import sys
from collections import deque
T = int(sys.stdin.readline())
for _ in range(T):
    func = sys.stdin.readline()
    num = int(sys.stdin.readline())
    arr = sys.stdin.readline().strip()[1:-1].split(",")
    if num<func.count("D"):
        print("error")
        continue
    loc = 0
    for _ in range(func.count("D")):
        loc = func.index("D")
        cnt = func[:loc].count("R")
        if cnt%2 == 0:
            arr.pop(0)
        else:
            arr.pop()
    if func.count("R")%2==1:
        arr.reverse()
    print('[' + ','.join(arr) + ']')

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MQpEUkRSCjQKWzEsMiwzLDRdCg==

1
DRDR
4
[1,2,3,4]