import java.util.Scanner;
import java.io.*;
import java.lang.Math;


public class C{
	public static int recycle(String str){
		String[] numbers = str.split(" ");
		int min = Integer.parseInt(numbers[0]);
		int max = Integer.parseInt(numbers[1]);
		int ret = 0;

		for(int i = min; i < max; i++){
			String num = i + "";
			int len = num.length();
			int k = i;
			for(int j = 1; j < len; j++){
				k = (k/10) + (int)java.lang.Math.pow(10.0,(double)(len-1))*(k%10);
				if (k > i && k <= max)
					ret++;
				else if(k == i)
					break;
			}
		}

		return ret;
	}

	public static void main(String[] args){
		Scanner sc = null;
		String next;
		int out;
		try{
			sc = new Scanner(new File("C-large.in"));
			int cases = Integer.parseInt(sc.nextLine());
			int current = 0;
			

			FileWriter fs = new FileWriter("output.txt");
			BufferedWriter buff = new BufferedWriter(fs);
			while(current < cases){
				next = sc.nextLine();
				current++;
				out = recycle(next);
				buff.write("Case #" + current + ": " + out + "\n");
			}
			buff.close();
		}
		catch(Exception ex){}
	}
}
package gcj2012.qual;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class C {

	final boolean DEBUG = false;
	final String PACKAGE = "gcj2012/qual";
	final String PROBLEM = "C";
	
	@SuppressWarnings("unchecked")
	void run(){
		if(!DEBUG){
			try {
//				System.setIn(new FileInputStream(new File("./src/"+PACKAGE+"/"+PROBLEM+"-small.in")));
				System.setIn(new FileInputStream(new File("./src/"+PACKAGE+"/"+PROBLEM+"-large.in")));
//				System.setOut(new PrintStream(new File("./src/"+PACKAGE+"/"+PROBLEM+"-small_out.txt")));
				System.setOut(new PrintStream(new File("./src/"+PACKAGE+"/"+PROBLEM+"-large_out.txt")));
			} catch (FileNotFoundException e) {
				e.printStackTrace();
			}
		}
		Scanner sc = new Scanner(System.in);
		int T = sc.nextInt();
		int N = 2000000;
		Set<Integer>[] s = new Set[N+1];
		for(int x=1;x<=N;x++){
			s[x] = new HashSet<Integer>();
			String t = x+"";
			int n = t.length();
			for(int i=0;i<n-1;i++){
				t = t.substring(n-1)+t.substring(0, n-1);
				if(t.charAt(0)=='0')continue;
				int r = Integer.parseInt(t);
				if(x<r&&r<=N)s[x].add(r);
			}
		}
		for(int CASE=1;CASE<=T;CASE++){
			int A = sc.nextInt(), B = sc.nextInt();
			int res = 0;
			for(int i=A;i<=B;i++)for(int x:s[i])if(x<=B)res++;
			System.out.println("Case #"+CASE+": "+res);
		}
	}
	
	public static void main(String[] args) {
		new C().run();
	}
}
