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;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.BufferedWriter;
import java.io.FileWriter;

public class RecycledNumber {

		public String count(int A, int B, int caseNr)
		{
			StringBuffer sb = new StringBuffer("");
			sb.append("Case #");
			sb.append(caseNr);
			sb.append(": ");
			int result = 0;
			for (int i = A; i <= B; i++)
			{
				result += recycled(i, B);
			}
			sb.append(result);
			return sb.toString();
		}

		public int recycled(int nr, int max)
		{
			if (nr < 12) return 0;
			int test = nr;
			int count = 0;
			int length = (int)Math.ceil(Math.log10((double)nr));
			int[] digits = new int[length];
			for (int i = length-1; i >=0; i--)
			{
				digits[i] = test%10;
				test = test/10;
			}
			int[] valuesFound = new int[length];
			for (int i = 0; i < length; i++)
			{
				if (digits[i] != 0)
				{
					int value = 0;
					for (int j = 0; j < length; j++)
					{
						value = value*10;
						value += digits[(i+j)%length];
					}
					valuesFound[i] = value;
					if ((value > nr) && (value <= max)) 
					{
						boolean found = false;
						for (int k = 0; k < i; k++)
						{
							if (valuesFound[k] == valuesFound[i]) found = true;
						}
						//System.out.println(nr + " " + value);
						if (!found) count++;
					}
				}
			}
			return count;
		}
		/**
		 * @param args
		 */
		public static void main(String[] args) 
		{
			RecycledNumber test = new RecycledNumber();
			String fileName = "in3.txt";
			String outName = "out3.txt";
			try
			{
				BufferedReader br = new BufferedReader(new FileReader(fileName));
				String line = br.readLine();
				BufferedWriter bw = new BufferedWriter(new FileWriter(outName));
				int tests = new Integer(line).intValue();
				for (int i = 0; i < tests; i++)
				{
					line = br.readLine();
					String[] parts = line.split(" ");
					int A = new Integer(parts[0]).intValue();
					int B = new Integer(parts[1]).intValue();
					String line2 = test.count(A, B, i+1);
					System.out.println(line2);
					bw.write(line2+"\n");
				}
				bw.flush();
			}
			catch (Exception e)
			{
				e.printStackTrace();
			}			
		}
}

/**
Input 
Ê
4
1 9
10 40
100 500
1111 2222
Output 
Ê
Case #1: 0
Case #2: 3
Case #3: 156
Case #4: 287
*/