/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static void main(String[] args) throws Exception {
      // TODO Auto-generated method stub
      solution();
   }
 
   private static void solution() throws Exception {
 
      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      StringTokenizer st = new StringTokenizer(br.readLine());
      int size = Integer.parseInt(st.nextToken());
      int count = 1;
      while(size != 0) {
         System.out.println("Simulation " + count++);
         st = new StringTokenizer(st.nextToken(), "!");
         ArrayList<Character> cache = new ArrayList<Character>();
         while (st.hasMoreTokens()) {
            String input = st.nextToken();
            for (int i = 0; i < input.length(); ++i) {
               if (!cache.contains(input.charAt(i))) {
                  if (cache.size() < size)
                     cache.add(input.charAt(i));
                  else {
                     cache.remove(0);
                     cache.add(input.charAt(i));
                  }
               } else {
                  int index = 0;
                  for(int x = 0; x < cache.size();++x) {
                     if(cache.get(x) == input.charAt(i))
                        index = x;
                  }
                  cache.remove(index);
                  cache.add(input.charAt(i));
               }
            }
            for (int i = 0; i < cache.size(); ++i) {
               System.out.print(cache.get(i));
            }
            System.out.println();
         }
         st = new StringTokenizer(br.readLine());
         size = Integer.parseInt(st.nextToken());
      }
   }
 
}

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

5 ABC!DEAF!B!
3 WXWYZ!YZWYX!XYXY!
5 EIEIO!
10 ABCDEFGHIJ!
10 ABCDEFGHIJKLM!
10 ABCDEFGHIJKLMNOPQRST!
10 ABCADEFBGHIJKLM!
10 AAAAAAAAAA!
10 A!
10 A!BCDEFGHIJ
10 ABC!!DEFGHIJ!!!
5 ABCDEFGHIJABCDEF!
26 AXNBYRJCYJDSR!TJEMNFZFGGHTIAEJJJ!KNZLNZNDTORWPQUROS!FHTMUZDVNWGXDZNYZAG!MXYZFYHXMSAWWTSRJVIU!UOTSSRHAQHPONDKHMUTLOKSFGNJN!SIGSTEHHFSJESTDSTCSJBFA!
6 AXNBYRJCYJDSR!TJEMNFZFGGHTIAEJJJ!KNZLNZNDTORWPQUROS!FHTMUZDVNWGXDZNYZAG!MXYZFYHXMSAWWTSRJVIU!UOTSSRHAQHPONDKHMUTLOKSFGNJN!SIGSTEHHFSJESTDSTCSJBFA!
1 AXNBYRJCYJDSR!TJEMNFZFGGHTIAEJJJ!KNZLNZNDTORWPQUROS!FHTMUZDVNWGXDZNYZAG!MXYZFYHXMSAWWTSRJVIU!UOTSSRHAQHPONDKHMUTLOKSFGNJN!SIGSTEHHFSJESTDSTCSJBFA!
0