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package year_2012.qualification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


    public static void main(String[] args) throws FileNotFoundException, IOException {

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}


import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.*;

public class testrun {

	
	public static void main(String[] args) {
		
		
	    
	    BufferedReader in;
	    String line;
	    PrintWriter out;
	   
	    // Inputting File.
		try {
			in = new BufferedReader(new FileReader("C:\\Users\\imumair\\Desktop\\C-small-attempt0.in"));
			
			
			int i = Integer.parseInt( in.readLine() );
			ArrayList<String> outputlist = new ArrayList<String>();

			
			String outstring = "";
			
			String initstring = "" ;
			
		    int count = 1 ; 
		    
		    int resultcount = 0;
			
			while(in.ready() && count <= i){
				
				initstring = "Case #" + count+": " ;
				
				try {
					line = in.readLine();
					
					
					outstring = "";
					
					String[] linearray =   line.split(" ");
					
					resultcount = 0;
					int a = Integer.parseInt( linearray[0]);
					
					int b = Integer.parseInt( linearray[1]); 
					
				
					for (int j = a ; j<b ; j++){
					
						ArrayList<Integer>  digitlist = new ArrayList<Integer>();
						
						
						int number = j; // = and int
						
						
						LinkedList<Integer> stack = new LinkedList<Integer>();
						while (number > 0) {
						    stack.push( number % 10 );
						    number = number / 10;
						}
	
						while (!stack.isEmpty()) {
						  digitlist.add(stack.pop());
						}
						
						int numdigits = digitlist.size();
						
						
						
						
						if(numdigits > 1  ){
							
							
    							String comb = "";
							
								 
    							
    							if(allequal(digitlist)){
    							   
    							   resultcount = resultcount + 0;
    							} else {
    							
    							    String prevcomb = "";
    							    
    							    //going throguh all combinations
	    							for (int m = 1 ; m <numdigits; m++) {
										
										comb = "";
										
										for(int m1 = m; m1<numdigits; m1++){
											comb = comb+digitlist.get(m1);
										}
										
										for(int m2 = 0; m2< m ; m2++ ){
											comb = comb + digitlist.get(m2);
										}
									    
										int resultant = Integer.parseInt(comb); 
										
								
									
										
										if( resultant <= b && resultant > j && !prevcomb.equals(comb) ){
											resultcount++;
											prevcomb = comb;
											//System.out.println("( " +j+" , " + comb +" )"  );
										}
										
									
									
									}
								
    							}							

						}
						
						
						
					
					}
					
					
					outstring = initstring+outstring +resultcount;
					
					
					outputlist.add(outstring);
					
					//System.out.println(line);
					
							
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
					System.out.println("readline fails!!");
				}
				
				count++;
				
			}
				
			in.close();
			
			
			//Outputting File.
			
            out = new PrintWriter(new FileWriter("C:\\Users\\imumair\\Desktop\\A-small-output.out"));
			if(i >0){
				int k;
				for (k = 0; k < i ; k++){
					out.println(outputlist.get(k));
				}
			}else{
				out.println("");
			}
				
				
			out.close();			
			
			
		}  catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			System.out.println("Ready Input fails.");
		}
		
	
		
	}
	
	
	public static boolean allequal(ArrayList<Integer> digitlist){
		
		int n = digitlist.size();
		
		int start = digitlist.get(0);  
		
		boolean all = true;
		
			for (int i = 0; i<n ; i++ ){
				
				if(start !=  digitlist.get(i)){
					all = false;
                    break;					
				}
				
				
			}
		
		return all;
	}
	
	

}
