/*
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 * and open the template in the editor.
 */
package gcj;

import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author daniele
 */
public class GCJ_C {
    
    public static void main(String[] args) throws Exception{
        
        
        
        Scanner in = new Scanner(new File(args[0]));
        FileWriter out = new FileWriter("/home/daniele/Scrivania/Output");
        

        int prove=in.nextInt();
        int min,max;
        int cifre;
        int cifreaus;
        String temp;
        int aus;
        int count=0;
        ArrayList<Integer> vals = new ArrayList<Integer>();
        int jcount=0;
        ArrayList<Integer> perm = new ArrayList<Integer>();
        
        out.write("");
        out.flush();
        
        for(int i=1;i<=prove;i++){
            
            out.append("Case #" +i+": ");out.flush();
            
            min=in.nextInt();
            max=in.nextInt();
            
            for(int j=min;j<=max;j++){
               if(!vals.contains(j)){
                    temp=""+j;
                    cifre=temp.length();
                    aus=j;
                    perm.add(j);
                    for(int k=1;k<cifre;k++){
                        aus=rotateOnce(aus);
                        temp=""+aus;
                        cifreaus=temp.length();//elusione zeri iniziali
                        if(aus>=min && aus<=max && aus!=j && cifreaus==cifre && nobody(vals,perm)){ 
                            perm.add(aus);
                            jcount ++;
                            
                        }
                        
                    }
                    while(jcount>0){count+=jcount; jcount--;}
                    vals.addAll(perm);
                    perm= new ArrayList<Integer>();
                    
                }
            }
            out.append(count+"\n");out.flush();
            count=0;
            vals= new ArrayList<Integer>();
        }
        
        
        
    }
        static public int rotateOnce(int n){
            String s=""+n;
            if(s.length()>1){
                s=s.charAt(s.length()-1) + s.substring(0,s.length()-1);
                n=Integer.parseInt(s);
            }
            return n;
        }    
        
        static public boolean nobody(ArrayList<Integer> v,ArrayList<Integer> a){;
            for(int i=0;i<a.size();i++)
                if(v.contains(a.get(i))) return false;
            return true;
        } 
    
}


// Recycled Numbers

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

public class RecycledNumbers {
	public static void main(String[] args) throws Exception {
		String inputPath = args[args.length-2];
		String outputPath = args[args.length-1];
		
		BufferedReader br = new BufferedReader(new FileReader(inputPath));
		int numberOfTestCases = Integer.parseInt(br.readLine());
		
		StringBuilder output = new StringBuilder();
		
		for (int i=1; i<=numberOfTestCases; i++) {
			String[] components = br.readLine().split(" ");
			int minValue = Integer.parseInt(components[0]);
			int maxValue = Integer.parseInt(components[1]);
			
			int numberOfPairs = 0;
			
			ArrayList<String> list = new ArrayList<String>();
			
			for (int value=minValue; value<=maxValue; value++) {
				String vString = Integer.toString(value);
				if (list.indexOf(vString) == -1) {
					boolean mainItemAdded = false;
					int numberOfSubpairs = 0;
					int vStringLength = vString.length();
					for (int vStringIndex=1; vStringIndex<vString.length(); vStringIndex++) {
						StringBuilder sb = new StringBuilder(vString);
						String part = sb.substring(0, vStringIndex);
						sb.delete(0, vStringIndex);
						sb.append(part);
						
						String newValueString = sb.toString();
						int newValue = Integer.parseInt(newValueString);
						int newValueLength = Integer.toString(newValue).length();
						if ((vStringLength==newValueLength) && (vString.equals(newValueString) == false) && (list.indexOf(newValueString) == -1) && (newValue >= minValue) && (newValue <= maxValue)) {
							if (mainItemAdded == false) {
								mainItemAdded = true;
								list.add(vString);
//								System.out.println(vString);
								numberOfSubpairs++;
							}
							numberOfSubpairs++;
							list.add(newValueString);
//							System.out.println(newValueString);
						}
					}
					for (int s=numberOfSubpairs-1; s>0; s--) {
						numberOfPairs+=s;
					}
//					System.out.println("Pair: " + numberOfPairs + " Sub: " + numberOfSubpairs);
				}
			}
			System.out.println("Case #" + i + ": " + numberOfPairs + "\n");
			output.append("Case #" + i + ": " + numberOfPairs + "\n");
		}
		
		BufferedWriter bw = new BufferedWriter(new FileWriter(outputPath));
		String outputString = output.toString();
		bw.write(outputString, 0, outputString.length());
		bw.close();
	}
}