#include <bits/stdc++.h>

#define int long long

using namespace std;
using ll = long long;

void solve();

template<typename ...Args>
void println(Args... args) {
    apply([](auto &&... args) { ((cout << args << ' '), ...); }, tuple(args...));
    cout << '\n';
}

int32_t main() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    int t = 1;
    cin >> t;
    for (int tc = 0; tc < t; ++tc) {
        solve();
    }
    return 0;
}
int go(vector<int> a, int m) {
    if (a.size() == 1) return a[0];
    vector<int> b(a.size() - 1);
    for (int i = 0; i + 1 < a.size(); ++i) b[i] = a[i] + a[i + 1];
    for (int &x : b) x *= x;
    for (int &x : b) x %= (1LL << m);
    return go(b, m);
}
void solve() {
    int n, m;
    cin >> n >> m;
    vector<int> a(n);
    for (int &x : a) cin >> x;
    if (a.size() <= m) return println(go(a, m));
    auto binom = [&](int n, int k) {
        for (int bit = 0; (1 << bit) <= n; ++bit) {
            if (((n & (1 << bit)) == 0) && ((k & (1 << bit)))) return 0;
        }
        return 1;
    };
    vector<int> b(m);
    for (int i = 0; i < m; ++i) {
        for (int j = 0; j + m <= n; ++j) {
            b[i] += binom(n - m + 1, j) * a[i + j];
            b[i] %= 2;
        }
    }
    cout << go(b, m) << '\n';
}