import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class Main{
static int[][] map;
static int n,d;
public static void main(String[] args)throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringBuilder sb = new StringBuilder();
int tc = pint(br.readLine());
for (int test = 1; test <= tc; test++) {
StringTokenizer st = new StringTokenizer(br.readLine());
n = pint(st.nextToken());
d = pint(st.nextToken())/45;
if(d<0)d+=8;
map=new int[n][n];
for (int i = 0; i < n; i++) {
st = new StringTokenizer(br.readLine());
for (int j = 0; j < n; j++) {
map[i][j]=pint(st.nextToken());
}
}
for (int i = 0; i < d; i++) {
spin();
}
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
sb.append(map[i][j]).append(" ");
}sb.append("\n");
}
}System.out.println(sb);
}
static void spin() {
int[] backup = new int[n];
for (int i = 0; i < n; i++)backup[i]=map[i][i];//백업
for (int i = 0; i < n; i++)map[i][i]=map[n/2][i];
for (int i = 0; i < n; i++)map[n/2][i]=map[n-i-1][i];
for (int i = 0; i < n; i++)map[n-i-1][i]=map[n-i-1][n/2];
for (int i = 0; i < n; i++)map[i][n/2]=backup[i];
}
static int pint(String s) {
return Integer.parseInt(s);
}
}
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.Comparator;
public class Main{
public static void main(String[] args)throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
Integer[] tmp = new Integer[26];
int N = pint(br.readLine());
int num=9, sum=0;
for (int i=0; i<26; i++)tmp[i]=0;
for (int i = 0; i < N; i++) {
String s = br.readLine();
for (int j = 0; j < s.length(); j++)tmp[s.charAt(j)-'A']+= (int)Math.pow(10, s.length()-j-1);
}
Arrays.sort(tmp, Comparator.reverseOrder());
for (int i = 0; i < 10; i++)sum+=tmp[i]*num--;
System.out.println(sum);
}
static int pint(String s) {
return Integer.parseInt(s);
}
}