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

package recycled;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.TreeSet;

/**
 *
 * @author Alfred
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
    try {
            FileInputStream fstream = new FileInputStream("C-small-attempt0.in");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            FileWriter outFile = new FileWriter("out.txt");
            PrintWriter out = new PrintWriter(outFile);
            String line;
            line = br.readLine();
            int cases = Integer.parseInt(line);
            for (int i=1; i<=cases;i++){
                line = br.readLine();
                String[] values = line.split(" ");
                int A = Integer.parseInt(values[0]);
                int B = Integer.parseInt(values[1]);
                int total=0;
                for (int n=A; n<=B;n++){
                    TreeSet<String> solutions = new TreeSet<String>();
                    for (int k=1;k<values[1].length();k++){
                        String m = circshift(n,k);
                        int mVal = Integer.parseInt(m);
                        if(mVal<=B && mVal!=n  && mVal> n && !m.startsWith("0") && m.length()==Integer.toString(n).length() )
                        {
                            solutions.add(m);
                        }                   
                    }
                    total+=solutions.size();
                }
                out.println("Case #"+i+": "+total);
            }
            in.close();
            out.close();
        } catch (Exception e) {//Catch exception if any
            System.err.println("Error: " + e.getMessage());
        }

}

    private static String circshift(int n, int k) {
        String nString=Integer.toString(n);
        int len=nString.length();
        String m =  nString.substring(len-k)+nString.subSequence(0, len-k);
        //System.out.println(n+" "+m);
        return m;
    }

}


import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;

public class C {

    public static void main(String[] args) throws FileNotFoundException {
        Scanner in = new Scanner(new File(C.class.getSimpleName() + ".in"));
        PrintWriter out = new PrintWriter(new File(C.class.getSimpleName() + ".out"));
        int T = in.nextInt();
        for (int i = 0; i < T; i++) {
            String s = "Case #" + (i + 1) + ": " + new C().solve(in);
            out.println(s);
            System.out.println(s);
        }
        out.close();
    }

    private String solve(Scanner in) {
        int a = in.nextInt();
        int b = in.nextInt();

        int k = 1;
        int c = 1;
        while (k * 10 <= b) {
            k *= 10;
            c++;
        }

        int[] num = new int[10000000];

        for (int n = a; n <= b; n++) {
            int min = n;
            int nn = n;
            for (int i = 0; i < c; i++) {
                nn = (nn / 10) + (nn % 10) * k;
                if (nn >= k) {
                    min = Math.min(min, nn);
                }
            }
            num[min]++;
        }

        long res = 0;

        for (int n : num) {
            res += (1L * n * (n - 1)) / 2;
        }
        return "" + res;
    }
}