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

public class RecycledNumbers {
  
  public static void main(String... args) throws IOException {
//    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    BufferedReader reader = new BufferedReader(new FileReader("C-small-attempt0.in"));
//    PrintWriter writer = new PrintWriter(System.out);
    PrintWriter writer = new PrintWriter("C-small-attempt0.out");

    int len, cases = Integer.parseInt(reader.readLine());

    Set<Integer> unique = new HashSet<Integer>();
    String [] inputs;
    int A, B, k, mod, div, num;
    long res;
    for(int i = 1; i <= cases; i++){
      inputs = reader.readLine().split(" ");
      A = Integer.parseInt(inputs[0]);
      B = Integer.parseInt(inputs[1]);
      res = 0l;
      for(int j = A; j <= B; j++){
        unique.clear();
        k = j;
        int start = 10;
        while(k / start > 0){
          mod = k % start;
          if(mod >= (start / 10)){
            div = k / start;
            num = Integer.parseInt(mod + "" + div);
            if(num > j && num <= B){
              unique.add(num);
            }
          }
          start *= 10;
        }
        res += unique.size();
      }
      System.out.println("Case " + i + " complete");
      writer.println("Case #" + i + ": " + res);
    }

    writer.flush();
  }
}
