  

1                                 2                        3                  4                      5             , "      ? "   , "        " 6         7                8   , "       ? "    "      ,    " 9   , "          " 10   , "                           11              "          12   , "         " 13   , "                           14                            " 15   , "         "   , "    ?       " 16        17                   18                         19                           20            