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 actual;
import java.io.*;
import java.util.*;

public class C
{
	String line;
	StringTokenizer inputParser;
	BufferedReader is;
	FileInputStream fstream;
	DataInputStream in;
	
	void openInput(String file)
	{

		//is = new BufferedReader(new InputStreamReader(System.in));//stdin
		try{
			fstream = new FileInputStream(file);
			in = new DataInputStream(fstream);
			is = new BufferedReader(new InputStreamReader(in));
		}catch(Exception e)
		{
			System.err.println(e);
		}

	}
	
	void readNextLine()
	{
		try {
			line = is.readLine();
			inputParser = new StringTokenizer(line, " ");
			//System.err.println("Input: " + line);
		} catch (IOException e) {
			System.err.println("Unexpected IO ERROR: " + e);
		}	
		
	}
	
	int NextInt()
	{
		String n = inputParser.nextToken();
		int val = Integer.parseInt(n);
		
		//System.out.println("I read this number: " + val);
		return val;
	}
	
	String NextString()
	{
		String n = inputParser.nextToken();
		return n;
	}
	
	void closeInput()
	{
		try {
			is.close();
		} catch (IOException e) {
			System.err.println("Unexpected IO ERROR: " + e);
		}
			
	}
	
	public static void main(String [] argv)
	{
		C c = new C(argv[0]);
	}
	public C(String inputFile)
	{
		openInput(inputFile);
		readNextLine();

		int TC = NextInt();
		
		for(int t=0; t<TC; t++)
		{	
			int ret=0;
			readNextLine();
			int A=NextInt();
			int B=NextInt();
			for(int i=A; i<B; i++)
				ret+=get(i, B);
			System.out.println("Case #"+(t+1)+": "+ret);
		}
		closeInput();
	}

	private int get(int a, int B) {
		int ret=0;
		String s=""+a;
		List <Integer> all = new ArrayList<Integer>();
		for(int i=1; i<s.length(); i++)
		{
			String s2=s.substring(i)+s.substring(0, i);
			int b=Integer.parseInt(s2);
			if(b>a&&b<=B)
			{
				if(all.contains(b))continue;
				all.add(b);
				
				ret++;
			}
		}
		
		return ret;
	}
	
}

