2ba8dc2adac130a97a8087e142811b6cbf4d2550867edaac3ad886f7122f362ffba7bd7ffa

1ebec223e0dc2bae61abe9e74683706d2ba34f83d2d0cab6b5c4c4761e5cc6d0d12a9b055ba2addf147e55a92cc2ae

15-2가 제일 어려웠음 ㅅㅂ