#include <algorithm>
#include <numeric>
#include <utility>
#include <functional>
#include <bitset>
using namespace std;
//
#define lp(i, n)         for(int (i)=0;      (i)<(int)(n);   (i)++)
#define MAX 109
#define dex [i][j]
int DP[MAX][MAX];
int ST[MAX][MAX] = {0};
//
int mark = 0;
int n, m;
int *s1, *s2;
//
int doit(int i = 0, int j = 0)
{
   if(i == n || j == m)
      return 0;
 
   if(ST dex == mark)
      return DP dex;
   ST dex = mark;
 
   if(s1[i] == s2[j])
      return DP dex = 1 + doit(i+1, j+1);
 
   int c1 = doit(i+1, j);
   int c2 = doit(i, j+1);
   return DP dex = max(c1, c2);
}
//
int main()
{
   while( scanf("%d %d", &n, &m) && !(n == 0 && m == 0) )
   {
      s1 = new int[n];
      s2 = new int[m];
      lp(i, n)
         scanf("%d", &s1[i]);
      lp(i, m)
         scanf("%d", &s2[i]);
      printf("Twin Towers #%d\nNumber of Tiles : %d\n\n", ++mark, doit());
   }
}

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7 6
20 15 10 15 25 20 15
15 25 10 20 15 20
8 9
10 20 20 10 20 10 20 10
20 10 20 10 10 20 10 10 20
0 0