개발 공부하는 빙빙

T = int(input()) for tc in range(1,T+1): two = input() three = input() n_two = [] for i in range(len(two)): if two[i] == '1': temp = '0' else: temp = '1' n_two.append(int(two[:i] + temp + two[i+1:], 2)) # print(n_two) for i in range(len(three)): for k in range(3): if three[i] != str(k): temp = str(k) n_three = int(three[:i] + temp + three[i + 1:], 3) if n_three in n_two: ans = n_three print("#{}..