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.HashSet;
import java.util.StringTokenizer;

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		FileReader in = new FileReader("C-small-attempt0.in");
		BufferedReader buff = new BufferedReader(in);
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(
				"C-small-attempt0.out")));

		int nCases = Integer.parseInt(buff.readLine());
		StringBuilder output = new StringBuilder("");

		for (int i = 0; i < nCases; i++) {
			String input = buff.readLine();
			output.append("Case #" + (i + 1) + ": " + getPairs(input) + "\n");
		}
		out.print(output.toString());
		in.close();
		out.close();
	}

	private static long getPairs(String input) {
		StringTokenizer st = new StringTokenizer(input);
		String first = st.nextToken();
		String second = st.nextToken();
		int from = Integer.parseInt(first);
		int to = Integer.parseInt(second);
		long counter = 0;

		HashSet<String> set = new HashSet<String>();
		for (int i = from; i <= to; i++) {
			String temp = i + "";
			for (int j = 0; j < temp.length(); j++) {
				String next = temp.substring(j, temp.length())
						+ temp.substring(0, j);
				int x = Integer.parseInt(next);
				if (x <= to && x >= from && i < x
						&& !set.contains(temp + "$" + next)) {
					counter++;
					set.add(temp + "$" + next);
				}
			}
		}
		return counter;
	}
}
