D13133313221323331323331313113313233313231322331323132323322231   >>    D1313331322132333132333131311331323331323132233132313232332223   <<    D13133313221323331323331313113313233313231322331323132323322233   >>      D13133313221323331323331313113313233313231322331323132323322232   >>