B3311331313231311331322331333132313231323331333131123313331323223313331121231   >>    B331133131323131133132233133313231323132333133313112331333132322331333112123   <<    B3311331313231311331322331333132313231323331333131123313331323223313331121233   >>      B3311331313231311331322331333132313231323331333131123313331323223313331121232   >>