D13133313221323331323331313113313233313231322331323131133132322111   >>    D1313331322132333132333131311331323331323132233132313113313232211   <<    D13133313221323331323331313113313233313231322331323131133132322113   >>      D13133313221323331323331313113313233313231322331323131133132322112   >>