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());
	}

}


import java.util.HashSet;
import java.util.Scanner;
import java.util.regex.Pattern;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author alvin
 */
public class RecycledNumbers {
    
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        
        int nTC = sc.nextInt();
        for (int tc = 1; tc <= nTC; tc++) {
            int hasil = 0;
            
            int a = sc.nextInt(), b = sc.nextInt();
            
            String batas = Integer.toString(b);
            char maks = batas.charAt(0);
            
            int panjang = batas.length();
            
            for (int n = a; n < b; n++) {
                String s = Integer.toString(n);
                
                if (s.length() == 1) {
                    // System.out.println(s);
                    continue;
                }
                
                if (Pattern.compile("^(.)\\1*$").matcher(s).matches()) {
                    // System.out.println(s);
                    continue;
                }
                
                HashSet<String> sudah = new HashSet<String>();
                for (int i = s.length() - 1; i >= 1; i--) {
                    char c = s.charAt(i);
                    if (c == '0') {
                        continue;
                    }
                    
                    if (c < s.charAt(0)) {
                        continue;
                    }
                    
                    if (c > maks) {
                        continue;
                    }
                    
                    StringBuilder sb = new StringBuilder(panjang);
                    String cek = sb.append(s.substring(i)).append(s.substring(0, i)).toString();
                    
                    if ((cek.compareTo(s) > 0) && (cek.compareTo(batas) <= 0)) {
                        sudah.add(cek);
                    }
                }
                
                hasil += sudah.size();
            }
            
            System.out.format("Case #%d: %d\n", tc, hasil);
        }
    }
    
}
