์ด ์—”์ง„ 2d ๋นŒ๋“œ ๋ชจ๋“ˆ ๊ฐ€๋ฒผ์šด๊ฑฐ ๋ณด๋‹ˆ๊นŒ ๊ฐœ๊ผด๋ฆฌ๋Š”๋ฐ ์‚ฌ์šฉํ•ด๋ณธ ๊ฒฝํ—˜์ž ์žˆ์Œ?