http://ideone.com/1mNGG

ㅋㅋ 짜는데 별로 안걸림

밑글 : http://todayhumor.co.kr/board/view.php?kind=&ask_time=&search_table_name=&table=science&no=10029&page=1&keyfield=&keyword=&mn=&nk=&ouscrap_keyword=&ouscrap_no=&s_no=10029&member_kind=

답이 여러개 있는 퍼즐일 경우 두 개만 구하고 멈춤ㅋ