import sys from collections import deque t = sys.stdin.readline() for _ in range(int(t)): f = sys.stdin.readline().rstrip() n = int(sys.stdin.readline()) arr = deque(sys.stdin.readline().rstrip()[1:-1].split(",")) if n == 0: if 'D' in f: print("error") continue else: print("[]") continue e = 0 # R 홀수 or 짝수 일때 경우 r = 0 for i in f: if i == "R": r += 1 else: if arr: if r % 2 == 0: #짝수일때 arr.popleft..