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 hk.polyu.cslhu.codejam;

import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;

import hk.polyu.cslhu.codejam.lib.FileStream;
import hk.polyu.cslhu.codejam.lib.ResultCollector;
import hk.polyu.cslhu.codejam.solution.Solution;
import hk.polyu.cslhu.codejam.solution.impl.StoreCredit;
import hk.polyu.cslhu.codejam.solution.impl.qualificationround.DancingWithTheGooglers;
import hk.polyu.cslhu.codejam.solution.impl.qualificationround.RecycledNumbers;
import hk.polyu.cslhu.codejam.solution.impl.qualificationround.SpeakingInTongues;
import hk.polyu.cslhu.codejam.thread.JamThreadManager;

/**
 * Hello world!
 *
 */
public class App 
{
	public static Logger logger = Logger.getLogger(App.class);
	
	public List<List<String>> getTestCaseList(String filePath) {
		List<List<String>> testCaseList = new ArrayList<List<String>>();
		List<String> content = FileStream.read(filePath);
		logger.info("The amount of lines: " + content.size());
		logger.info("The amount of test cases: " + content.get(0));
		
		for (int i = 1; i < content.size(); i++)
			testCaseList.add(content.subList(i, i + 1));
		
		return testCaseList;
	}
	
    public static void main( String[] args )
    {
    	String filePath = "C:\\Users\\Allen HU\\Dropbox\\Misc\\C-small-attempt1.in";
    	String resultFile = filePath + ".result";
    	String resultPattern = "Case #" + ResultCollector.IndexPartInRow + ": " + ResultCollector.ResultPartInRow + "\n";
    	boolean allowMultiThreads = false;
    	
    	List<List<String>> testCaseList = new App().getTestCaseList(filePath);
    	
    	Solution solution = new RecycledNumbers();
    	
        JamThreadManager jtm = new JamThreadManager(solution, testCaseList, resultFile, resultPattern, allowMultiThreads);
        try {
			jtm.runThreads();
		} catch (CloneNotSupportedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
    }
}
