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 com.google;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {

	private static int numberOfRecycledPairsPossible(int a, int lowerLimit,
			int upperLimit) {
		int length = (a + "").length();
		if (length == 1) {
			return 0;
		}

		int[] digits = new int[length];
		int b = a;
		boolean isRecyclePossible = false;
		int temp = 0;
		;
		Set<String> set = new HashSet<String>();

		digits[length - 1] = b % 10;
		b /= 10;

		for (int i = length - 2; i >= 0; i--) {
			digits[i] = b % 10;
			b /= 10;
			if (digits[i] != digits[i + 1]) {
				isRecyclePossible = true;
			}
		}
		if (!isRecyclePossible) {
			return 0;
		}

		for (int i = 1; i < length; i++) {
			temp = 0;
			for (int j = i; j < length; j++) {
				temp = temp * 10 + digits[j];
			}
			for (int j = 0; j < i; j++) {
				temp = temp * 10 + digits[j];
			}
			if (temp <= upperLimit && temp >= lowerLimit && temp > a) {
				set.add(a + "" + temp);
			}
		}
		return set.size();
	}

	private static int getRecycledNumbers(int start, int end) {
		int count = 0;
		for (int i = start; i <= end; i++) {
			count += numberOfRecycledPairsPossible(i, start, end);
		}
		return count;
	}

	public static void main(String[] args) throws FileNotFoundException {
		File file = new File("d:\\codeJam\\Numbers\\test.txt");
		Scanner scanner = new Scanner(file);
		int t = scanner.nextInt();
		int count = 0;
		for (int i = 1; i <= t; i++) {
			count = getRecycledNumbers(scanner.nextInt(), scanner.nextInt());
			System.out.println("Case #" + i + ": " + count);
		}
	}
}
