B33113313132313113313223313331323132313233313331313331333132313211232322333131   >>    B3311331313231311331322331333132313231323331333131333133313231321123232233313   <<    B33113313132313113313223313331323132313233313331313331333132313211232322333133   >>      B33113313132313113313223313331323132313233313331313331333132313211232322333132   >>