/*
 * 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.Scanner;

public class RecycledNumbers {
    public static void main(String[] args) {
        new RecycledNumbers().go();
    }

    private void go() {
        Scanner sc = new Scanner(System.in);

        int numTestCases = Integer.parseInt(sc.nextLine());

        for (int caseNum = 1; caseNum <= numTestCases; caseNum++) {
            System.out.print("Case #" + caseNum + ": ");
            int A = sc.nextInt();
            int B = sc.nextInt();

            int sum = 0;
            for (int n = A; n < B; n++)
                for (int m = n + 1; m <= B; m++)
                    if (isRecycled(n, m))
                        sum++;
            System.out.println(sum);
        }
    }

    private boolean isRecycled(int n, int m) {
        String N = String.valueOf(n);
        String M = String.valueOf(m);

        for(int i = 1; i < N.length(); i++) {
            String reCycled = rotate(N, i);
            if(reCycled.equals(M)) {
                return true;
            }
        }
        return false;
    }

    public static String rotate(String n, int i) {
        String lastIChars = n.substring(n.length() - i);
        String firstIChars = n.substring(0, n.length() - i);

        return lastIChars + firstIChars;
    }
}
