#include <bits/stdc++.h>
using namespace std;
 
void solve()
{
	long long n, x, y, temp = 0, s = 0;
	cin >> n >> x >> y;
	priority_queue<long long, vector<long long>, greater<long long>> pq;
	for(long long i=0; i<n; i++)
	{
		cin >> temp;
		pq.push(temp);
	}
	for(long long i=0; i<y; i++)
	{
		s = pq.top();
		pq.pop();
		s = (s^x);
		pq.push(s);
	}
	while (pq.empty() == false)
    {
        cout << pq.top() << " ";
        pq.pop();
    }
    cout << "\n";
}
 
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	long long t;
	cin >> t;
	while(t--!=0)
	{
		solve();
	}
	return 0;
}

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