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();
    }
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.util.ArrayList;

/**
 * 
 */

/**
 * @author Bryan
 *
 */
public class problemC {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		String filePath = "/Users/Bryan/Documents/CodeJam/ProblemC/C-large.in";
		boolean isFirstLine = true;
		int counter = 1;
		StringBuffer resultString = new StringBuffer();
		
		try {
			// Open the file that is the first
			// command line parameter
			FileInputStream fstream = new FileInputStream(filePath);
			// Get the object of DataInputStream
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;
			// Read File Line By Line
			while ((strLine = br.readLine()) != null) {
				if (isFirstLine){
					isFirstLine = false;
					continue;
				}
				
				resultString.append("Case #" + counter + ": ");
				String[] numberList = strLine.split(" ");
				int result = 0;
				int min = Integer.parseInt(numberList[0]);
				int max = Integer.parseInt(numberList[1]);
				for ( int a = min; a <= max; a++){
					result = result + noOfPairs(Integer.toString(a),min, max);
//					System.out.println("final result = " + result);
				}
				System.out.println("result = " + result/2);
				
				resultString.append(result/2);
				resultString.append("\n");
				counter++;
			}
			// Close the input stream
			in.close();
		} catch (Exception e) {// Catch exception if any
			System.err.println("Error: " + e.getMessage());
		}
		
		writeStringToFile(resultString.toString());
		
		


	}
	
	private static int noOfPairs(String num,int min, int max){
		int noOfPairs = 1;
		String oldString = num;

		String newString = "";
		String tempString = oldString;
		ArrayList<String> addedList = new ArrayList<String>();
		for ( int counter = 0; counter < oldString.length(); counter++){
			newString= tempString.substring(tempString.length()-1)+tempString.substring(0,tempString.length()-1);
			tempString=newString;
//			System.out.println(newString);
			
			if( !newString.startsWith("0") && Integer.parseInt(newString) <= max
					&&  Integer.parseInt(newString) >= min
					&&  !newString.equalsIgnoreCase(num)
					&& !addedList.contains(newString)){
				addedList.add(newString);
				noOfPairs++;
			}
		}
		if ( noOfPairs == 1 ){
			return 0;
		}
		return noOfPairs - 1;
//		return nCr(noOfPairs,2);
	}
	
	private static void writeStringToFile(String outputString) {
		try {
			// Create file
			FileWriter fstream = new FileWriter("/Users/Bryan/Documents/CodeJam/ProblemC/output.txt");
			BufferedWriter out = new BufferedWriter(fstream);
			out.write(outputString);
			// Close the output stream
			out.close();
		} catch (Exception e) {// Catch exception if any
			System.err.println("Error: " + e.getMessage());
		}
	}

}
