/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package Happy;
import java.io.*;
import java.math.*;
import java.lang.*;
import java.util.*;
import java.util.Arrays.*;
import java.io.BufferedReader;
//import java.io.IOException;
//import java.io.InputStreamReader;
//import java.io.PrintWriter;
//import java.util.StringTokenizer;

/**
 *
 * @author ipoqi
 */
public class Happy {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new Happy().haha();
    }

    public void haha() {
        BufferedReader in = null;
        BufferedWriter out = null;
        try{
            in = new BufferedReader(new FileReader("C-large.in"));
            out = new BufferedWriter(new FileWriter("LLL.out"));
            int T = Integer.parseInt(in.readLine());
            System.out.println("T="+T);

            //LinkedList<Integer> mm = new LinkedList<Integer>();
            //mm.add(new LinkedList<Integer>());
           //int[][] mm;
           //for(int ii=0;ii<mm.length;ii++){
           //     mm[0][ii] = 1;
           //}


            for(int i=0;i<T;i++){
                String[] line = in.readLine().split(" ");
                int A = Integer.parseInt(line[0]);
                int B = Integer.parseInt(line[1]);
                //System.out.print(" A = "+A+"\n");
                //System.out.print(" B = "+B+"\n");

                int ans = 0;

                
                for(int j=A;j<B;j++){
                    int n=j;
                    if(n>=10){
                        String N = Integer.toString(n);
                        int nlen = N.length();
                        List<Integer> oks = new ArrayList<Integer>();
                        for(int k=0;k<nlen-1;k++){
                            String M = "";
                            for(int kk=1;kk<=nlen;kk++){
                                 M = M + N.charAt((k+kk)%nlen);
                            }
                            int m = Integer.parseInt(M);
                            //System.out.print(" N = "+N+"\n");
                            //System.out.print(" M = "+M+"\n");

                            if(m>n && m<=B) {
                                boolean isNewOne = true;
                                for(int kkk=0;kkk<oks.size();kkk++){
                                    //System.out.print(" KKK = "+oks.get(kkk)+"\n");
                                    if(m==oks.get(kkk)){
                                        isNewOne = false;
                                    }
                                }
                                if(isNewOne){
                                    //System.out.print(" N = "+N+"\n");
                                    //System.out.print(" M = "+M+"\n");
                                    oks.add(m);
                                    ans++;
                                }
                            }
                        }
                    }
                }
                out.write("Case #"+(i+1)+": "+ans+"\n");
                System.out.print("Case #"+(i+1)+": "+ans+"\n");
            }
            in.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            try{
                in.close();
                out.close();
            }catch(Exception e1){
                e1.printStackTrace();
            }
        }
        System.out.print("YES!\n");
    }

}
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;


public class RecycledNumbers {

	static class NumberPairs{
		int a ;
		int b ;
		int large ;
		int small;
		NumberPairs(String input){
			populateInput(input);
		}
		private void populateInput(String input) {
			StringTokenizer tokenizer = new StringTokenizer(input, " ");
			a = Integer.parseInt((String) tokenizer.nextElement());
			b = Integer.parseInt((String) tokenizer.nextElement());
			
			if(a<b || a==b){
				small = a;
				large = b;
			}else if (a>b){
				small = b;
				large = a;
			}
		}
		
		private int computeResult(){
			int count=0;
			
			for(int number = small ; number <= large; number ++){
				// Get every number under small
				Set<Integer> set = new HashSet<Integer>();
				for(int i = 0 ; i < Integer.toString(number).length()-1 ;i++){
					// Rotate number to get another number 
					
					int rotated = rotateCircular(number, i+1);
					
					if(number < rotated && rotated <= large){
						if(set.contains(rotated)) continue;
						else
							set.add(rotated);
						count++;
					}
				}
			}
			return count;
		}
		
		private static int rotateCircular(int number, int n){
			char [] val =rotateCircularly(Integer.toString(number), n);
			return Integer.parseInt(new String(val));
		}
		
		public void printResult(int i) {
			System.out.println("Case #" + i + ": " + computeResult());
		}
		
		
		public static  char[] rotateCircularly(String input1 , int n) {
			char[] input = input1.toCharArray();
			input = reverse (input, 0 , input.length-1);
			input = reverse (input , 0 , n-1);
			input = reverse (input, n , input.length-1);
			// Reverse the last n 
			
			return input;
		}
		
		public static char[] reverse(char[] input, int start, int end){
			for(int i = 0 ; i < (end - start + 2) / 2 ; i ++){
				char temp = input[start + i];
				input[start + i] = input[end-i];
				input[end-i] = temp;
			}
			return input;
		}
	}
	public static void main(String[] args) {
		try {
			String [] input = getInput("C-large.in");
			for(int i=0;i< input.length; i++){
				new NumberPairs(input[i]).printResult(i+1);
			}
		} catch (IOException e) {
		}
		
	}
	
	static String[] getInput(String fileName) throws IOException {
		BufferedReader reader = new BufferedReader(new FileReader(fileName));
		try {
			String message = reader.readLine();
			int numberOfTestCases = Integer.parseInt(message);
			String[] input = new String[numberOfTestCases];
			for (int i = 0; i < numberOfTestCases; i++) {
				message = reader.readLine();
				input[i] = message;
			}
			return input;
		} finally {
			reader.close();
		}
	}
}
