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 codejam.round1;

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

public class ProblemC {
	public static void main(String[] args) throws Exception {
		BufferedReader bufferedReader = new BufferedReader(new FileReader(args[0]));
		PrintStream out = new PrintStream(args[1]);

		int testsCount = Integer.parseInt(bufferedReader.readLine());
		for (int test = 1; test <= testsCount; test++) {
			String testString = bufferedReader.readLine();
			StringTokenizer tokenizer = new StringTokenizer(testString);
			int A = Integer.parseInt(tokenizer.nextToken());
			int B = Integer.parseInt(tokenizer.nextToken());

			int recycledCounts = 0;
			for (int i = A; i <= B; i++) {
				String n = Integer.toString(i);
				int digitsCount = n.length();
				int currentDigitIndex = 1;
				Set<Integer> mSet = new HashSet<Integer>();
				while (currentDigitIndex < digitsCount) {
					int currentDigit = Integer.parseInt("" + n.charAt(currentDigitIndex));
					int possibleM = Integer.parseInt(n.substring(currentDigitIndex) + n.substring(0, currentDigitIndex));
					if (currentDigit != 0 && !mSet.contains(possibleM) && possibleM <= B && i < possibleM) {
						mSet.add(possibleM);
						recycledCounts++;
					}
					currentDigitIndex++;
				}
			}
			out.println(String.format("Case #%s: %s", test, recycledCounts));
		}

		out.close();
		bufferedReader.close();

	}

}
