B3311331313231311331322331333132313331323131323223313112211232322231   >>    B331133131323131133132233133313231333132313132322331311221123232223   <<    B3311331313231311331322331333132313331323131323223313112211232322233   >>      B3311331313231311331322331333132313331323131323223313112211232322232   >>