B33113313132313113313223313331323133313223313231333132333132323311211   >>    B3311331313231311331322331333132313331322331323133313233313232331121   <<    B33113313132313113313223313331323133313223313231333132333132323311213   >>      B33113313132313113313223313331323133313223313231333132333132323311212   >>