D21221323131123313112211231333132322133313133313232211233132313331323312131   >>    D2122132313112331311221123133313232213331313331323221123313231333132331213   <<    D21221323131123313112211231333132322133313133313232211233132313331323312133   >>      D21221323131123313112211231333132322133313133313232211233132313331323312132   >>