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.codejam;

import static java.math.BigInteger.ONE;

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

public class RotatingNumbers {

	/**
	 * @param args
	 * @throws FileNotFoundException 
	 */
	public static void main(String[] args) throws FileNotFoundException {
		new RotatingNumbers().run();
	}

	private int count(BigInteger minValue, BigInteger maxValue) {
		BigInteger currentNumber = minValue;
		int counter = 0;
		
		while (!maxValue.equals(currentNumber)) {
			BigInteger candidate = null;
			int r = 1;
			while (!currentNumber.equals(candidate)) {
				candidate = rotateLeft(currentNumber, r++);
				if (candidate.compareTo(currentNumber) > 0 && candidate.compareTo(maxValue) <= 0 && candidate.compareTo(minValue) >= 0) {
					counter++;
				}
			}
			currentNumber = currentNumber.add(ONE);
		}
		return counter;
	}

	private void run() throws FileNotFoundException {
		BigInteger[][] data = parseInput("input");
		Integer[] result = solve(data);
		printResult(result, "output");
	}
	
	private Integer[] solve(BigInteger[][] data) {
		Integer[] result = new Integer[data.length];
		for (int i = 0; i < data.length; i++) {
			result[i] = count(data[i][0], data[i][1]);
		}
		return result;
	}

	private BigInteger rotateLeft(BigInteger value, int digits) {
		String stringValue = value.toString(10);
		StringBuilder result = new StringBuilder(stringValue.substring(digits));
		result.append(stringValue.substring(0, digits));
		return new BigInteger(result.toString(), 10);
	}

	private void printResult(Integer[] result, String path) throws FileNotFoundException {
		PrintWriter p = new PrintWriter(new File(path));
		try { 
			for (int i = 1; i < result.length+1; i++) {
				p.format("Case #%d: %d\n", i, result[i-1]);
			}
		} finally {
			p.close();
		}
	}

	private BigInteger[][] parseInput(String path) throws FileNotFoundException {
		Scanner scanner = new Scanner(new File(path));
		try {
			BigInteger[][] input = new BigInteger[scanner.nextInt()][2];
			scanner.nextLine(); // skip to the next line
			for (int i = 0; i < input.length; i++) {
				input[i][0] = new BigInteger(scanner.next());
				input[i][1] = new BigInteger(scanner.next());
//				scanner.nextLine();
			}
			return input;
		} finally {
			scanner.close();
		}
	}
}
