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 qualification;

import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Scanner;

public class C {
	public static void main(String[] Args) throws IOException {
		Scanner sc = new Scanner(new FileReader("C-small.in"));
		PrintWriter pw = new PrintWriter(new FileWriter("output.txt"));
		
		int caseCnt = sc.nextInt();
//		int caseCnt=1;
		for (int caseNum=1; caseNum <= caseCnt; caseNum++) {
			System.out.println(caseNum);
			int A=sc.nextInt();
			int B=sc.nextInt();
//			int A = 1234567;
//			int B =1234567;
			HashMap<Integer, LinkedList<Integer>> visited = new HashMap<Integer, LinkedList<Integer>>();
			long total=0;
			for(int i=A;i<=B;i++){
				if(!visited.containsKey(i))
					visited.put(i, new LinkedList<Integer>());
				String stringI=String.valueOf(i);
				for(int j=1;j<stringI.length();j++) {
					String test = stringI.substring(j)+stringI.substring(0, j);
					int testInt = Integer.parseInt(test);
					if(testInt>=A && testInt<=B && testInt!=i){
						if(!visited.containsKey(testInt))
							visited.put(testInt, new LinkedList<Integer>());
						if(!visited.get(testInt).contains(i)) {
							total++;
							visited.get(testInt).add(i);
							visited.get(i).add(testInt);
						}
					}
				}
			}
			System.out.println(total);
			pw.println("Case #" + caseNum + ": " + total);
		}
		
		pw.flush();
		pw.close();
		sc.close();
	}

}
