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 qualification.c;

import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

import common.ClockWatch;
import common.ISolver;
import common.QuestionHandler;

public class RecycledNumbers implements ISolver {

	private int addCountSign(Set<Integer> signatures, Set<Integer> tmpSig,
			int val, int min, int max) {
		String valStr = String.valueOf(val);
		int len = valStr.length();
		char[] chars = new char[len * 2];
		for (int i = 0; i < len; ++i) {
			chars[i] = valStr.charAt(i);
			chars[i + len] = valStr.charAt(i);
		}
		int presentSigCount = 0;
		tmpSig.clear();
		for (int i = 1; i < len; ++i) {
			if (chars[i] != '0') {
				Integer sig = Integer.valueOf(new String(chars, i, len));
				if (sig >= min && sig <= max) {
					if (tmpSig.add(sig) && signatures.contains(sig)) {
						++presentSigCount;
					}
				}
			}
		}
		signatures.add(val);
		return presentSigCount;
	}

	@Override
	public String solve(String problem) {
		Scanner scan = new Scanner(problem);
		int min = scan.nextInt();
		int max = scan.nextInt();

		Set<Integer> signatures = new HashSet<Integer>();
		Set<Integer> tmpSig = new HashSet<Integer>();
		int result = 0;
		for (int i = min; i <= max; ++i) {
			result += addCountSign(signatures, tmpSig, i, min, max);
		}

		return String.valueOf(result);
	}

	@Override
	public void addCase(String problem, String answer) {
		String myAnswer = solve(problem);
		if (!myAnswer.equals(answer)) {
			throw new RuntimeException("Invalid prediction for '" + problem
					+ "'. Expected '" + answer + "' got '" + myAnswer + "'");
		}

	}

	public static void main(String[] args) {
		ClockWatch watch = new ClockWatch();
		QuestionHandler questionHandler = new QuestionHandler(
				new RecycledNumbers());
		questionHandler.addResource("sample.in", "sample.out");

		watch.tic();
		// System.out.println("Sample input:");
		// questionHandler.solve("sample.in", "sample.out");

		System.out.println("\nSmall input:");
		questionHandler.solve("small.in", "small.out");

		// System.out.println("\nLarge input:");
		// questionHandler.solve("large.in", "large.out");
		watch.printTocSecs();
	}
}
