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 gcj.gcj2012.qualif;

import gcj.SolverBase;

import java.io.BufferedReader;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Set;

public class ProblemC extends SolverBase {

    public ProblemC() {
        super("Recycled Numbers");
    }

    public static void main(String[] args) throws Exception {
        SolverBase problem = new ProblemC();
        // problem.verbose = true;
        problem.solve(System.in, System.out);
    }

    @Override
    public void solveSingle(BufferedReader reader, PrintStream out) throws Exception {
        int[] AB = readSingleLineIntArray(reader);
        int A = AB[0];
        int B = AB[1];

        // How many digits?
        int d = (""+A).length();
        check(d == (""+B).length());

        int x = 0;
        Set<String> done = new HashSet<String>();

        // Naive implementation 1 : full loop
        for(int i=A;i<B;i++){
            for(int k=1;k<d;k++){
                int j = rotate(i,d,k);
                if( i<j && j<=B ){
                    String pair = i+","+j;
                    if( !done.contains(pair) ){
                        x ++;
                        done.add(pair);
                    }
                }
            }
        }

        out.println(x);
    }

    static int[] pows = { 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000 };

    private int rotate(int i, int d, int k) {
        int pow1 = pows[k];
        int pow2 = pows[d-k];
        int bar = i/pow1;
        int foo = pow2 * (i%pow1);
        int j = foo + bar;
        //System.out.println("rotate("+i+","+k+")"+" = "+j);
        return j;
    }
}
