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();
        }

    }
}

import java.io.*;
import java.util.Arrays;
import java.util.Locale;
import java.util.StringTokenizer;

public class GCJ2012QualC {
    static final int MAXB = 2000000;
    int[] minR = new int[MAXB+1];
    int[] count = new int[MAXB+1];

    public void run() throws IOException {
        for (int a = 1; a <= MAXB; a *= 10) {
            for (int x = a; x < 10*a && x <= MAXB; ++x) {
                minR[x] = x;
                int y = x;
                do {
                    y = y % 10 * a + y / 10;
                    if (y / a != 0 && y < minR[x]) {
                        minR[x] = y;
                    }
                }
                while (y != x);
            }
        }
        
        int T = nextInt();
        for (int i = 1; i <= T; ++i) {
            out.println("Case #" + i + ": " + solve());
        }
    }

    private int solve() throws IOException {
        int A = nextInt();
        int B = nextInt();

        Arrays.fill(count, 0, B+1, 0);
        
        for (int i = A; i <= B; ++i) {
            ++count[minR[i]];
        }
        
        int ans = 0;
        
        for (int i = 0; i <= B; ++i) {
            ans += count[i] * (count[i] - 1) / 2;
        }
        
        return ans;
    }

    public static BufferedReader in;
    public static PrintStream out;

    public static void main(String[] args) throws IOException {
        Locale.setDefault(Locale.US);

        String className = GCJ2012QualC.class.getSimpleName();
        char lastChar = className.charAt(className.length() - 1);
        System.setIn(new FileInputStream(lastChar + ".in"));
        System.setOut(new PrintStream(lastChar + ".out"));

        in = new BufferedReader(new InputStreamReader(System.in));
        out = new PrintStream(new BufferedOutputStream(System.out));

        new GCJ2012QualC().run();

        out.close();
    }

    public static StringTokenizer tokenizer;

    public static String nextToken() throws IOException {
        while (tokenizer == null || !tokenizer.hasMoreTokens()) {
            tokenizer = new StringTokenizer(in.readLine());
        }
        return tokenizer.nextToken();
    }

    public static int nextInt() throws IOException {
        return Integer.parseInt(nextToken());
    }

    public static long nextLong() throws IOException {
        return Long.parseLong(nextToken());
    }

    public static double nextDouble() throws IOException {
        return Double.parseDouble(nextToken());
    }
}
