D233313133313221323132333131313231322331323331323231323133313232211211   >>    D23331313331322132313233313131323132233132333132323132313331323221121   <<    D233313133313221323132333131313231322331323331323231323133313232211213   >>      D233313133313221323132333131313231322331323331323231323133313232211212   >>