import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class CopyOfCopyOfMain {

	static int ndigits(int n) {
		return (int) (Math.log10(n) + 1);
	}

	static int rot(int n, int dig) {
		return (int) ((n % 10) * Math.pow(10, dig - 1)) + (int) (n / 10);
	}

	public static void main(String[] args) throws FileNotFoundException {
		String file = "C-large";
		Scanner in = new Scanner(new File(file + ".in"));
		PrintWriter out = new PrintWriter(new File(file + ".out"));

		int T = in.nextInt();
		for (int t = 1; t <= T; t++) {
			int A = in.nextInt();
			int B = in.nextInt();

			int c = 0;
			int[] list = new int[ndigits(B)];
			numbers: for (int i = A; i <= B; i++) {
				int digs = ndigits(i);
				int rot = i;
				int pairs = 0;

				Arrays.fill(list, -1);
				list[0] = i;

				digits: for (int j = 1; j <= digs + 1; j++) {

					rot = rot(rot, digs);
					if(rot < i)
						continue;

					if (A <= rot && rot <= B) {
						for (int k = 0; k < j; k++) {
							if (list[k] == rot) {
								continue digits;
							}
						}
						pairs++;
						list[j] = rot;
					}
				}

				//c += pairs * (pairs + 1) / 2;
				c += pairs ;
				// c+=digs;
			}
			out.println("Case #" + t + ": " + c);
		}

		in.close();
		out.close();
	}
}

package qualification;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class c {

	public static void main(String[] args){
		if(args.length<1){
			System.out.println("Usage: <fnIn>");
		}
		String fn = args[0];
		String fnOut = toFnOut(fn);
		try{
			BufferedReader br = new BufferedReader(new FileReader(fn));
			BufferedWriter bw = new BufferedWriter(new FileWriter(fnOut));
			int NCase = Integer.valueOf(br.readLine().trim());
			long stime = System.currentTimeMillis();
			for(int icase=0;icase<NCase;icase++){
				String[] a =  br.readLine().trim().split("\\s+");
				int result = process(a[0],a[1]);
				String out = "Case #"+(icase+1)+": "+result;
				bw.write(out,0,out.length());
				bw.newLine();
				long ctime = System.currentTimeMillis();
				System.out.println(String.format("--- Done: #%2d,%3.0fs, ends in:%2.1fm",(icase+1),(ctime-stime)*0.001,(ctime-stime)*0.001/60*NCase/(icase+1)));
			}
			br.close();
			bw.close();
		}catch(IOException ex){
			System.out.println(ex);
		}
	}
	static int process(String X, String Y){
		int xlenght = X.length();
		int ylength = Y.length();
		if( xlenght == 1 && ylength == 1 ) return 0;
		
		int x = Integer.valueOf(X);
		int y = Integer.valueOf(Y);
		String K = X;
		int k = x;
		int result = 0;
		while(k>=x && k<=y ){
			int klength = K.length();
			if(klength ==1) k++;
			else{ 
				for(int r = 1;r<klength;r++){
					int newk = Integer.valueOf(K.substring(r)+K.substring(0, r));
					if(newk==k) break;
					if(newk>=x && newk>k && newk<=y ){
						result++;
					}
				}
				k++;
			}
		
		K = Integer.toString(k);	
		}
		
		return result;
	}

	
	static String toFnOut(String fn){
		if(fn.lastIndexOf('.')!=-1){
			return fn.substring(0,fn.lastIndexOf('.'))+".out";
		}else return fn + ".out";
	}
}
