Good
behavior on
the bus
earns you
prizes
O
G
N
G
N
O
O
I
B
N
G
O
G
I
B
B
I
O
B
I
I
G
N
N
B
Size:
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Start
O
History
Start
O
G
N
G
N
O
O
I
B
N
G
O
G
I
B
B
I
O
B
I
I
G
N
N
B
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