2 백과 20-five-five-five-five-five-five-five-five-five-five-five-five-five-five-five-five-five-five-one-five-five-five-five-five-five-five-five-five-five-five-five-one-five-one-five-one-five-one-five-one-five-one-five-five-one-five-five-one-five-five-one-one-five-five-one-five-one-five-five-five-five-one-one-five-five-five-one-five-five-five-five-one-five-one-one-five-one-one-five-one-one-five-five-five-five-one-one-five-one-one-five-one-one-f