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();
		}


	}

}

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.HashSet;
import java.util.Set;


public class ProblemB {

	public static void main(String[] args) {
		try {
			BufferedReader bufReader = new BufferedReader(new FileReader(args[0]));
		
			int numOfCases = Integer.parseInt(bufReader.readLine());
			int a, b;
			for (int i = 0; i < numOfCases; i++) { // should change 2 to numOfCases!!!
				Set<String> distinctRecycledPairs = new HashSet<String>();
				String line = bufReader.readLine();
				a = Integer.parseInt(line.substring(0, line.indexOf(' ')));
				b = Integer.parseInt(line.substring(line.indexOf(' ') + 1, line.length()));
				//System.out.println("A = " + a + " B = " + b);
				for (int j = a; j <= b; j++) {
					String n = "" + j;
					for (int k = 1; k < n.length(); k++) {
						String possibleM = n.substring(k) + n.substring(0, k);
						if (Integer.parseInt(possibleM) > Integer.parseInt(n)  && Integer.parseInt(possibleM) >= a && Integer.parseInt(possibleM) <= b) {
							// the pair (n,m) may repeat, so use a set
							// there should be a better way though
							distinctRecycledPairs.add(n + " " + possibleM);
						}
					}
				}
				System.out.println("Case #" + (i+1) + ": " + distinctRecycledPairs.size());
			}
			
			bufReader.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}
