๊ฐ€๊ฒฉ์€ 81๋งŒ์›์ด๊ณ  ๋กค+์˜ค๋ฒ„์›Œ์น˜ ์šฉ๋„๋กœ ์‚ฌ๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค.