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#include <bits/stdc++.h>
using namespace std;
#define fwd(i, a, n) for (int i = (a); i < (n); i++)
#define rep(i, n)    fwd(i, 0, n)
#define all(X)       X.begin(), X.end()
#define sz(X)        int(size(X))
#define pb           push_back
#define eb           emplace_back
#define st           first
#define nd           second
using pii = pair<int, int>;
using vi = vector<int>;
using ll = long long;
using ld = long double;
#ifdef LOC
auto SS = signal(6, [](int) {
	*(int *)0 = 0;
});
#	define DTP(x, y)                                      \
		auto operator<<(auto &o, auto a)->decltype(y, o) { \
			o << "(";                                      \
			x;                                             \
			return o << ")";                               \
		}
DTP(o << a.st << ", " << a.nd, a.nd);
DTP(for (auto i : a) o << i << ", ", all(a));
void dump(auto... x) {
	((cerr << x << ", "), ...) << '\n';
}
#	define deb(x...) cerr << setw(4) << __LINE__ << ":[" #x "]: ", dump(x)
#else
#	define deb(...) 0
#endif

#define GOOD "TAK\n"
#define BAD  "NIE\n"

vi read_arr() {
	int n;
	cin >> n;
	vi a(n);
	rep(i, n) cin >> a[i];
	while (a.back() == 0)
		a.pop_back();
	reverse(all(a));
	while (a.back() == 0)
		a.pop_back();
	return a;
}

void sol() {
	vi a = read_arr();
	if (sz(a) == 1) {
		if (a[0] == 1)
			cout << GOOD;
		else
			cout << BAD;
		return;
	}
	if (*min_element(all(a)) == 0) {
		cout << BAD;
		return;
	}
	vector<ll> magic(sz(a));
	magic[0] = a[0];
	fwd(i, 1, sz(a)) magic[i] = a[i] - magic[i - 1];
	ll final_magic = magic.back();
	magic.pop_back();
	ll min_magic = *min_element(all(magic));
	if (llabs(final_magic) > 1ll || min_magic < 0) {
		cout << BAD;
		return;
	}
	if (min_magic > 0) {
		if (final_magic == 0) {
			cout << GOOD;
		} else if (final_magic == -1) {
			cout << GOOD;
		} else {
			if (sz(a) == 1) {
				cout << BAD;
			} else {
				cout << GOOD;
			}
		}
		return;
	}
	int first_zero = sz(magic), last_zero = -1;
	rep(i, sz(magic)) {
		if (magic[i] == 0) {
			first_zero = min(first_zero, i);
			last_zero = max(last_zero, i);
		}
	}
	if (first_zero == 0) {
		cout << BAD;
		return;
	}
	if (llabs(final_magic) == 1) {
		ll delta = -1;
		fwd(i, first_zero - 1, sz(magic)) {
			if (delta + magic[i] < 0) {
				cout << BAD;
				return;
			}
			delta = -delta;
		}
		if (delta + final_magic != 0) {
			cout << BAD;
		} else {
			cout << GOOD;
		}
		return;
	}
	ll delta = -1;
	fwd(i, first_zero - 1, last_zero + 1) {
		if (delta + magic[i] < 0) {
			cout << BAD;
			return;
		}
		delta = -delta;
	}
	cout << GOOD;
}

int32_t main() {
	cin.tie(0)->sync_with_stdio(0);
	cout << fixed << setprecision(10);
	int t;
	cin >> t;
	rep(i, t) sol();
#ifdef LOCF
	cout.flush();
	cerr << "- - - - - - - - -\n";
	(void)!system(
		"grep VmPeak /proc/$PPID/status | sed s/....kB/\' MB\'/1 >&2"); // 4x.kB
																		// ....kB
#endif
}