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 qualification;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Collection;
import java.util.HashSet;
import java.util.Scanner;

public class RecycledNumber {
	public static void main(String[] args) throws IOException {
		String inputFile = "C-large.in";
		Scanner input = new Scanner(new FileInputStream(inputFile));

		FileOutputStream out = new FileOutputStream(inputFile + ".out", false);
		slove(input, out);
		out.close();
	}
	
	private static void slove(Scanner input, FileOutputStream out) throws IOException
	{
		int cases = input.nextInt();
		for (int caseOrder = 1; caseOrder <= cases; caseOrder++) {
			int a = input.nextInt();
			int b = input.nextInt();
			
			long r = 0;
			for (int i = a; i <= b; i++) {
				for (int x: getRecycled(i)) {
					if (x >= a && x <= b && i < x && x > 0) {
						// System.out.printf("(%d, %d)\n", i, x);
						r++;
					}
				}
			}
			
			String outline = String.format("Case #%d: %d\r\n",  caseOrder, r);
			System.out.print(outline);
			out.write(outline.getBytes());
		}
	}
	
	private static Collection<Integer> getRecycled(int a)
	{
		String s = Integer.toString(a);
		HashSet<Integer> ret = new HashSet<Integer>();
		for (int i = 1; i < s.length(); i++) {
			String s2 = s.substring(i) + s.substring(0, i);
			if (!s2.startsWith("0")) {
				ret.add(Integer.parseInt(s2));	
			}
		}
		return ret;
	}
}
