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 codejam;

import org.apache.commons.io.FileUtils;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

/**
 * Hello world!
 *
 */
public class App 
{
    public static void main( String[] args ) throws Exception
    {
        String input = FileUtils.readFileToString(new File("/Users/adilmezghouti/Documents/codejam/src/main/java/codejam/input.txt"));
        String[] arr = input.split("\\n");
        String[] split;
        int size = Integer.parseInt(arr[0]);
        App app = new App();

        List<String> lines = new ArrayList<String>();
        for(int i=1;i <= size;i++){
            split = arr[i].split(" ");
            lines.add("Case #" + i + ": " + app.permute(split[0], split[1]));
        }

        FileUtils.writeLines(new File("output.txt"), lines);


    }

    public int permute(String a, String b){
        if(a.length() <= 1) return 0;

        int counter = 0;
        int floor = Integer.parseInt(a);
        int ceil = Integer.parseInt(b);
        int buffer = floor;

        while(buffer < ceil){
            String str = String.valueOf(buffer);
            for(int i=0;i < str.length() - 1;i++){
                try {
                    int result = Integer.parseInt(str.substring(str.length() - 1 - i,str.length()) + str.substring(0,str.length() - i - 1));
                    if( result > buffer && result <= ceil) {
                        counter++;
                        //System.out.println(buffer + "  " + result + "  " + counter);
                    }
                }catch(Throwable t){
                    System.out.println(buffer);
                }
            }
            buffer++;
        }
        return counter;
    }
}


