D21221323131123313112211231333132322133313133313232211233132333132333131323111   >>    D2122132313112331311221123133313232213331313331323221123313233313233313132311   <<    D21221323131123313112211231333132322133313133313232211233132333132333131323113   >>      D21221323131123313112211231333132322133313133313232211233132333132333131323112   >>