D13133313221323331323331313113313233313231322331323132321113131   >>    D1313331322132333132333131311331323331323132233132313232111313   <<    D13133313221323331323331313113313233313231322331323132321113133   >>      D13133313221323331323331313113313233313231322331323132321113132   >>