import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;

public class Recycled {
    public static void main(String[] args) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            int t = Integer.parseInt(br.readLine());
            for (int i = 0; i < t; i++) {
                String[] str = br.readLine().split(" ");
                int a = Integer.parseInt(str[0]);
                int b = Integer.parseInt(str[1]);
                System.out.println("Case #" + (i + 1) + ": " + find(a, b));
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static int find(int a, int b) {
        HashSet<Long> used = new HashSet<Long>();
        int digits = String.valueOf(a).length();
        if (digits == 1) return 0;
        for (int i = a; i <= b; i++) {
            int s = 10;
            int m = (int) Math.pow(10, digits-1);
            for (int j = 0; j < digits-1; j++) {
                int r = i % s;
                if (r < s/10) continue;
                int q = i / s;
                int rn = r * m + q;
                s *= 10; m /= 10;
                if (i != rn && rn >= a && rn <= b) {
                    long pp;
                    if (rn < i) pp = (long)rn << 30 | i;
                    else pp = (long)i << 30 | rn;
                    if (!used.contains(pp)) {
                        used.add(pp);
                    }
                }
            }
        }
        return used.size();
    }
}

package phase1.problemC;

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		RecycledNumbers s = new RecycledNumbers();
		try {
			s.doIt();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	private void doIt() throws Exception {
		Scanner s = new Scanner(new File("C:\\Andre\\GCJInputs\\fase1\\p3\\C-large.in"));
		int T = Integer.valueOf(s.nextLine());
        int cont=1;
		
        Writer out = new OutputStreamWriter(new FileOutputStream("C:\\Andre\\GCJInputs\\fase1\\p3\\C-large.out"));
        
        while (cont<=T) {
        	out.write("Case #"+cont+": ");
        	String[] values = s.nextLine().split(" ");
        	out.write(String.valueOf(calculate(values[0], values[1])));
        	out.write("\n");
        	cont++;
        }
        
        out.flush();
        out.close();
	}
	
	
	private int calculate(String A, String B) {
		int r = 0;
		
		String c = A;
		
		if (c.length()==1) {
			return r;
		}
		
		int cont = Integer.parseInt(c)-1;
		int fim = Integer.parseInt(B);
		
		while (cont++<fim) {
			String nc = String.valueOf(cont);
			
			if (numerosIguais(nc)) continue;
									
			r = r+gira(String.valueOf(cont), B);
		}
		
		return r;		 
	}
	
	private int gira(String n, String B) {
		int len = n.length()-1;
		int qd = 0;
		int d1 = Integer.parseInt(n.substring(0, 1));
		int resp = 0;
		
		String linha = "";
		Set<String> linhas = new HashSet<String>();
		
		while (qd++<len){
			int pd = Integer.parseInt(n.substring(qd, qd+1));
			String m = n.substring(qd)+n.substring(0,qd);
			if (m.length()!=len+1) continue;
			
			linha = linha+ n + ", " + m;
			if (pd<d1) continue;
						
			if (Integer.parseInt(m) > Integer.parseInt(B)) continue;
			if (Integer.parseInt(n) < Integer.parseInt(m)) {
				linhas.add(linha);
			}
			linha="";
		}
		
		resp=linhas.size();
		return resp;
	}
	
	private boolean numerosIguais(String s) {
		int cont=10;
		cont = cont + s.indexOf('0') + s.indexOf('1') + s.indexOf('2') + s.indexOf('3') + s.indexOf('4') + s.indexOf('5')
			+ s.indexOf('6') + s.indexOf('7') + s.indexOf('8') + s.indexOf('9');
				
		if (cont>2) return false;
		return true;
	}

}













