def main():
    T, N, M = map(int, input().split())

    for w in range(T):
        if w == 0:
            print("2 2", flush=True)

        else:
            L = [M // (500 * N) for _ in range(N)]
            print(1, *L, flush=True)

        M = int(input())
        S = list(map(int, input().split()))
        P = list(map(int, input().split()))
        R = list(map(int, input().split()))

    return 0


main()