????:1???????:????

2???????

3????????

4???????

5??????????

11??23???????????27?????,??????,?,?,11??????????23???27?????????????????,?,???6????10?,????????12????14?,????16?????????,??????5?????????????????7?,??????8???????9?????????????????????????????????????????????????????,????

?,??????????????,?,??,???????????????????,????,??????????????14?,?18???(?????????????????????????)

????????????????????????:?????