import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

package com.vlad;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class C {
    public static void main(String[] args) throws IOException {
        Scanner scanner = new Scanner(new File(args[0]));
        FileWriter writer = new FileWriter("c-out.txt");
        int T = scanner.nextInt();
        for(int i=0;i<T;i++) {
            int A = scanner.nextInt();
            int B = scanner.nextInt();
            if(i>0) writer.append("\n");
            int s1 = solve(A,B);
            //int s2 = solveAlt(A,B);
            //if(s1!=s2) System.out.println("$$$ - " + i);
            writer.append("Case #"+(i+1)+": " + s1);
        }
        writer.flush();
    }

    private static int solveAlt(int A, int B) {
        Set<String> used = new HashSet<String>();
        int res = 0;
        for(int i=A;i<B;i++) {
            int len = getLen(i);
            used.clear();
            String m = i+"";
            for(int j=1;j<len;j++) {
                String pp = m.substring(j) + m.substring(0,j);
                int p = Integer.parseInt(pp);
                // TODO <=B
                if(p>i && p<=B) {
                    if(used.contains(pp)) continue;
                    used.add(pp);
                    res++;
                }
            }
        }
        return res;
    }

    private static int solve(int A, int B) {
        Set<Integer> used = new HashSet<Integer>();
        int res = 0;
        for(int i=A;i<B;i++) {
            int len = getLen(i);
            used.clear();
            for(int j=1;j<len;j++) {
                int p = getShifted(i, j, len);
                if(p>i && p<=B) {
                    if(used.contains(p)) continue;
                    used.add(p);
                    res++;
                }
            }
        }
        return res;
    }

    private static int getShifted(int i, int j, int len) {
        int v = (int)Math.pow(10,j);
        int x = (int)Math.pow(10,len-j);
        return i/v + i%v*x;
    }

    private static int getLen(int i) {
        int len = 1;
        int val = 10;
        while (i>val-1) {
            len++;
            val*=10;
        }
        return len;
    }
}
