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.FileReader;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.StringTokenizer;


public class RecycledNumbers {
	
	public static void main(String[] args) throws Exception {
		int i,j,k;
		int A, B;
		int L;
		String first, second, secondNoLeadingZeros;
		int s;
		HashSet<Integer> hs = new HashSet<Integer>();
		
		BufferedReader br = new BufferedReader(new FileReader("C-small.in"));
		PrintWriter out = new PrintWriter("C-small.out");
		StringTokenizer st;
		
		int T = Integer.parseInt(br.readLine());
		int res;
		
		for (k=1;k<=T;k++) {
			st = new StringTokenizer(br.readLine());
			A = Integer.parseInt(st.nextToken());
			B = Integer.parseInt(st.nextToken());
			L = Integer.toString(A).length();
			res = 0;
			
			for (i=A;i<=B;i++) {
				
				first = Integer.toString(i);
				hs.clear();
				hs.add(i);
				
				for (j=1;j<L;j++) {
					second = first.substring(j)+first.substring(0, j);
					s = Integer.parseInt(second);
					secondNoLeadingZeros = Integer.toString(s);
					if (secondNoLeadingZeros.length() == L) {
						if (( s >= A)&&(s <= B)) {
							if (hs.contains(s) == false) {
								hs.add(s);
								res++;
							}
						}
					}
				}
					
			}
			
			res /= 2;
			out.println("Case #"+k+": "+res);
			
		}
		
		out.close();
		
	}

}
