import java.io.*;

class code1
{
	public static void main(String args[]) throws Exception 
	{
		File ii = new File ("C-small-attempt1.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("output.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		int total=0;
		for(int i=0;i<cases;i++){
		String temp = br.readLine();
		String parts [] = temp.split(" ");
		int lower = Integer.parseInt(parts[0]);
		int upper = Integer.parseInt(parts[1]);
		System.out.println(lower+" "+upper);
		
		for(int j=lower;j<=upper;j++)
		{
			int abc = j;int length=0;
			if(j<10)continue;
			while (abc!=0){abc/=10;length++;}
			abc=j;
			for(int m=0;m<length-1;m++){
				int shift = abc%10;
				abc=abc/10;
				System.out.println("hi "+j);
				abc=abc+shift*power(10,length-1);
				if(abc<=upper&&shift!=0&&abc>j)total++;
				System.out.println(total);
			}
		}
 		dout.writeBytes("Case #"+(i+1)+ ": "+total+"\n");
 		total=0;
		}//for close
		
	}

	private static int power(int i, int j) {
		int no=1;
		for(int a=0;a<j;a++){no=10*no;}
		return no;
	}
}
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.HashMap;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;

public class Recycle {

	public static void main(String[] args) throws FileNotFoundException {
		Scanner sc = new Scanner(new File("C-small-attempt1.in"));
		int t; // number of test cases
		int n = 1;
		int counter=0;
		int A, B;

		HashMap<Integer,Integer> map = new HashMap<Integer,Integer>();
		t = sc.nextInt();
		//System.out.println("Output");

		for (int i = 0; i < t; i++) {
			A = sc.nextInt();
			B = sc.nextInt();
			String aStr = String.valueOf(A);
			
			int len = aStr.length();
			for (int c = A; c < B+1; c++) {
				for (int k=1; k<len; k++){
					//System.out.println("Before: "+c);
					char[] ch = String.valueOf(c).toCharArray();
					shiftRight(ch,k);
					//System.out.println("Shifted: "+String.valueOf(ch));
					int d = Integer.parseInt(String.valueOf(ch));
					
					if (c<d && d<B+1) {	
						if(map.containsKey(c)){
							if(map.get(c)!=d) {
								//System.out.println("--------------------------------Success!");
								counter++;	
								//System.out.println(counter+": Before: "+c+" After: "+d);
								map.put(c, d);
							}
						}
						else {
							//System.out.println("--------------------------------Success!");
							counter++;	
							//System.out.println(counter+": Before: "+c+" After: "+d);
							map.put(c, d);
						}
							
					}
				}

			}
			System.out.printf("Case #%d: %s\n", n++, counter);
			counter = 0;
			map = new HashMap<Integer,Integer>();
		}

	}

	public static char[] shiftLeft(char[] array, int amount) {
		for (int j = 0; j < amount; j++) {
			char a = array[0];
			int i;
			for (i = 0; i < array.length - 1; i++)
				array[i] = array[i + 1];
			array[i] = a;
		}
		return array;
	}

	public static char[] shiftRight(char[] array, int amount) {
		for (int j = 0; j < amount; j++) {
			char a = array[array.length - 1];
			int i;
			for (i = array.length - 1; i > 0; i--)
				array[i] = array[i - 1];
			array[i] = a;
		}
		return array;
	}
}
