
N
I
B
O
B
O
Size:
Manually select next item
Start
O
History
Start
O
O
G
G
I
G
O
G
I
B
N
G
I
I
N
B
N
B
N
I
B
O
B
O
Select next item: