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;
	}
}

import java.util.*;
import java.io.*;

public class Q3 {

	static int m1(String s) {
		int count=0;
		Scanner sc=new Scanner(s);
		int a=sc.nextInt(), b=sc.nextInt();
		String s1=null, s2=null;
		for (int n=a; n<b; n++)
		{
			for (int m=n+1; m<=b; m++)
			{
				s1=String.valueOf(n); s2=String.valueOf(m);
				if (s1.length()==s2.length())
				{
					List<String> iso=new ArrayList<String>();
					for (int i=0; i<s1.length()-1; i++)
						iso.add(s1.substring(s1.length()-i-1)+s1.substring(0, s1.length()-i-1));
					for (String ss:iso)
						if (ss.equals(s2))
							count++;
				}
			}
		}
		return count;
	}
	public static void main(String[] args) throws IOException {
		File inFile=new File("C-small-attempt0.in");
		File outFile=new File("C-small-attempt0.out");
		BufferedReader br=new BufferedReader(new FileReader(inFile));
		PrintWriter out=new PrintWriter(new FileWriter(outFile));
		StringBuilder sb=new StringBuilder();
		int ntc=Integer.parseInt(br.readLine());
		for (int tc=1; tc<=ntc; tc++)
		{
			String s=br.readLine();
			sb.append("Case #"+tc+": "+m1(s)+"\n");
		}
		out.write(sb.toString());
		br.close();
		out.close();
	}
}
