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.util.*;
public class CodeJamC {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		int A,B,tc;
		Scanner sc= new Scanner(System.in);
		tc=sc.nextInt();
		for(int TC=1; TC<=tc; TC++){
		A=sc.nextInt();
		B=sc.nextInt();
		int suma=0;
		Integer Ai= new Integer(A);
		String sA=Ai.toString();
		String rigth;
		String aux;
		Integer n;
		for(int i=A; i<=B; i++){
			
			Integer si= new Integer(i);
			String Ssi=si.toString();			
			for(int j=1; j<Ssi.length(); j++){				
				rigth=Ssi.substring(j);		
				aux= rigth + Ssi;				
				n=Integer.valueOf(aux.substring(0,Ssi.length()));				
				if (n<=B && n>=A && si<n){
					//System.out.println("( " + si + " , " + n + ")");
					suma++;
				}
			}				
		}
		System.out.println("Case #"+TC+": "+suma);
		}

	}

}
