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#include<bits/stdc++.h>
using namespace std;

const int MAXN = 1000 * 1000 + 17;
int a[MAXN];
int a2[MAXN];
int b[MAXN];

void czysc (int n) {
    for (int i = 1; i <= n; i ++) {
        a[i] = 0;
        a2[i] = 0;
        b[i] = 0;
    }
}

void rozw () {
    int n;
    cin >> n;
    int N = n;
    for (int i = 1; i <= n; i ++) {
        cin >> a[i];
    }

    int pocz = 1;
    while (a[pocz] == 0 && pocz <= n) {
        pocz ++;
    }
    int kon = n;
    while (a[kon] == 0 && kon >= 1) {
        kon --;
    }

    for (int i = pocz; i <= kon; i ++) {
        a2[i - pocz + 1] = a[i];
    }

    n = kon - pocz + 1;
    for (int i = 1; i <= n; i ++) {
        a[i] = a2[i];
    }

    if (n == 1) {
        if (a[1] == 1) {
            cout << "TAK" << "\n";
        } else {
            cout << "NIE" << "\n";
        }
        czysc(N);
        return;
    }
    if (n == 2) {
        if (abs(a[2] - a[1]) <= 1) {
            cout << "TAK" << "\n";
        } else {
            cout << "NIE" << "\n";
        }
        czysc(N);
        return;
    }

    for (int i = 1; i <= n; i ++) {
        if (a[i] == 0) {
            cout << "NIE" << "\n";
            czysc(N);
            return;
        }
        b[i] = 1;
        b[i] += max(0, min(a[i] - a[i - 1], a[i] - a[i + 1]));
    }

    if (n == 3 && b[2] == 3) {
        cout << "TAK" << "\n";
        czysc(N);
        return;
    }


    bool ok = true;
    for (int i = 1; i <= n; i ++) {
        if (b[i] > 2) {
            ok = false;
            break;
        }
        if (b[i] == 2 && i != 2 && i != n - 1) {
            ok = false;
            break;
        }
    }

    if (ok) {
        cout << "TAK" << "\n";
    } else {
        cout << "NIE" << "\n";
    }

    czysc(N);

}

int main () {
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int t;
    cin >> t;
    while (t --) {
        rozw();
    }

    return 0;
}