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

import java.util.HashSet;

/**
 *
 * @author vandit
 */
public class RecycleNumbers {

    private HashSet<String> numbers = new HashSet<String>();
    private HashSet<String> initialTempNumbers = new HashSet<String>();
    private HashSet<String> finalTempNumbers = new HashSet<String>();

    HashSet<Pair> numberPairs = new HashSet<Pair>();


    private void findRecycledNumbers(int start, int end, int places) {


        for (int i = start; i <= end; i++) {
            String initialNumber = Integer.toString(i);
            //if (!(numbers.contains(initialNumber) || finalTempNumbers.contains(initialNumber))) {

                StringBuffer tempNumber = new StringBuffer(initialNumber);
                int len = tempNumber.length();
                int startIndexToMove = len - places;
                String tempString = tempNumber.substring(startIndexToMove);
                if ((places == 1 && tempString.equals("0")) || tempString.charAt(0) == '0') {
                    continue;
                }
                tempNumber.delete(startIndexToMove, len);
                String finalTempNumber = tempString + tempNumber.toString();

                if (! (finalTempNumber.equals(initialNumber) || Integer.parseInt(finalTempNumber) > end || Integer.parseInt(finalTempNumber) < Integer.parseInt(initialNumber))) {
                    numbers.add(initialNumber);
                    finalTempNumbers.add(finalTempNumber);
                    Pair pair = new Pair(finalTempNumber,initialNumber);
                    numberPairs.add(pair);
                }
            }

        

    }

    public HashSet<Pair> findAllRecycledNumbers(int start, int end) {
        int length = Integer.toString(start).length();
        for (int i = 1; i < length; i++) {
            findRecycledNumbers(start, end, i);
        }
        return numberPairs;
    }
}

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

public class B {
  private static boolean isRecyclePair(int n, int m){
    String n_str=""+n;
    String m_str=""+m;
    for(int i=0; i<n_str.length(); i++){
      String candidate=n_str.substring(i)+n_str.substring(0, i);
      if(m_str.equals(candidate)) return true;
    }
    return false;
  }
  private static void gcjMethod(String[] input){
    int a=Integer.parseInt(input[0]);
    int b=Integer.parseInt(input[1]);
    int res=0;
    // System.out.format("A=%d, B=%d\n", a, b);
    for(int i=a; i<=b; i++)
      for(int j=i+1; j<=b; j++)
        if(isRecyclePair(i, j)) res++;
    System.out.println(res);
    return;
  }

  public static final void main(final String[] args) {
    String line;
    int numCase;
    String[] input;

    BufferedReader d = new BufferedReader(new InputStreamReader(System.in));
    try{
      numCase=Integer.parseInt(d.readLine());
      for(int i=0; i<numCase; i++){
        line=d.readLine();
        input=line.split(" ");
        System.out.print(String.format("Case #%d: ", i+1));
        gcjMethod(input);
      }
    }
    catch(Exception e){
      System.out.println(e);
    }
  }
}