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


public class RecycledNumbers {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
	String fileName = args[0];
		
		try {
			BufferedReader br = new BufferedReader(new FileReader(fileName));
			BufferedWriter bw = new BufferedWriter(new FileWriter("numbers.out"));
			
			String T = br.readLine();
			//System.out.println(T);
			int numT = Integer.parseInt(T);
			
			
			int countReturn = 0;
			String returnLine;
			String line;
			String[] input;
			int n;
			int m;
			String temp;
			String leading;
			
			for(int i=1; i<=numT; i++){
				line = br.readLine();
				input = line.split(" ");
				n = Integer.parseInt(input[0]);
				m = Integer.parseInt(input[1]);
				//System.out.println("START " + n + " to " + m);
				
				for(int j=n; j<m; j++){
					temp = String.valueOf(j);
					//System.out.println("Begin " + temp);

					//System.out.print(temp + " ");
					for(int k=0; k<temp.length(); k++){
						leading = temp.substring(0, 1);
						temp = temp.substring(1, temp.length());
						temp = temp.concat(leading);
						
						//System.out.println(temp);
						
						int check = Integer.parseInt(temp);
						
						if(check <= m && check > j) {
							//System.out.println(j + " " + check);
							countReturn++;
						}
						
					}
					
				}
				
				//System.out.println(countReturn);
				
				returnLine = "Case #"+i+": "+countReturn;
				System.out.println(returnLine);
				bw.write(returnLine,0,returnLine.length());
				bw.flush();
				bw.newLine();
				countReturn = 0;
			}
			
			
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}
