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.johanneslauber.codejam;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import de.johanneslauber.codejam.model.ICase;
import de.johanneslauber.codejam.model.IProblem;

/**
 * provids the cases for a problem
 * 
 * @author Johannes Lauber - joh.lauber@googlemail.com
 * 
 */
public class CaseProvider {

	private int numberOfCases;
	private List<ICase> listOfCases;

	/**
	 * Read the file line by line and write it to a list of cases
	 * 
	 * @author Johannes Lauber - joh.lauber@googlemail.com
	 * @param fileName
	 * @throws IOException
	 * @throws IllegalAccessException
	 * @throws InstantiationException
	 */
	public void importFile(String fileName, Class caseClass)
			throws IOException, InstantiationException, IllegalAccessException {

		BufferedReader reader = new BufferedReader(new InputStreamReader(
				new DataInputStream(new FileInputStream(fileName))));

		// Read File Line By Line
		String stringLine = reader.readLine();
		setNumberOfCases(Integer.valueOf(stringLine));

		List<ICase> listOfCases = new ArrayList<ICase>();
		ICase currentCase = createEmptyCase(caseClass);

		int i = 1;
		while ((stringLine = reader.readLine()) != null) {

			if (i <= currentCase.getNumberOfAttributes()) {
				currentCase.setLine(i, stringLine);
				i++;
			} else {
				listOfCases.add(currentCase);
				currentCase = createEmptyCase(caseClass);
				i = 1;
				currentCase.setLine(i, stringLine);
				i++;
			}
		}
		// don't forget to add the last case
		listOfCases.add(currentCase);

		reader.close();

		this.listOfCases = listOfCases;
	}

	/**
	 * 
	 * @author Johannes Lauber - joh.lauber@googlemail.com
	 * @param caseClass
	 * @throws IllegalAccessException
	 * @throws InstantiationException
	 */
	private ICase createEmptyCase(Class<ICase> caseClass)
			throws InstantiationException, IllegalAccessException {
		ICase currentCase = caseClass.newInstance();
		return currentCase;
	}

	/**
	 * 
	 * @author Johannes Lauber - joh.lauber@googlemail.com
	 * @param forName
	 */
	public void solveCases(Class<?> forName) {

		try {
			IProblem problem = (IProblem) forName.newInstance();
			problem.setListOfCases(listOfCases);
			problem.solveCases();
		} catch (Exception e) {
			e.printStackTrace();
		}

	}

	// Setter & Getter
	public int getNumberOfCases() {
		return numberOfCases;
	}

	public void setNumberOfCases(int numberOfCases) {
		this.numberOfCases = numberOfCases;
	}

	public List<ICase> getListOfCases() {
		return listOfCases;
	}

	public void setListOfCases(List<ICase> listOfCases) {
		this.listOfCases = listOfCases;
	}

}
