import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Solution {
public static void main(String[] args) throws IOException {
StringBuilder sb = new StringBuilder();
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int N = Integer.parseInt(reader.readLine());
int problemNum = 1;
while (N-- > 0) {
int size = Integer.parseInt(reader.readLine());
int start = -1;
int end = -1;
String[] target;
int result = 0;
for (int i = 0; i < size; i++) {
if (i <= size / 2) {
start = size / 2 - i;
end = size / 2 + i + 1;
} else {
start = i - size / 2;
end = size - (i - size / 2);
}
target = reader.readLine().substring(start, end).split("");
for (int j = 0; j < target.length; j++) {
result += Integer.parseInt(target[j]);
}
}
sb.append("#").append(problemNum++).append(" ");
sb.append(result).append("\n");
}
System.out.println(sb);
}
}