import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int t=sc.nextInt();
		int casos=1, a, b, n, m, cont;
		while(t!=0){
			a=sc.nextInt();
			b=sc.nextInt();
			if(a>b){
				int aux=a;
				a=b;
				b=aux;
			}
			System.out.printf("Case #%d: ",casos++);
			if(a==b){
				System.out.printf("%d\n",0);
			}else{
				cont=0;
				for(n=a;n<b;n++){					
					for(m=n+1;m<=b;m++){					
						if(isRecycled(n,m)) cont++;
					}
				}
				System.out.printf("%d\n",cont);
			}
			t--;
		}		
	}
	public static boolean isRecycled(int n1, int n2){
		String s1, s2, aux;
		s1 =  String.valueOf( n1 );
		s2 =  String.valueOf( n2 );		
		boolean r = false;		
		for(int i=0;i<s1.length();i++){
			aux="";
			aux=s1.substring(i,s1.length())+s1.substring(0,i);
//			System.out.println(aux);
			if(aux.equals(s2)){
				r=true;
				break;
			}
		}		
		return r;
	}
}

package codejam2012;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Scanner;

public class RecycledNumbers {

	public static void main(String[] args) throws Exception {

		Scanner scanner = new Scanner(new BufferedReader(new FileReader(
				"A-large-practice.in.txt")));
		Output out = new Output("B.out");

		int T = scanner.nextInt();

		for (int t = 1; t <= T; t++) {

			int A = scanner.nextInt();
			int B = scanner.nextInt();
			
			int count = 0;

			for(int m = A; m < B; m++ ){
				
				String strM = "" + m;
				HashSet<String> cache = new HashSet<String>();
				
				for(int p = 1; p < strM.length(); p ++){
					
					if(strM.charAt(p) < strM.charAt(0)){
						continue;
					}
					
					String strN = strM.substring(p) + strM.substring(0, p);
					
					int n = Integer.parseInt(strN);
					if(n > m && n <= B && !cache.contains(strN)){
						cache.add(strN);
						count ++;
						//System.out.println(strM + " " + strN);
					}
				}
			}

			out.format("Case #%d: %d\n", t, count);
		}

		scanner.close();
		out.close();
	}

	static class Output {

		PrintWriter pw;

		public Output(String filename) throws IOException {
			pw = new PrintWriter(new BufferedWriter(new FileWriter(filename)));
		}

		public void print(String s) {
			pw.print(s);
			System.out.print(s);
		}

		public void println(String s) {
			pw.println(s);
			System.out.println(s);
		}

		public void format(String format, Object... args) {
			pw.format(format, args);
			System.out.format(format, args);
		}

		public void close() {
			pw.close();
		}
	}

}
