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 br.com.codejam.qualification;

import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		String file = "C-small-attempt1";
		Scanner sc = new Scanner(new FileReader(file + ".in"));
		PrintWriter pw = new PrintWriter(new FileWriter(file + ".out"));
		int T = new Integer(sc.nextLine());
		Map<Map<String, String>, String> mapAll = new HashMap<Map<String, String>, String>();
		Map<String, String> map = new HashMap<String, String>();

		int h = 1;
		for (int t = 1; t <= T; t++) {
			String line = sc.nextLine();
			String[] numbers = line.split(" ");
			mapAll = new HashMap<Map<String, String>, String>();
			int A = new Integer(numbers[0]);
			int B = new Integer(numbers[1]);
			if ((String.valueOf(A)).length() > 1) {
				
				for (int i = B; i > A; i--) {
					for (int j = A; j < i; j++) {
						String auxA = String.valueOf(j);
						for (int m = 0; m < auxA.length(); m++) {
							if (auxA.charAt(0) != '0') {
								if (new Integer(auxA) == i) {
									map = new HashMap<String, String>();
									map.put(String.valueOf(j),
											String.valueOf(i));
									mapAll.put(map, "sucesso");
								}
							}
							StringBuilder sb = new StringBuilder();
							sb.append(auxA.charAt(auxA.length() - 1));
							sb.append(auxA.substring(0, auxA.length() - 1));
							auxA = sb.toString();
						}
					}
				}
			}			
			pw.print("Case #" + h + ": ");
			pw.println(mapAll.size());
			/*for(Map<String, String> m : mapAll.keySet()) {
				for(String s : m.keySet()) {
					pw.print(s + " - ");
					pw.println(m.get(s));
				}
			}
			pw.println("###########################");
			pw.println();*/
			h++;

		}
		pw.flush();
		pw.close();
		sc.close();
	}

}
