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.numbers.recycle.orchestrator;

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

import com.numbers.recycle.algo.Recycler;
import com.numbers.recycle.io.FileOutputWriter;
import com.numbers.recycle.io.FileParser;

public class NumberRecycler {
	
	private FileParser parser = new FileParser();
	private Recycler recycler = new Recycler();
	private FileOutputWriter writer = new FileOutputWriter();
	
	public void solveAndWriteToOutputFile(String filePath){
		List<String> fileContents = parser.readFile(filePath);
		List<String> outputContents = new ArrayList<String>();
		int size = Integer.valueOf(fileContents.get(0));
		int counter = 1;
		while(counter <= size){
			outputContents.add("Case #"+ counter +": "+recycler.getRecycledNumberCount(fileContents.get(counter++).split(" ")));
		}
		writer.writeToFile(outputContents);
	}
}
