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 codejam.qual_2012;

import java.io.File;
import java.io.PrintStream;
import java.util.Scanner;

public class MainC {
static boolean[] seen;
    public static void main(String[] args) throws Exception {

        String f = "/home/floris/dev/java/Test/src/codejam/qual_2012/C-large.in";
        Scanner sc = new Scanner(new File(f));
        System.setOut(new PrintStream(new File(f+".out")));
        int T = sc.nextInt();
        for (int i=1; T-- > 0; i++) {
            System.out.printf("Case #%d: %d%n", i, solve(sc.nextInt(), sc.nextInt()));
        }
    }
    
    private static long solve(int A, int B) {
        long result = 0;
        int pos = 1;
        int t = A/10;
        while (t != 0) {t/=10; pos++;}
        int cutoff = 1;
        for (int i = 1; i < pos; i++) cutoff *=10;
        seen = new boolean[cutoff*10];
        fillSeen();
        
        for (int i = A; i<=B; i++) {
            if (seen[i]) continue;
            result += roll(A, B, i, pos, cutoff);
        }
        return result;

    }
    
    private static long roll(int A, int B, int v, int pos, int cutoff)
    {
        pos--; pos--;
        int result = 0;
        if (A<=v && v <= B) result++;
        seen[v] = true;
        int n = (v%cutoff)* 10 + v/cutoff;
        
        switch (pos) {
            case 6: 
                if (!seen[n ]&& A<=n && n <= B) result++;
                seen[n] = true; n = (n%cutoff)* 10 + n/cutoff;
            case 5: 
                if (!seen[n ]&& A<=n && n <= B) result++;
                seen[n] = true; n = (n%cutoff)* 10 + n/cutoff;
            case 4: 
                if (!seen[n ]&& A<=n && n <= B) result++;
                seen[n] = true; n = (n%cutoff)* 10 + n/cutoff;
            case 3: 
                if (!seen[n ]&& A<=n && n <= B) result++;
                seen[n] = true; n = (n%cutoff)* 10 + n/cutoff;
            case 2: 
                if (!seen[n ]&& A<=n && n <= B) result++;
                seen[n] = true; n = (n%cutoff)* 10 + n/cutoff;
            case 1: 
                if (!seen[n ]&& A<=n && n <= B) result++;
                seen[n] = true; n = (n%cutoff)* 10 + n/cutoff;
            case 0: 
                if (!seen[n ]&& A<=n && n <= B) result++;
                seen[n] = true; 
        }
        return ((long)result)*(result-1)/2;
    }

    private static boolean allDigitsSame(int c) {
        int d = c%10;
        c /= 10;
        while (c != 0) {
            if (c%10 != d) return false;
            c /= 10;
        }
        return true;
    }
    
    private static void fillSeen() {
        seen[0] = true;
        for (int i = 1; i < 10; i++) {
            int j = i;
            while (j < seen.length) {
                seen[j]=true;
                j = j * 10 + i;
            }
        }
    }
}
