import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

package qualificationRound;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;

public class Q3Recycled {

	/**
	 * @param args
	 * @throws FileNotFoundException 
	 */
	public static void main(String[] args) throws FileNotFoundException {
		Scanner sc = new Scanner(new File("qualificationRound/C-large.in"));
		PrintWriter out = new PrintWriter(new File("qualificationRound/out.txt"));

		int T = sc.nextInt();
		sc.nextLine();

		for (int tc = 1; tc <= T; tc++) {
			out.print("Case #"+tc+": ");
			System.out.print("Case #"+tc+": ");
			
			int A = sc.nextInt();
			int B = sc.nextInt();
			int count = 0;
			for (int n = A; n <= B; n++) {
				if (n >= 10) { // must be two digits at least
					String s = ""+n;

					/*boolean same = true;
					for (int j=1; j<s.length(); j++) {
						if (s.charAt(0) != s.charAt(j)) {
							same = false;
							break;
						}
					}
					if (!same) { // can't be a number like 88888
						if (s.length()%2 == 0 && s.substring(0,s.length()/2).equals(s.substring(s.length()/2,s.length()))) // if repeated sequence
							count += s.length()/2-1;
						else
							count += s.length()-1;
					} */

					String[] s2 = getStrings(s);
					for (int i=0; i<s2.length; i++) {
						try {
							int m = Integer.parseInt(s2[i]);
							if (n<m && m<=B)
								count++;
						} catch (Exception e) {
							break; // no more candidates
						}
					}
				}
			}
			out.println(count);
			System.out.println(count);
			out.flush();
		}
		out.close();
	}

	public static String[] getStrings(String s) {
		String[] out = new String[s.length()-1];
		for (int i=0; i<out.length; i++) {
			int split = s.length()-i;
			String newString = s.substring(split-1,s.length())+s.substring(0,split-1);
			boolean isnew = true;
			for (int j=0; j<i; j++)
				if (out[j].equals(newString)) {
					isnew = false;
					break;
				}
			if (isnew)
				out[i]=newString;
		}
		return out;
	}
}