D21221323131123313112211231333132322133313133313232211233131133221   >>    D2122132313112331311221123133313232213331313331323221123313113322   <<    D21221323131123313112211231333132322133313133313232211233131133223   >>      D21221323131123313112211231333132322133313133313232211233131133222   >>