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 com.google.codejam.recyclednumbers;

import java.io.*;

public class RecycledNumbers {

	private static String filename = "small";
	
	public static void main(String[] args) throws Exception {
		RandomAccessFile input = new RandomAccessFile(filename + "_in.txt", "r");
		RandomAccessFile output = new RandomAccessFile(filename + "_out.txt", "rw");
		
		int cases = Integer.valueOf(input.readLine());
		for(int i = 0; i < cases; i++){
			String[] nrs = input.readLine().split(" ");
			
			int A = Integer.valueOf(nrs[0]);
			int B = Integer.valueOf(nrs[1]);
			
			int solved = solve(A, B);
			System.out.println("Case #" + (i + 1) + ": " + solved);
			output.writeBytes("Case #" + (i + 1) + ": " + solved + "\n");
		}
		
		output.close();
		input.close();
	}
		
	private static int solve(int A, int B){
		int count = 0;
		
		String a;
		String b;
		for(int n = A; n < B; n++){
			a = String.valueOf(n);
			for(int k = n + 1; k <= B; k++){
				b = String.valueOf(k);
				if(a.length() != b.length())continue;
				
				for(int i = 0; i < b.length(); i++){
					if(a.charAt(i) == b.charAt(0)){
						boolean match = true;
						for(int j = 0; j < b.length(); j++){
							if(b.charAt(j) != a.charAt((i + j) % b.length())){
								match = false;
								break;
							}
						}
						if(match){
							count++;
							i++;
							break;
						}
					}
				}
			}
		}
		return count;
	}

}
