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

public class recycled_numbers {
	public static void main(String[]a) throws Exception{
		
		Scanner f = new Scanner(new File(a[0]));
		int result=0;
		int A,B;
		String n,m;
		HashSet<String> s=new HashSet<String>();
		
		int T=f.nextInt();	//T total case count
		for (int t=1; t<=T;t++){//for each case t
			
			s.clear();
			result=0;				//reset
			A=f.nextInt();B=f.nextInt();	//get values for next case
			
			if (A==B)result=0;//remove case not meeting problem limits 
			else{
				for(int i=A;i<=B;i++){//for each int in range
					n=Integer.toString(i);
					m=new String(n);
					//System.out.println(n);
					for (int j=1;j<n.length();j++){//move each digit to the front & test
						m = m.substring(m.length()-1)+m.substring(0,m.length()-1);
						if(m.matches("^0+[\\d]+")!=true &&
								Integer.parseInt(m)<=B &&
								Integer.parseInt(n)<Integer.parseInt(m)){
							s.add(new String(n+","+m));
							//result++;
							//System.out.println(" matched: "+m);
						}
						
					}
				}
				result = s.size();
			}

			//display output
			System.out.println("Case #" + t + ": " + result);
		}
	}
}
import com.sun.xml.internal.messaging.saaj.packaging.mime.util.LineInputStream;
import sun.tools.tree.ReturnStatement;

import javax.swing.*;
import java.io.*;
import java.util.ArrayList;

/**
 * Date: 14/4/12
 * Time: 9:19 AM
 */
public class GoogleFileStream {
    public static ArrayList<String> getInput() throws IOException {
        JFileChooser fc = new JFileChooser();
        fc.showOpenDialog(null);
        File f = fc.getSelectedFile();

        ArrayList<String> ret = new ArrayList<String>();
        LineInputStream lis = new LineInputStream(new FileInputStream(f));
        String line;
        while( (line = lis.readLine()) != null )
        {
            ret.add(line);
        }

        // number of lines:
        ret.remove(0);

        return ret;
    }

    public static void setOutput(ArrayList<String> ret) throws IOException {

        JFileChooser fc = new JFileChooser();
        fc.showSaveDialog(null);
        File f = fc.getSelectedFile();

        StringBuilder sb = new StringBuilder();
        FileWriter fw = new FileWriter(f);
        for( int i = 0; i < ret.size(); i++ )
        {
            sb.delete(0, sb.length());
            sb.append(String.format( "Case #%d: ", i + 1));
            sb.append( ret.get(i) );
            sb.append( "\n" );

            String o = sb.toString();
            fw.write( o );
            System.out.print(o);
        }
        fw.close();
    }
}
