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package year_2012.qualification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


    public static void main(String[] args) throws FileNotFoundException, IOException {

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;



public class RNumber extends Basic2
{

   public static void main(String[] args) throws Exception 
   {
      RNumber p3 = new RNumber();
      p3.initialize();
      p3.printOutput();
      p3.bos.close();
   }
   
   @Override
   public void printOutput() throws Exception
   {
      int noTC = Integer.parseInt(bis.readLine());
      int runningTC = 1;
      while(runningTC<=noTC)
      {
         String[] a_b_str =bis.readLine().split(" ");
         long[] a_b = new long[]{Long.parseLong(a_b_str[0]),Long.parseLong(a_b_str[1])};
         if(a_b[0]>a_b[1])
         {
            long temp = a_b[0];
            a_b[0] = a_b[1];
            a_b[1] = temp;
         }
         Set<Long> found = new HashSet<Long>();
         int leading =0;
         for(long i=a_b[0];i<=a_b[1];i++)
         {
            long numberToCheck = i;
            for(long k = numberToCheck+1;k<=a_b[1];k++)
            {
               if(((""+k).length()==(""+numberToCheck).length()) && (""+k+""+k).contains(""+numberToCheck))
               {
                     leading++;
               }
               /*int t= k;
               String n=""+numberToCheck;
               int ld = 0;
               while(t>10 && t%10==0 && t>a_b[0])
               {
                  t=t/10;
                  ld++;
               }
               String ldSt="";
               for(int hh=0;hh<ld;hh++)
               {
                     ldSt ="0"+ldSt;
                     if(Integer.parseInt(ldSt+t)!=Integer.parseInt(t+ldSt))
                     {
                        found.add(ldSt+t);
                        found.add(t+ldSt);
                     }
               }*/
            }
         }
         bos.println("Case #"+runningTC+": "+leading);
         runningTC++;
      }
   }
}

abstract class Basic2
{
   protected BufferedReader bis;
   
   protected PrintWriter bos;
   
   protected void initialize() throws Exception
   {
      FileReader fs = null;
      FileWriter fr = null;

      fs = new FileReader(
            "C:\\CJ\\input2.txt");
      bis = new BufferedReader(fs);

      fr = new FileWriter(
            "C:\\CJ\\output2.txt");
      bos = new PrintWriter(fr);

   }
   
   public abstract void printOutput() throws Exception;
}
