2?11???????????13??
?2???7?(???????? ??????? ?????????)????????7????????????,????????????????????????11?~13??????????????,?????????????,?????????,?????????
??(2???8?~14??),?,?,?,?????(12??)?,???,????
???,2??8?~9?,??5~6?????????7?????,10???????13?~14??????????5???????????????6~7?,???;11?~13???,????????????????????,???(??????????????????) ???:?????????????