import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

class RecycledNumbers{
	
	
	
	int getcount(int small,int large){
		int count = 0;
		for(int currnum = small; currnum < large; currnum++){
			int permut = currnum;
			int no_of_digits = 0;
			while(permut > 0){
				permut = permut/10;
				no_of_digits++;
			}
			int lastDigit = currnum % 10;
			permut = currnum / 10;
			permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
			while(permut != currnum){
				
				if(permut >= currnum && permut <= large){
					
					count++;
				}
				lastDigit = permut % 10;
				permut = permut / 10;
				permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
				
			}
			
		}
		
		return count;
	}
	
	public static void main(String args[]){
		RecycledNumbers d = new RecycledNumbers();
		
		int no_of_cases = 0;
		String input = "";
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		try{
			no_of_cases = Integer.parseInt(br.readLine());
		}
		catch(Exception e){
			System.out.println("First line is not a number");
		}
		
		for(int i=1; i <= no_of_cases;i++){
			try{
				input = br.readLine();
			}
			catch(Exception e){
				System.out.println("Number of test cases different from the number mentioned in first line");
			}
			
			System.out.print("Case #" +i+": ");
			
			StringTokenizer t =  new StringTokenizer(input);
			int small=0,large=0;
			if(t.hasMoreTokens()){
				small = Integer.parseInt(t.nextToken());
			}
			if(t.hasMoreTokens()){
				large = Integer.parseInt(t.nextToken());
			}
			System.out.println(d.getcount(small,large));
			
		}
		
		
		

	}
	
	
}
package compete;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.StringTokenizer;
import java.util.TreeSet;

public class C {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("C-small-attempt0.in"));
		FileWriter fw = new FileWriter("A-small.out");
		int N = new Integer(in.readLine());
		for (int cases = 1; cases <= N; cases++) {
			StringTokenizer st = new StringTokenizer(in.readLine());
			int A = new Integer(st.nextToken());
			int B = new Integer(st.nextToken());

			fw.write("Case #" + cases + ": " + nrecycled(A, B) + "\n");
		}
		fw.flush();
		fw.close();
	}

	private static int nrecycled(int a, int b) {
		int cpt = 0;
		for (int i = a; i < b; i++) {
			TreeSet<Integer> l = listRecycled(i);
			for(Integer x:l) {
				if ((i<x)&&(x<=b)) cpt++;
			}
		}
		return cpt;
	}

	private static TreeSet<Integer> listRecycled(int n) {
		TreeSet<Integer> l = new TreeSet<Integer>();
		int nbChiffres = Integer.toString(n).length();
		for(int i=1; i<nbChiffres; i++) {
			int expr = (int)Math.pow(10, i);
			int expl = (int)Math.pow(10, nbChiffres-i);
			int first = (n % expr) / (int)Math.pow(10, i-1);
			if (first!=0) {
				int nrotate = (n % expr)*expl + (n/expr);
				l.add(new Integer(nrotate));
			}
		}
		return l;
	}

}
