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 ru.guredd.codejam;

import java.util.Arrays;
import java.util.StringTokenizer;

public class Qualification2012C {

    public void solve() {

        int count = Integer.valueOf(Main.inputData.get(0));
        for (int i = 0; i < count; i++) {
            int result = 0;

            String data = Main.inputData.get(i + 1);

            StringTokenizer st = new StringTokenizer(data, " ");
            int A = Integer.parseInt(st.nextToken());
            int B = Integer.parseInt(st.nextToken());

            for (int j = A; j <= B; j++) {
                result += calculateRecycled(j,j,A,B);
            }

            Main.outputData.add("Case #" + (i + 1) + ": " + result);
        }
    }

    private int calculateRecycled(int v, int orig, int A, int B) {
        char[] charV = String.valueOf(v).toCharArray();
        char[] shiftedV = new char[charV.length];
        do {
            System.arraycopy(charV, 1, shiftedV, 0, charV.length - 1);
            shiftedV[charV.length - 1] = charV[0];
            charV = Arrays.copyOf(shiftedV, shiftedV.length);
        } while (shiftedV[0]=='0');

        int shiftedVal = Integer.valueOf(String.valueOf(shiftedV));

        if (shiftedVal == orig) {
            return 0;
        }

        if (shiftedVal >= A && shiftedVal <= B && shiftedVal > orig) {
            return 1 + calculateRecycled(shiftedVal, orig, A, B);
        } else {
            return calculateRecycled(shiftedVal, orig, A, B);
        }
    }
}
