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from sys import stdin, stdout


def try_rhyme(tutaj, licz_tutaj, start, koniec, tab):
    while tutaj <= koniec:
        if tutaj == koniec:
            if licz_tutaj == 0:
                return True
            else:
                return False
        # we have next toy here
        licz_tutaj = tab[tutaj+1] - licz_tutaj - 1
        tutaj += 1
        if licz_tutaj < -1:
            return False
        elif licz_tutaj == -1:
            if tutaj == koniec:
                return True
            return False


def process_day():
    n = int(stdin.readline())
    tab = [int(s) for s in stdin.readline().split()] + [0]
    start = 0
    while tab[start] == 0:
        start += 1
    koniec = len(tab) - 1
    while tab[koniec] == 0:
        koniec -= 1
    # try starting at start
    tutaj = start
    licz_tutaj = tab[tutaj] - 1
    output = try_rhyme(tutaj, licz_tutaj, start, koniec, tab)
    if output:
        return True

    # try starting at start + 1
    if start == koniec:
        # nowhere to start
        return False
    tutaj = start + 1
    licz_tutaj = tab[tutaj] - 1 - tab[tutaj-1]
    if licz_tutaj < -1:
        return False
    if licz_tutaj == -1:
        if tutaj == koniec:
            return True
        return False
    output = try_rhyme(tutaj, licz_tutaj, start, koniec, tab)
    return output


t = int(stdin.readline())

for _ in range(t):
    output = process_day()
    if output:
        stdout.write("TAK\n")
    else:
        stdout.write("NIE\n")