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 codejam;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.HashMap;

public class RecyledNumbers {

	public static void main(String[] args) {
		String filename = "C:\\Users\\maheswaran\\Desktop\\C-large.in";
		String fileContents = readFile(filename);
		
		String[] lines = fileContents.split("\n");
		
		int noOfLines = Integer.parseInt(lines[0]);
		
		for(int i = 1; i <= noOfLines; i++)
		{
			int noOfRecyclables = 0;
			HashMap<String, String> recyclables = new HashMap<String, String>();
			
			String[] numbers = lines[i].split(" ",2);
			
			int start = Integer.parseInt(numbers[0]);
			int end = Integer.parseInt(numbers[1]);
			
			for( int j = start; j<=end; j++)
			{
				int digits = (start+"").length();
				
				for(int k = 1; k< digits;k++)
				{
					String numString = j+"";
					String shiftString = shift(numString,k);
					
					if(numString.equals(shiftString))
					{
						continue;
					}
					
					int shiftNum  = Integer.parseInt(shiftString); 
					if(shiftNum <= end && shiftNum>=start)
					{
						
						if(shiftNum > j)
						{
						
							recyclables.put(numString+","+shiftNum,"12");
							//noOfRecyclables++;
							continue;
						}
					}
					
					
				}
				
				
				
			}
			
			noOfRecyclables = recyclables.size();
			
			System.out.println("Case #"+i+": "+noOfRecyclables);
		}
		
	}
	
	private static String shift(String num, int numToShift)
	{
		String shiftedNum;
		int positionToSplit = num.length() - numToShift;
		shiftedNum = num.substring(positionToSplit) + num.substring(0,positionToSplit);
		
		return shiftedNum;		
	}

	private static String readFile(String filename)
	{
		StringBuffer file = new StringBuffer();
		try{
			  // Open the file that is the first 
			  // command line parameter
			  FileInputStream fstream = new FileInputStream(filename);
			  // 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)   {
			  // Print the content on the console
			 file.append(strLine).append("\n");
			  }
			  //Close the input stream
			  in.close();
			    }catch (Exception e){//Catch exception if any
			  System.err.println("Error: " + e.getMessage());
			  }
		return file.toString();
		
	}


}
