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 inam.qual;

import java.io.File;
import java.io.FileInputStream;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class C {
    public void go() {
        Scanner in = new Scanner(System.in);
        int cc = in.nextInt();
        for (int c = 1; c <= cc; c++) {
            int val = 0;
            int a = in.nextInt();
            int b = in.nextInt();
            Set<String> set = new HashSet<String>();
            for (int i = a; i <= b; i++) {
                String str = String.valueOf(i);
                for (int j = 1; j < str.length(); j++) {
                    String re = str.substring(j, str.length()) + str.substring(0, j);
                    if (str.equals(re) || re.startsWith("0") || Integer.parseInt(re) > b || a > Integer.parseInt(re)) {
                        continue;
                    }
                    String key = "";
                    if (Integer.parseInt(str) < Integer.parseInt(re)) {
                        key = str + " " + re;
                    } else {
                        key = re + " " + str;
                    }
                    set.add(key);
                }
            }
            val = set.size();
            System.out.println("Case #" + c + ": " + val);
        }
    }
    public static void main(String[] args) {
        try {
            String p = "C-large";
            String r = "qual";
            System.setIn(new FileInputStream(new File(r, p + ".in")));
            if (1 == 1) {
                System.setOut(new PrintStream(new File(r, p + ".out")));
            }
            new C().go();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
