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 it.simone.google.code.jam2012;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class GoogleCodeJamManager {
	
	public static void main(String[] args) {
//		GoogleCodeExercise tm = new Translator();
//		GoogleCodeJamManager.execute("inputFile_Translator.in","outputFile_Translator.out",tm);
//		GoogleCodeExercise dancer = new Dancer();
//		GoogleCodeJamManager.execute("inputFile_Dancer.in","outputFile_Dancer.out",dancer);
		GoogleCodeExercise recycled = new RecycledNumber();
		GoogleCodeJamManager.execute("inputFile_Recycled.in","outputFile_Recycled.out",recycled);
	}

	public static void execute(String inputFile,String outputFile,GoogleCodeExercise exercise) {

		BufferedReader br = null;
		BufferedWriter bw=null;
		int testNumber=0;
		
		try {
			exercise.initialize();
			br = new BufferedReader(new FileReader(inputFile));
			bw=new BufferedWriter(new FileWriter(outputFile));
			String line = br.readLine();
			testNumber=Integer.parseInt(line);
			line=br.readLine();
			int testCounter=1;
			while (line != null) {
				System.out.println("Test" +testCounter +"/"+testNumber+ "\t Line=" + line);
				String translatedLine=exercise.execute(line);
				bw.write("Case #"+testCounter+": "+translatedLine+"\n");
				line=br.readLine();
				testCounter++;
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}finally {

			try {
				if (br != null)
					br.close();
				if(bw!=null)
					bw.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}		
	}

}
