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 codejam.qualification;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;

public class Recycled {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws IOException {
		String file = "input3small";
		Scanner in = new Scanner(new File(file));
		int tot = Integer.parseInt(in.nextLine());
//		System.out.println(tot);
		for(int i=0;i<tot;i++) {
			String line = in.nextLine();
			String[] data = line.split(" ");
			int A = Integer.parseInt(data[0]);
			int B = Integer.parseInt(data[1]);
			
			int output = 0;
			for(int j=A; j<=B; j++) {
//				System.out.println("("+j+")");
				String s = j+"";
				output += countRecycled(s, B);
			}
			
			System.out.println("Case #"+(i+1)+": "+output);			
		}

}

	private static int countRecycled(String s, int B) {
		ArrayList<String> rec = new ArrayList<String>();
		int count = 0;
		
		for(int i=s.length()-1; i>0; i--) {
			String r = s.substring(i) + s.substring(0, i);
//			System.out.println(r);
			int s_int = Integer.parseInt(s);
			int r_int = Integer.parseInt(r);
			if(r.charAt(0) != 0 && s_int < r_int && r_int <= B && !isIn(r,rec)) {
//				System.out.println("ok: "+s+"\t"+r);
				count++;
				rec.add(r);
			}
		}

		return count;
	}

	private static boolean isIn(String r, ArrayList<String> rec) {
		for(String r2 : rec)
			if(r.equals(r2))
				return true;
		return false;
	}
}