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 java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;


public class Utils {
	public static ArrayList<String> readFile(String filename){
		//replace local file with remote file from peerInfo address
		ArrayList<String> ret= new ArrayList<String>();
		try {
			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
		      ret.add(strLine);
		    }
		    //Close the input stream
		    in.close();
				  
	    }
	   catch (Exception e) { e.printStackTrace(); }
	   return ret;
	}
	public static void writeFile(ArrayList<String> input, String filename){
		//replace local file with remote file from peerInfo address
		try{
		    // Create file 
		    FileWriter fstream = new FileWriter(filename);
		    BufferedWriter out = new BufferedWriter(fstream);
		    for (String string : input) {
		    	out.write(string+"\n");
			}
		    //Close the output stream
		    out.close();
	    }catch (Exception e){//Catch exception if any
	      System.err.println("Error: " + e.getMessage());
	    }
	}
	public static void compare(String filename1, String filename2){
		//replace local file with remote file from peerInfo address
		try {
			FileInputStream fstream1 = new FileInputStream(filename1);
		    // Get the object of DataInputStream
		    DataInputStream in1 = new DataInputStream(fstream1);
		    BufferedReader br1 = new BufferedReader(new InputStreamReader(in1));
		    String strLine1;
		    FileInputStream fstream2 = new FileInputStream(filename2);
		    // Get the object of DataInputStream
		    DataInputStream in2 = new DataInputStream(fstream2);
		    BufferedReader br2 = new BufferedReader(new InputStreamReader(in2));
		    String strLine2;
		    boolean isDup=false;
		    //Read File Line By Line
		    while ((strLine1 = br1.readLine()) != null)   {
		    	strLine2 = br2.readLine();
		      // Print the content on the console
		      if(!strLine1.equals(strLine2)){
		    	  isDup=true;
		    	  System.out.println("1="+strLine1+", 2="+strLine2);
		      }
		    }
		    if(!isDup){
		    	System.out.println("same");
		    }
		    //Close the input stream
		    in1.close();
		    in2.close();
				  
	    }catch (Exception e){//Catch exception if any
	      System.err.println("Error: " + e.getMessage());
	    }
	}

	public static void sort(String input, String output){
		//replace local file with remote file from peerInfo address
		ArrayList<String> l= readFile(input);
		Collections.sort(l, new Comparator(){
			public int compare(Object arg0, Object arg1) {
				String st1=(String)arg0;
				String st2=(String)arg1;
				int i1=Integer.parseInt(st1.substring(st1.indexOf('#')+1, st1.indexOf(':')));
				int i2=Integer.parseInt(st2.substring(st2.indexOf('#')+1, st2.indexOf(':')));
				return i1-i2;
			}
			
		});
		writeFile(l, output);
	}
}
