D13133313221323331323331313113313233313231322331323132322333121   >>    D1313331322132333132333131311331323331323132233132313232233312   <<    D13133313221323331323331313113313233313231322331323132322333123   >>      D13133313221323331323331313113313233313231322331323132322333122   >>