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;
	}
}


package codejam;

import java.io.*;

public class RecycledNumbers {

    private BufferedReader br;
    private BufferedWriter wr;
    
    public RecycledNumbers(String filein,String fileout){
        try{
            br = new BufferedReader(new 
                    InputStreamReader(new FileInputStream(filein)));
            wr = new BufferedWriter(new FileWriter(fileout));
            
            int num = 0;
            num = Integer.parseInt(br.readLine());
            
            for (int i = 1;i<=num;i++){
                String buf = br.readLine();
                String[] bufarray = buf.split(" ");
                int num1 = Integer.parseInt(bufarray[0]);
                int num2 = Integer.parseInt(bufarray[1]);
                int pairs = 0;
                for (int n = num1;n <= num2;n++){
                    int digit = getDigits(n);
                    for (int d = 1;d < digit;d++){
                        if (isTwin(n,digit) && d == (digit/2)+1) break;
                        int pair = (n%((int)Math.pow(10, d)))*((int)Math.pow(10, digit-d))+
                                n/((int)Math.pow(10, d));
                        if (pair > n &&
                                pair <= num2){
                            if (num1 > 1000)
                            System.out.println(n+" "+pair);
                            pairs++;
                        }
                    }
                }
                String out = "Case #"+i+": "+pairs;
                wr.write(out);
                if (i != num)
                    wr.newLine();
            }
            
            br.close();
            wr.close();
        }catch (IOException e){
            System.out.println("IO failure");
        }
    }
    
    private boolean isTwin(int n,int digit){
        if (digit%2 == 1) return false;
        
        return (n%(int)Math.pow(10, digit/2) == n/(int)Math.pow(10, digit/2));
    }
    
    private int getDigits(int n){
        int digit = 1;
        while(n/10 != 0){
            digit++;
            n /= 10;
        }
        
        return digit;
    }
    
    public static void main(String[] args) {
        RecycledNumbers sp = new RecycledNumbers("C-small-attempt0.in","C-small-attempt0.out");
    }
}
