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

public class C {

    void solve() throws IOException {
        in("C-large.in"); out("C-large.out");

        long tm = System.currentTimeMillis();
        boolean[] mask = new boolean[2000000];
        int[] r = new int[10];
        int t = readInt();
        for (int cs = 1; cs <= t; ++cs) {
            int a = readInt();
            int b = readInt();
            int ans = 0;
            for (int m = a + 1; m <= b; ++m) {
                char[] d = String.valueOf(m).toCharArray();
                int c = 0;
                for (int i = 1; i < d.length; ++i) {
                    if (d[i] != '0' && d[i] <= d[0]) {
                        int n = 0;
                        for (int j = 0; j < d.length; ++j) {
                            int jj = i + j;
                            if (jj >= d.length) jj -= d.length;
                            n = n * 10 + (d[jj] - '0');
                        }
                        if (n >= a && n < m && !mask[n]) {
                            ++ans;
                            mask[n] = true;
                            r[c++] = n;
                        }
                    }
                }
                for (int i = 0; i < c; ++i) {
                    mask[r[i]] = false;
                }
            }
            println("Case #" + cs + ": " + ans);
            //System.out.println(cs);
        }
        System.out.println("time: " + (System.currentTimeMillis() - tm));
        exit();
    }

    void in(String name) throws IOException {
        if (name.equals("__std")) {
            in = new BufferedReader(new InputStreamReader(System.in));
        } else {
            in = new BufferedReader(new FileReader(name));
        }
    }

    void out(String name) throws IOException {
        if (name.equals("__std")) {
            out = new PrintWriter(System.out);
        } else {
            out = new PrintWriter(name);
        }
    }

    void exit() {
        out.close();
        System.exit(0);
    }

    int readInt() throws IOException {
        return Integer.parseInt(readToken());
    }

    long readLong() throws IOException {
        return Long.parseLong(readToken());
    }

    double readDouble() throws IOException {
        return Double.parseDouble(readToken());
    }

    String readLine() throws IOException {
        st = null;
        return in.readLine();
    }

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

    boolean eof() throws IOException {
        return !in.ready();
    }

    void print(String format, Object ... args) {
        out.println(new Formatter(Locale.US).format(format, args));
    }

    void println(String format, Object ... args) {
        out.println(new Formatter(Locale.US).format(format, args));
    }

    void print(Object value) {
        out.print(value);
    }

    void println(Object value) {
        out.println(value);
    }

    void println() {
        out.println();
    }

    StringTokenizer st;

    BufferedReader in;
    PrintWriter out;

    public static void main(String[] args) throws IOException {
        new C().solve();
    }
}

package CodeJam2012.Qualification;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;

public class ProblemC {

	private static final String DIRECTORIO = "D:\\CodeJam\\CodeJam2012\\Qualification\\ProblemC\\";

	private static final String FILE_IN = "ejemplo.in";
	// private static final String FILE_IN = "A-small-practice.in";
	// private static final String FILE_IN = "A-small-attempt0.in";
	// private static final String FILE_IN = "A-large.in";

	private static final String FILE_OUT = "ejemplo.out";

	// private static final String FILE_OUT = "a-small-practice.out";
	// private static final String FILE_OUT = "a-small.out";
	// private static final String FILE_OUT = "a-large.out";

	public static void main(String[] args) throws Exception {

		// Se prepara para leer del fichero y escribir
		FileReader fr = new FileReader(DIRECTORIO + FILE_IN);
		BufferedReader bf = new BufferedReader(fr);
		File ficheroOut = new File(DIRECTORIO + FILE_OUT);
		ficheroOut.delete();
		BufferedWriter bw = new BufferedWriter(new FileWriter(ficheroOut));

		int casosPrueba = Integer.parseInt(bf.readLine());

		// Se hace cada caso de prueba
		for (int index = 1; index <= casosPrueba; index++) {
			
			String[] entrada = bf.readLine().split(" ");
			long A = Integer.parseInt(entrada[0]);
			long B = Integer.parseInt(entrada[1]);
			
			
			int parejasEncontradas = 0;
			for (long i=A; i<=B; i++){
				
			
				long digitos = (long) Math.ceil(Math.log10(B));

				ArrayList<Long> listaFijos = new ArrayList<Long>();

				for (int j = 1; j < digitos; j++) {
					long maximo = (long) Math.pow(10, j);
					long candidato = (long) Math.floor((i / maximo));
					candidato = (long) (candidato + (i % maximo)
							* Math.pow(10, digitos - j));

	

					
					
					if (candidato <= B && candidato > i	&& !listaFijos.contains(candidato)) {
						listaFijos.add(candidato);
						parejasEncontradas++;
					}

				}

				
				
			}


			
			
			
			
			

			// Se escribe la solución del caso en pantalla y en fichero
			String solucion = "Case #" + index + ": " + parejasEncontradas;
			bw.write(solucion);
			bw.newLine();
			System.out.println(solucion);
		}

		// Se cierra el buffer de escritura
		bw.close();
	}
}
