ㄱ.
[img=https://t1.daumcdn.net/cfile/tistory/99DB71425CF6632B2E]
ㄴ.
[img=https://t1.daumcdn.net/cfile/tistory/990D6E395CF6683439]
[img=https://t1.daumcdn.net/cfile/tistory/99DB71425CF6632B2E]
ㄴ.
[img=https://t1.daumcdn.net/cfile/tistory/990D6E395CF6683439]