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 de.at.codejam.problem3.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.StringTokenizer;

import de.at.codejam.problem3.Problem3Case;
import de.at.codejam.util.AbstractInputFileParser;
import de.at.codejam.util.TaskStatus;

public class Problem3InputFileParser extends
		AbstractInputFileParser<Problem3Case> {

	private int nextCaseNumber = 1;
	private int nextCaseLine = 2;

	public Problem3InputFileParser(File inputFile) {
		super(inputFile);
	}

	@Override
	public Problem3Case getNextCase() throws IOException {

		Problem3Case problem3Case = new Problem3Case();

		TaskStatus taskStatus = getTaskStatus();
		BufferedReader bufferedReader = null;

		try {

			bufferedReader = checkoutBufferedReader();
			taskStatus.setNumberCurrentCase(nextCaseNumber);

			List<String> lineList = readLines(bufferedReader, nextCaseLine, 1);

			String stringCase = lineList.get(0);
			StringTokenizer stringTokenizer = new StringTokenizer(stringCase,
					" ");

			String numberA = stringTokenizer.nextToken().trim();
			String numberB = stringTokenizer.nextToken().trim();

			problem3Case.setNumberA(numberA);
			problem3Case.setNumberB(numberB);

			nextCaseNumber++;
			nextCaseLine += 1;

		} finally {
			if (null != bufferedReader) {
				try {
					checkinBufferedReader(bufferedReader);
				} catch (IOException e) {

				}
			}
		}

		return problem3Case;
	}

}
