B33113313132313113313223313331323132322132333133313331323112111   >>    B3311331313231311331322331333132313232213233313331333132311211   <<    B33113313132313113313223313331323132322132333133313331323112113   >>      B33113313132313113313223313331323132322132333133313331323112112   >>