T = int(input())
for _ in range(T):
    N = int(input())
    if N * (N + 1) // 2 & 1:
        print(-1)
        continue
    ans = [0] * N
    if N % 2 == 0:
        for i in range(N // 2):
            ans[i] = i & 1
        for i in range(N // 2, N):
            ans[i] = (i + 1) & 1
    else:
        S = set(range(1, N + 1))
        A = list(range(1, N + 1))
        ss = set()
        n = 0
        nn = N * (N + 1) // 4
        while n < nn:
            if nn - n in S:
                ss.add(nn - n)
                S.discard(nn - n)
                break
            s = A.pop()
            n += s
            S.discard(s)
            ss.add(s)
        for n in ss:
            ans[n - 1] = 1
    print(*ans)