4?5?
5?6?
6?7?
7?8?
8?9?
2?3?
5?6?/B/
6?7?/B/
??? 6?7?
??? 7?8?
??? 7?8?/B/
??? 8?9?
??? 9?10?
??? 8?9?/B/
??? 8?9?(C)
15? 16?
14? 15?
13? 14?
12? 13?
?? ??/??? ???
?? ??? ??? ??? ??
3? 14??? ?? ??? PCR ??? ?? ?? ??? ????