import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

import java.io.*;
//import java.util.*;
import java.util.Arrays;
import java.util.StringTokenizer;

class recyclednums {
  public static void main (String [] args) throws IOException {
	  
    BufferedReader f = new BufferedReader(new FileReader("recyclednums.in"));
    
    PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("recyclednums.out")));
    
    int n = Integer.parseInt(f.readLine());

    int[][] testcase = new int[n][2];
    int[] answer = new int[n];
    
    for(int i=0; i<n; i++){
        StringTokenizer st = new StringTokenizer(f.readLine());
    
        testcase[i][0] = Integer.parseInt(st.nextToken());
        testcase[i][1] = Integer.parseInt(st.nextToken());
        answer[i] = 0;
    }
    
    //System.out.println(qualify(Integer.toString(12345).toCharArray(),Integer.toString(34512).toCharArray()));
    
    for(int i=0; i<n; i++){
    	
    	//System.out.println("test case " + n);
    	
    	for(int j=testcase[i][0]; j<testcase[i][1]; j++){ //double check these indices
    		
    		for(int k=j+1; k<testcase[i][1]+1; k++){
    			
  			  String s1 = Integer.toString(j);
			  String s2 = Integer.toString(k);
			  
			  //System.out.println("testing " + j + " and " + k);
    			
    			if(!qualify(s1.toCharArray(),s2.toCharArray()))
    				continue;
    		
    			for(int si=1; si<s1.length(); si++){ //split the string in two then try to "recycle" the pieces
    				
    				String rec1 = s1.substring(0,si);
    				String rec2 = s1.substring(si);
    				
    				if ((rec2 + rec1).equals(s2)){
    					//System.out.println("Success!, " + rec2 + rec1 + " equals " + s2);
    					answer[i]++;
    					break;
    				}
    				
    				//System.out.println(rec1);
    				//System.out.println(rec2);
    				
    			}

    			
    			
    		}
    		
    	}
    	
    }

    for(int i=0; i<n; i++){
    	out.println("Case #" + (i+1) + ": " + answer[i]);
    }
    
    out.close();                                  
    
    System.exit(0);                             
  }
  
  public static boolean qualify(char[] a, char[] b){ //return false if these two numbers cannot POSSIBLY be recycled
	  
	  char[] arr1 = a;
	  char[] arr2 = b;
	  
	  int digit1 = arr1.length;
	  int digit2 = arr2.length;
	  
	  if (digit1 != digit2) //same num of digits
		  return false;
	  
	  Arrays.sort(arr1);
	  Arrays.sort(arr2);
	  
	  if (!Arrays.equals(arr1,arr2)){ //same usage of digits
		  return false;
	  }
	  
	  return true;
	  
  }
  
}
