/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

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();

    }

}

/*
Original template used was test.java from USACO's training pages.

Name: Ante Qu
Problem: Recycled Numbers
Gmail Account: quante0

*/

import java.io.*;
import java.util.*;

class recycledNumbers {
  public static void main (String [] args) throws IOException {
    // Use BufferedReader rather than RandomAccessFile; it's much faster
    BufferedReader f = new BufferedReader(new FileReader("C-small-attempt2.in"));
                                                  // input file name goes above
    PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("out.txt")));


    int T=Integer.parseInt(f.readLine());
    for(int i=0;i<T;i++)
    {
      out.println("Case #" + (i+1) + ": " + solve(f.readLine()));                           // output result
    }
    out.close();                                  // close the output file
    System.exit(0);                               // don't omit this!
  }
  public static String solve(String source)
  {
      // Use StringTokenizer vs. readLine/split -- lots faster
      StringTokenizer st = new StringTokenizer(source);
      int A = Integer.parseInt(st.nextToken());
      int B = Integer.parseInt(st.nextToken());
      int length = 1 + (int) Math.log10(B);
      int total = 0;
      for (int i = A; i <= B; i++)
      {
          int count = 0;
          int[] k = new int[length+1];
          for (int j = 1; j < length; j++)
              if (withInRange(shift(i, j, length),A,B, i))
                  {
                     k[count] = shift(i,j,length);
                    // System.out.println(shift(i,j,length) + " " + i);
                     count++;
                  }
          Arrays.sort(k, 0, count);
          int countcopy = count;
          for (int j = 1; j < countcopy; j++)
              if (k[j] == k[j-1]) 
                  {
                  count--;
                 // System.out.println("-1");
                  }
          total += count;
      }
      return String.valueOf(total / 2);
  }
  private static boolean withInRange(int x, int A, int B, int i)
  {
      if (x < A) return false;
      if (x > B) return false;
      if (x == i) return false;
      return true;
  }
  private static int shift(int current, int by, int length)
  {
      int power = (int) Math.pow(10, by);
      int shift = (int) Math.pow(10, length - by);
      return (current % power) * shift + current / power;
      
  }
  public static char translateChar(char current)
  {

      if (current == ' ') return ' ';
      if (current == 'a') return 'y';
      if (current == 'b') return 'h';
      if (current == 'c') return 'e';
      if (current == 'd') return 's';
      if (current == 'e') return 'o';
      if (current == 'f') return 'c';
      if (current == 'g') return 'v';
      if (current == 'h') return 'x';
      if (current == 'i') return 'd';
      if (current == 'j') return 'u';
      if (current == 'k') return 'i';
      if (current == 'l') return 'g';
      if (current == 'm') return 'l';
      if (current == 'n') return 'b';
      if (current == 'o') return 'k';
      if (current == 'p') return 'r';
      if (current == 'q') return 'z';
      if (current == 'r') return 't';
      if (current == 's') return 'n';
      if (current == 't') return 'w';
      if (current == 'u') return 'j';
      if (current == 'v') return 'p';
      if (current == 'w') return 'f';
      if (current == 'x') return 'm';
      if (current == 'y') return 'a';
      if (current == 'z') return 'q';
      return '.';
  }
}