package Main;

import com.sun.deploy.util.ArrayUtil;
import org.apache.commons.lang3.ArrayUtils;

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;

/**
 * Created with IntelliJ IDEA.
 * User: arran
 * Date: 14/04/12
 * Time: 3:12 PM
 * To change this template use File | Settings | File Templates.
 */
public class Round {
    public StringBuilder parse(BufferedReader in) throws IOException {
        StringBuilder out = new StringBuilder();
        String lineCount = in.readLine();

        for (int i = 1; i <= Integer.parseInt(lineCount); i++)
        {
            out.append("Case #"+i+": ");
            System.err.println("Case #"+i+": ");
            String line = in.readLine();
            String[] splits = line.split(" ");
            int p1 = Integer.valueOf(splits[0]);
            int p2 = Integer.valueOf(splits[1]);
            int r = pairRecyclable(p1, p2);
            out.append(r);

//            if (i < Integer.parseInt(lineCount))
                out.append("\n");
        }
        return out;
    }

    public static int pairRecyclable(int i1, int i2) {
        HashSet<String> hash = new HashSet<String>();
        for (int i = i1; i < i2; i++)
        {
            String istr = String.valueOf(i);
            if (istr.length() < 2) continue;
            for (int p = 0; p < istr.length() ; p++)
            {
                String nistr = istr.substring(p,istr.length()).concat(istr.substring(0,p));
                if (Integer.valueOf(nistr) < i1) continue;
                if (Integer.valueOf(nistr) > i2) continue;
                if (nistr.equals(istr)) continue;
                String cnistr = (Integer.valueOf(nistr) > Integer.valueOf(istr)) ?  istr + "," + nistr : nistr + "," + istr;
                hash.add(cnistr);
            }
        }
        return hash.size();
    }

    public static void main(String[] args) {
        InputStreamReader converter = null;
        try {
            int attempt = 0;
            String quest = "C";
//            String size = "small-attempt";
            String size = "large";
            converter = new InputStreamReader(new FileInputStream("src/resource/"+quest+"-"+size+".in"));
            BufferedReader in = new BufferedReader(converter);
            Round r = new Round();
            String str = r.parse(in).toString();
            System.out.print(str);
            FileOutputStream fos = new FileOutputStream(quest+"-"+size+".out");
            OutputStreamWriter osw = new OutputStreamWriter(fos);
            BufferedWriter bw = new BufferedWriter(osw);
            bw.write(str);
            bw.flush();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;

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

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws FileNotFoundException, IOException {
        // TODO code application logic here
        ArrayList<String> testCases = new ArrayList<String>();
        boolean isCaseNo = true;
        int testCount = 0;
        FileReader fr = new FileReader("C-large.in");
        BufferedReader br = new BufferedReader(fr);
        String s;

        while ((s = br.readLine()) != null) {
            if (isCaseNo) {
                testCount = Integer.parseInt(s);
                isCaseNo = false;
            } else {
                testCases.add(s);
            }
        }
        fr.close();
        Solve(testCount, testCases);
    }

    public static void Solve(int testCount, ArrayList<String> testCases) throws IOException {


        FileWriter fstream = new FileWriter("out.txt");
        BufferedWriter out = new BufferedWriter(fstream);

        for (int i = 0; i < testCount; i++) {
            int A = 0, B = 0, count = 0;
            String s = testCases.get(i);
            String[] ar = s.split(" ");
            A = Integer.parseInt(ar[0]);
            B = Integer.parseInt(ar[1]);

            for(int j = A; j <= B; j++) {
                ArrayList<NumberPair> nums = new ArrayList<NumberPair>();
                String num = String.valueOf(j);
                for(int k =0; k < num.length(); k++) {
                    String num1 = num.substring(0, k);
                    String num2 = num.substring(k, num.length());

                    String newNum = num2 + num1;
                    int newI = Integer.parseInt(newNum);

                    NumberPair np = new NumberPair(j, newI);
                    if (newI >= A && newI <= B 
                            && newNum.equals(String.valueOf(newI))
                            && !num.equals(newNum)
                            && !nums.contains(np)) {
                        count++;
                        nums.add(np);
                    }                       
                }
            }

            out.write("Case #" + (i + 1) + ": " + count/2 + "\n");
        }
        out.close();
    }
}

class NumberPair {
   int m, n;

    public NumberPair(int m, int n) {
        this.m = m;
        this.n = n;
    }
  
    @Override
    public boolean equals(Object obj) {
        NumberPair np = (NumberPair)obj;
        return (np.m == this.m && np.n == this.n) || (np.m == this.n && np.n == this.m);
    }

    @Override
    public int hashCode() {
        int hash = 7;
        hash = 61 * hash + this.m;
        hash = 61 * hash + this.n;
        return hash;
    }

}
