advquoc

#include <iostream>

using namespace std;

int N, M, K;

int a[105][25];

int zero[105];

bool check(int num_zero) {
	if (K < num_zero) return false;
	if (K == num_zero) return true;

	int tmp = K - num_zero;

	if (tmp % 2 == 0) return true;
	return false;
}

void solve(int testcase) {
	cin >> N >> M >> K;

	for (int i = 1; i <= N; i++) {
		zero[i] = 0;
	}
	int ans = 0;
	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= M; j++) {
			cin >> a[i][j];
			if (a[i][j] == 0) {
				zero[i]++;
			}
		}
		if (zero[i] == 0) {
			ans++;
		}


	}

	for (int i = 1; i <= N; i++) {
		if (zero[i] == 0) continue;
		int dem_hang = 0;
		for (int row = 1; row <= N; row++) {
			for (int j = 1; j <= M; j++) {
				if (a[i][j] != a[row][j]) {
					break;
				}
				if (j == M) {
					dem_hang++;
				}
			}
		}

		if (check(zero[i]) == true) {
			if (dem_hang > ans) {
				ans = dem_hang;
			}
		}
	}


	cout << "#" << testcase << " " << ans << endl;
}

int main() {
	freopen("Text.txt", "r", stdin);
	int t; cin >> t;

	for (int i = 1; i <= t; i++) {
		solve(i);
	}

	return 0;
}