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 recycled;

import java.util.Scanner;

public class Recycled {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int t = scanner.nextInt();
        int[] count = new int[t];
        for (int i = 0; i < t; i++) {
            int a = scanner.nextInt();
            int b = scanner.nextInt();
            for (int j = a; j <= b; j++) {
                String temp = Integer.toString(j);
                int index=0;
                 int[] num=new int[(int) Math.log10(j)];
                for (int k = 0; k < Math.log10(j); k++) {
                    if (Math.log10(j) >= 1) {
                       
                        
                        String temp2 = temp.substring(k + 1, temp.length()) + temp.substring(0, k + 1);
                        int temp3 = Integer.parseInt(temp2);
                        if (temp3 <= b & temp3>j) {
                            count[i]++;
                            num[index]=temp3;
                            index++;
                        }
                    }
                }
                if (index>1){
                for(int k=0;k<index;k++){
                    for(int l=k+1;l<index;l++ ){
                        if (num[k]==num[l]){
                            count[i]--;
                        }
                    }
                    }
                }
            }
        }
        for (int i = 0; i < t; i++) {
            System.out.println("Case #" + (i + 1) + ": " + count[i]);
        }
    }
}
