package it.simone.google.code.jam2012;

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

public class RecycledNumber implements GoogleCodeExercise {

	int a = 0;
	int b = 0;
	Set<Couple> distinctCouple = null;
	long maxTime = 0;

	private class Couple {
		int x = 0;
		int y = 0;

		public Couple(int x, int y) {
			this.x = x;
			this.y = y;
		}

		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + getOuterType().hashCode();
			result = prime * result + x;
			result = prime * result + y;
			return result;
		}

		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			Couple other = (Couple) obj;
			if (!getOuterType().equals(other.getOuterType()))
				return false;
			if (x == other.x && y == other.y)
				return true;
			if (x == other.y && y == other.x)
				return true;
			return false;
		}

		private RecycledNumber getOuterType() {
			return RecycledNumber.this;
		}

	}

	@Override
	public String execute(String line) {
		int result = 0;

		String[] data = line.split(" ");
		a = Integer.parseInt(data[0]);
		b = Integer.parseInt(data[1]);
		initialize();

		int n = a;
		//
		while (n <= b) {
			result += analize(n);
			n++;
//			if (n % 1000 == 0)
//				System.out.println(n);
		}

		System.out.println(result);
		return "" + result;
	}

	@Override
	public void initialize() {
		distinctCouple = new HashSet<Couple>();
	}

	private int analize(int number) {
		String numString = "" + number;
		initialize();
		for (int i = 1; i < numString.length(); i++) {
			int m = shift(numString, i);
			if (a <= number && number < m && m <= b) {
				Couple couple=new Couple(number,m);
				if (!distinctCouple.contains(couple))
					distinctCouple.add(couple);
			}
		}
		return distinctCouple.size();
	}

	private int shift(String numString, int posx) {

		String result = null;
		result = "" + numString.substring(posx) + numString.substring(0, posx);

		return Integer.parseInt(result.toString());
	}

}


//package c;


import java.io.*;
import java.util.*;
public class Main {
   
    public static void main(String args[]) throws IOException{
        BufferedReader in = new BufferedReader(new FileReader("C.in"));
        PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("C.out")));
        int T = Integer.parseInt(in.readLine());
        for(int C = 1; C <= T ; C++) doit(C, in, out);
        in.close();
        out.close();
        System.exit(0);
    }

    public static void doit(int C, BufferedReader in, PrintWriter out) throws IOException{
        StringTokenizer tok = new StringTokenizer(in.readLine());
        int A = Integer.parseInt(tok.nextToken());
        int B = Integer.parseInt(tok.nextToken());
        //SOLUTION
        long ans = 0;
        for(int i = A; i <= B; i++){
            int[] arr = rotateString( i + "" );
            int kl = arr.length;
            for(int k = 0; k < kl; k++){
                if(arr[k] >= A && arr[k] <= B && arr[k] > i) ans++;
            }
        }
        
        out.println("Case #" + C + ": " + ans);
    }
    
    public static int[] rotateString(String s){
        Set<Integer> list = new HashSet<Integer>();
        int L = s.length();
        if(L == 1) return new int[]{};
        
        for(int i = 1; i < L ; i++) {
            list.add(Integer.parseInt( s.substring(i) + s.substring(0, i)));
            
        }
        
        int size = list.size();
        int[] arr = new int[size];
        int now = 0;
        for(Integer num : list) arr[now++] = num; 
        
        return arr;
    }

}