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

2????????

3?????????

4????????

5?????

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

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

?:????????