B33113313132313113313223313331323133313232233121133133313331333112111111   >>    B3311331313231311331322331333132313331323223312113313331333133311211111   <<    B33113313132313113313223313331323133313232233121133133313331333112111113   >>      B33113313132313113313223313331323133313232233121133133313331333112111112   >>