D13133313221323331323331313113313233313231322331323331313222331   >>    D1313331322132333132333131311331323331323132233132333131322233   <<    D13133313221323331323331313113313233313231322331323331313222333   >>      D13133313221323331323331313113313233313231322331323331313222332   >>